./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound20.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-ca4ee3d-m [2024-09-20 20:11:13,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:13,761 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:13,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:13,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:13,784 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:13,785 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:13,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:13,785 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:13,788 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:13,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:13,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:13,788 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:13,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:13,789 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:13,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:13,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:13,789 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:13,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:13,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:13,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:13,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:13,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:13,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:13,791 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:13,791 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:13,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:13,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:13,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:13,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:13,791 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:13,791 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:13,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:13,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:13,792 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:13,792 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:13,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:13,792 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:13,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:13,792 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:13,792 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:13,793 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:13,793 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:13,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:13,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:14,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:14,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:14,008 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:14,009 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:14,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound20.yml/witness-2.1.yml [2024-09-20 20:11:14,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:14,051 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:14,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2024-09-20 20:11:15,246 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:15,371 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:15,371 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound20.c [2024-09-20 20:11:15,376 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1d4f7a079/5d401c34955740588ec59c64738fec54/FLAG4e3c90d53 [2024-09-20 20:11:15,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1d4f7a079/5d401c34955740588ec59c64738fec54 [2024-09-20 20:11:15,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:15,802 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:15,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:15,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:15,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:15,809 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 08:11:14" (1/2) ... [2024-09-20 20:11:15,809 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1259f9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:15, skipping insertion in model container [2024-09-20 20:11:15,811 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 08:11:14" (1/2) ... [2024-09-20 20:11:15,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2099d969 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:15, skipping insertion in model container [2024-09-20 20:11:15,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:15" (2/2) ... [2024-09-20 20:11:15,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1259f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:15, skipping insertion in model container [2024-09-20 20:11:15,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:15" (2/2) ... [2024-09-20 20:11:15,819 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:15,820 INFO L1541 ArrayList]: Loop invariant at [L44-L56] ((((d == p) && (1 <= p)) && (((long long) A + d) == (((long long) q + p) + r))) && (B == 1)) [2024-09-20 20:11:15,822 INFO L1541 ArrayList]: Loop invariant at [L34-L42] ((((((((A == r) && (p == 2)) && (d == 2)) && (q == 0)) && (B == 1)) || (((((((A == r) && (((long long) A + d) == ((long long) p + r))) && ((d / 2) <= r)) && ((d % 2) == 0)) && (q == 0)) && (B == 1)) && (4 <= (d / 2)))) || ((((((A == r) && (d == 4)) && (2 <= r)) && (q == 0)) && (B == 1)) && (p == 4))) || (((((A == r) && (d == 1)) && (q == 0)) && (B == 1)) && (p == 1))) [2024-09-20 20:11:15,822 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 20:11:15,845 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:15,960 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_valuebound20.c[526,539] [2024-09-20 20:11:15,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:15,992 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:11:16,022 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_valuebound20.c[526,539] Start Parsing Local Start Parsing Local [2024-09-20 20:11:16,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:16,043 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:16,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16 WrapperNode [2024-09-20 20:11:16,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:16,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:16,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:16,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:16,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (1/1) ... [2024-09-20 20:11:16,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (1/1) ... [2024-09-20 20:11:16,063 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (1/1) ... [2024-09-20 20:11:16,074 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 20:11:16,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (1/1) ... [2024-09-20 20:11:16,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (1/1) ... [2024-09-20 20:11:16,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (1/1) ... [2024-09-20 20:11:16,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (1/1) ... [2024-09-20 20:11:16,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (1/1) ... [2024-09-20 20:11:16,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (1/1) ... [2024-09-20 20:11:16,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:16,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:16,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:16,097 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:16,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (1/1) ... [2024-09-20 20:11:16,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:16,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:16,125 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 20:11:16,127 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 20:11:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:16,159 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:11:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:16,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:16,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:16,219 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:16,220 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:16,378 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:16,391 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:16,413 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:16,414 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:11:16,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:16 BoogieIcfgContainer [2024-09-20 20:11:16,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:16,415 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:16,415 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:16,415 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:16,416 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 08:11:14" (1/4) ... [2024-09-20 20:11:16,417 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a96d653 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:16, skipping insertion in model container [2024-09-20 20:11:16,417 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:15" (2/4) ... [2024-09-20 20:11:16,417 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a96d653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:16, skipping insertion in model container [2024-09-20 20:11:16,417 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:16" (3/4) ... [2024-09-20 20:11:16,417 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a96d653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:16, skipping insertion in model container [2024-09-20 20:11:16,417 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:16" (4/4) ... [2024-09-20 20:11:16,418 INFO L79 RefereeObserver]: Analyzing ICFG hard2_valuebound20.c [2024-09-20 20:11:16,421 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:11:16,422 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:11:16,422 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 20:11:16,422 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 20:11:16,422 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:16,422 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:11:16,423 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:16,423 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:11:16,423 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:16,423 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:16,423 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:16,424 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 20:11:16,424 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 20:11:16,424 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:16,424 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:11:16,467 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:16,468 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,468 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,470 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,507 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:16,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,508 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,509 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,509 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,520 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,536 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:16,553 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 20:11:16,553 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,553 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,553 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,553 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,572 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-20 20:11:16,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,573 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,573 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,573 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,576 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,580 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:16,597 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 20:11:16,597 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,597 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,612 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-20 20:11:16,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,613 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,613 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,613 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,615 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,619 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:16,632 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:16,632 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,632 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,632 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,633 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,641 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:16,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,641 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,641 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,641 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,642 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,644 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:16,654 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:16,656 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,656 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,656 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,657 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,664 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:16,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,668 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,670 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:16,679 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:16,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,680 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,681 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:16,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,682 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,682 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,684 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:16,696 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:16,697 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,697 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,701 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:16,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,702 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,702 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,703 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,703 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,708 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:16,718 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:16,718 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,719 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,719 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,733 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:16,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,736 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,736 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,736 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,736 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,741 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:16,747 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:16,748 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,748 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,748 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,748 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,751 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:16,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,751 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,751 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,751 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,752 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:16,760 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:16,760 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,760 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,760 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,760 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,763 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:16,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,765 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:16,771 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:16,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,778 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:16,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,781 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,781 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,782 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,783 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:16,790 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:16,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,790 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,791 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:16,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,792 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,794 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:16,802 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:16,802 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:16,802 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:16,802 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:16,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:16,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,810 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:16,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:16,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:16,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:16,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:16,810 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:16,815 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:16,818 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:11:16,818 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a96d653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:16, skipping insertion in model container [2024-09-20 20:11:16,818 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:16,820 INFO L158 Benchmark]: Toolchain (without parser) took 1016.30ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 58.8MB in the end (delta: 72.1MB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2024-09-20 20:11:16,820 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 104.9MB. Free memory was 75.9MB in the beginning and 75.7MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:16,820 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:16,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.32ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 116.9MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:16,821 INFO L158 Benchmark]: Boogie Preprocessor took 51.75ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:16,821 INFO L158 Benchmark]: RCFGBuilder took 318.05ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 126.5MB in the end (delta: -11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 20:11:16,822 INFO L158 Benchmark]: Referee took 403.30ms. Allocated memory is still 165.7MB. Free memory was 126.5MB in the beginning and 58.8MB in the end (delta: 67.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:16,826 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 44 to check that procedure precondition always holds at line 45. 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 loop head at line 34 to loop head at line 34. 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 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 check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 44. 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 check that procedure precondition always holds at line 35. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 104.9MB. Free memory was 75.9MB in the beginning and 75.7MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 104.9MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.32ms. Allocated memory is still 165.7MB. Free memory was 130.9MB in the beginning and 116.9MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.75ms. Allocated memory is still 165.7MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 318.05ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 126.5MB in the end (delta: -11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 403.30ms. Allocated memory is still 165.7MB. Free memory was 126.5MB in the beginning and 58.8MB in the end (delta: 67.8MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:11:16,849 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE