./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound100.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound100.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound100.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound100.yml/output/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-27b4987-m [2024-09-21 19:09:19,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:09:19,680 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:09:19,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:09:19,686 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:09:19,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:09:19,713 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:09:19,713 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:09:19,714 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:09:19,715 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:09:19,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:09:19,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:09:19,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:09:19,716 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:09:19,716 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:09:19,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:09:19,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:09:19,719 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:09:19,719 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:09:19,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:09:19,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:09:19,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:09:19,723 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:09:19,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:09:19,724 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:09:19,724 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:09:19,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:09:19,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:09:19,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:09:19,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:09:19,725 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:09:19,725 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:09:19,725 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:09:19,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:19,725 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:09:19,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:09:19,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:09:19,726 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:09:19,726 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:09:19,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:09:19,728 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:09:19,729 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:09:19,729 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:09:19,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:09:19,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:09:20,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:09:20,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:09:20,016 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:09:20,016 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:09:20,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/egcd2-ll_valuebound100.yml/output/witness-2.1.yml [2024-09-21 19:09:20,134 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:09:20,134 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:09:20,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound100.c [2024-09-21 19:09:21,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:09:22,005 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:09:22,013 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound100.c [2024-09-21 19:09:22,028 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/956829ea3/74be4feb4ba54d4db35c3b9ffb1d40ff/FLAGcb63d6609 [2024-09-21 19:09:22,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/956829ea3/74be4feb4ba54d4db35c3b9ffb1d40ff [2024-09-21 19:09:22,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:09:22,064 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:09:22,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:22,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:09:22,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:09:22,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:09:20" (1/2) ... [2024-09-21 19:09:22,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7102e111 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:09:20" (1/2) ... [2024-09-21 19:09:22,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@259f1e37 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:22" (2/2) ... [2024-09-21 19:09:22,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7102e111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:22" (2/2) ... [2024-09-21 19:09:22,100 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:09:22,133 INFO L1541 ArrayList]: Loop invariant at [L41-L68] (k == (0LL) && p == (0LL) && q == (1LL) && r == (1LL) && s == (0LL)) || (c == (0LL) && k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) [2024-09-21 19:09:22,133 INFO L1541 ArrayList]: Loop invariant at [L47-L56] (k == (0LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) || (k == (1LL) && p == (1LL) && q == (0LL) && r == (0LL) && s == (1LL)) [2024-09-21 19:09:22,133 INFO L1541 ArrayList]: Function contract at [L7]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:22,133 INFO L1541 ArrayList]: Function contract at [L10]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:22,134 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:22,168 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:09:22,364 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/egcd2-ll_valuebound100.c[490,503] [2024-09-21 19:09:22,395 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:22,403 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:09:22,438 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/egcd2-ll_valuebound100.c[490,503] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 19:09:22,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:22,472 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:09:22,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22 WrapperNode [2024-09-21 19:09:22,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:22,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:09:22,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:09:22,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:09:22,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (1/1) ... [2024-09-21 19:09:22,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (1/1) ... [2024-09-21 19:09:22,492 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (1/1) ... [2024-09-21 19:09:22,505 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:09:22,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (1/1) ... [2024-09-21 19:09:22,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (1/1) ... [2024-09-21 19:09:22,514 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (1/1) ... [2024-09-21 19:09:22,520 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (1/1) ... [2024-09-21 19:09:22,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (1/1) ... [2024-09-21 19:09:22,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (1/1) ... [2024-09-21 19:09:22,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:09:22,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:09:22,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:09:22,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:09:22,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (1/1) ... [2024-09-21 19:09:22,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:22,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:09:22,564 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) [2024-09-21 19:09:22,573 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 [2024-09-21 19:09:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:09:22,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:09:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:09:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:09:22,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:09:22,615 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:09:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:09:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:09:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:09:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:09:22,673 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:09:22,675 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:09:22,692 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:22,722 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:22,880 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:22,914 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:09:22,968 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:09:22,968 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-21 19:09:22,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:09:22 BoogieIcfgContainer [2024-09-21 19:09:22,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:09:22,969 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:09:22,969 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:09:22,969 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:09:22,970 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:09:20" (1/4) ... [2024-09-21 19:09:22,970 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73e95679 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,970 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:09:22" (2/4) ... [2024-09-21 19:09:22,973 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73e95679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,974 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:22" (3/4) ... [2024-09-21 19:09:22,974 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73e95679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:09:22, skipping insertion in model container [2024-09-21 19:09:22,977 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:09:22" (4/4) ... [2024-09-21 19:09:22,978 INFO L79 RefereeObserver]: Analyzing ICFG egcd2-ll_valuebound100.c [2024-09-21 19:09:22,989 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 19:09:22,989 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:22,989 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr14ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:09:22,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr13REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:09:22,990 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:09:22,990 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:22,990 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 19:09:22,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-21 19:09:22,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 19:09:22,991 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 19:09:22,991 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:22,991 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:09:22,991 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:09:22,991 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:22,991 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:09:22,995 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:22,995 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:09:22,995 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr12REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:22,996 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:22,996 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:22,996 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:09:22,996 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:22,996 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, 7 loop-free subgraphs from loop head to error location, 10 loop-free subgraphs from procedure entry to error location [2024-09-21 19:09:23,096 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:09:23,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,101 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,125 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:09:23,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,131 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,131 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,140 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,165 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:23,202 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:09:23,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,235 INFO L101 BaseMinimizeStates]: Removed 22 edges and 6 locations by large block encoding [2024-09-21 19:09:23,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,236 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,236 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,237 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,238 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,245 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr14ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:23,275 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 19:09:23,277 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,277 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,277 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,277 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,288 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-21 19:09:23,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,292 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,292 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,292 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,293 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,295 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr13REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,317 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-21 19:09:23,323 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,323 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,324 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,339 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-21 19:09:23,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,339 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,339 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,339 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,341 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,356 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:23,358 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,358 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,358 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,358 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,361 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:23,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,364 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,364 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,366 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,380 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 19:09:23,381 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,381 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,393 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 19:09:23,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,396 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,402 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:09:23,417 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:09:23,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,437 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-21 19:09:23,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,440 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,443 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,470 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:23,470 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,471 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,475 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:23,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,475 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,476 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,476 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,476 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,492 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:09:23,492 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,492 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,493 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,493 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,499 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:09:23,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,500 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,521 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:23,524 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,524 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,524 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,524 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,526 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:23,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,527 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,527 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,527 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,527 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,529 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,536 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:09:23,537 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,537 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,537 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,542 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:09:23,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,542 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,542 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,542 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,542 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,544 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,552 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:09:23,552 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,552 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,552 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,552 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,553 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:09:23,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,555 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,556 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,563 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:09:23,563 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,563 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,566 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:09:23,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,566 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,566 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,568 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,575 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:23,575 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,575 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,575 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,575 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,576 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:23,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,577 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,577 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,577 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,579 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,587 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:09:23,587 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,587 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,587 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,587 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,590 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:09:23,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,590 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,590 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,590 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,592 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,600 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:23,600 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,600 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,600 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,601 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:23,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,601 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,601 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,601 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,601 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,603 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,609 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-21 19:09:23,609 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,609 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,609 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,609 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,610 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,613 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-21 19:09:23,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,615 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,617 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr12REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,624 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:09:23,624 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,625 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,625 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,627 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:09:23,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,627 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,627 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,628 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,628 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,629 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:23,635 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:09:23,635 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,635 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,635 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,636 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,638 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:09:23,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,639 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,639 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,639 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,640 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,645 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:09:23,645 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,646 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,646 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,646 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,647 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:09:23,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,648 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,648 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,648 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,648 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,657 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:09:23,657 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:23,658 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:23,658 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:23,658 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:23,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,662 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:09:23,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:23,662 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:23,662 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:23,662 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:23,662 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:23,664 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:23,675 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:09:23,675 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73e95679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:09:23, skipping insertion in model container [2024-09-21 19:09:23,675 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:09:23,679 INFO L158 Benchmark]: Toolchain (without parser) took 1612.01ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 93.3MB in the beginning and 107.8MB in the end (delta: -14.5MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2024-09-21 19:09:23,679 INFO L158 Benchmark]: Witness Parser took 0.55ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 120.4MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:23,680 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 167.8MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:23,680 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.06ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 93.1MB in the beginning and 206.4MB in the end (delta: -113.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-09-21 19:09:23,681 INFO L158 Benchmark]: Boogie Preprocessor took 51.70ms. Allocated memory is still 243.3MB. Free memory was 206.4MB in the beginning and 204.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:09:23,681 INFO L158 Benchmark]: RCFGBuilder took 442.33ms. Allocated memory is still 243.3MB. Free memory was 204.3MB in the beginning and 187.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:09:23,683 INFO L158 Benchmark]: Referee took 706.40ms. Allocated memory is still 243.3MB. Free memory was 187.5MB in the beginning and 107.8MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-09-21 19:09:23,689 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 41 to loop head at line 47. One counterexample starts in a=2, b=3, c=0, k=0, p=0, q=1, r=1, s=0 and ends in a=2, b=3, c=2, k=0, p=0, q=1, r=1, s=0. Annotation is not valid for all loop-free paths from loop head at line 47 to loop head at line 41. One counterexample starts in b=0, c=-1, k=1, p=1, q=0, r=0, s=1 and ends in a=0, b=-1, c=-1, k=1, p=0, q=1, r=1, s=-1, temp=0. Annotation is not valid for all loop-free paths from loop head at line 47 to loop head at line 47. One counterexample starts in b=0, c=0, k=1, p=1, q=0, r=0, s=1 and ends in b=0, c=0, k=2, p=1, q=0, r=0, s=1. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 41. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 38. 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 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 41 to check that procedure precondition always holds at line 71. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 41 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 22. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.55ms. Allocated memory is still 167.8MB. Free memory was 120.6MB in the beginning and 120.4MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 167.8MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 408.06ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 93.1MB in the beginning and 206.4MB in the end (delta: -113.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.70ms. Allocated memory is still 243.3MB. Free memory was 206.4MB in the beginning and 204.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 442.33ms. Allocated memory is still 243.3MB. Free memory was 204.3MB in the beginning and 187.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 706.40ms. Allocated memory is still 243.3MB. Free memory was 187.5MB in the beginning and 107.8MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:09:23,728 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE