./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/egcd-ll.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/egcd-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:01,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:01,647 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:01,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:01,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:01,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:01,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:01,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:01,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:01,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:01,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:01,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:01,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:01,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:01,688 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:01,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:01,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:01,689 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:01,689 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:01,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:01,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:01,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:01,690 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:01,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:01,693 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:01,693 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:01,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:01,694 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:01,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:01,695 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:01,695 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:01,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:01,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:01,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:01,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:01,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:01,696 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:01,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:01,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:01,698 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:01,698 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:01,698 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:01,699 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:01,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:01,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:01,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:01,988 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:01,989 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:01,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml [2024-09-11 20:48:02,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:02,085 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:02,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-11 20:48:03,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:03,689 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:03,689 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-11 20:48:03,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ea33d4205/54613ab47849437491b01426bd07d165/FLAG3db1306e3 [2024-09-11 20:48:03,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ea33d4205/54613ab47849437491b01426bd07d165 [2024-09-11 20:48:03,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:03,711 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:03,712 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:03,712 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:03,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:03,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:02" (1/2) ... [2024-09-11 20:48:03,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2daee28e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:03, skipping insertion in model container [2024-09-11 20:48:03,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:02" (1/2) ... [2024-09-11 20:48:03,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@390d048a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:03, skipping insertion in model container [2024-09-11 20:48:03,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:03" (2/2) ... [2024-09-11 20:48:03,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2daee28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:03, skipping insertion in model container [2024-09-11 20:48:03,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:03" (2/2) ... [2024-09-11 20:48:03,727 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:03,729 INFO L1541 ArrayList]: Loop invariant at [L33-L50] (((((((__int128) p * s) == (((__int128) q * r) + 1)) && (1 <= y)) && ((((__int128) s * y) + ((__int128) q * x)) == b)) && (1 <= x)) && ((((__int128) r * y) + ((__int128) p * x)) == a)) [2024-09-11 20:48:03,729 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:03,729 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:03,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:03,904 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c[489,502] [2024-09-11 20:48:03,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:03,945 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:04,001 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c[489,502] Start Parsing Local [2024-09-11 20:48:04,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:04,029 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:04,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04 WrapperNode [2024-09-11 20:48:04,030 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:04,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:04,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:04,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:04,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,078 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 [2024-09-11 20:48:04,078 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,078 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,085 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,096 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,097 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:04,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:04,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:04,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:04,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (1/1) ... [2024-09-11 20:48:04,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:04,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:04,140 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) [2024-09-11 20:48:04,142 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 [2024-09-11 20:48:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:04,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:04,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:04,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:04,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:04,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:04,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:04,266 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:04,268 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:04,434 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:04,488 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:04,489 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:04,509 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:04,510 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:04,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:04 BoogieIcfgContainer [2024-09-11 20:48:04,510 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:04,511 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:04,511 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:04,512 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:04,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:02" (1/4) ... [2024-09-11 20:48:04,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72f01530 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,512 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:03" (2/4) ... [2024-09-11 20:48:04,512 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72f01530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,513 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:04" (3/4) ... [2024-09-11 20:48:04,513 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72f01530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:04, skipping insertion in model container [2024-09-11 20:48:04,513 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:04" (4/4) ... [2024-09-11 20:48:04,514 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-11 20:48:04,517 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:04,518 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:04,518 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:04,518 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:48:04,518 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:48:04,518 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:04,518 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:04,518 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:04,519 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:48:04,519 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:48:04,519 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:04,519 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:04,519 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:04,519 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-11 20:48:04,570 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:04,571 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,572 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,573 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,574 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,585 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:04,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,586 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:04,586 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:04,587 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:04,589 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:04,604 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:04,627 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:04,627 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,627 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,627 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,628 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,637 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:04,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,637 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:04,638 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:04,638 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:04,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:04,640 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:04,670 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:48:04,671 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,671 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,671 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,671 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,697 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-11 20:48:04,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,698 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:04,698 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:04,698 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:04,702 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:04,709 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:04,733 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:48:04,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,734 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,753 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:48:04,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,753 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:04,754 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:04,754 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:04,756 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:04,760 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:04,778 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:04,779 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,780 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,780 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,794 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:04,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,795 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:04,796 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:04,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:04,796 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:04,800 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:04,818 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:48:04,819 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,820 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,820 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,820 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,850 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-11 20:48:04,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,850 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:04,851 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:04,851 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:04,856 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:04,862 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:04,875 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:04,876 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,876 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,876 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,876 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,880 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:04,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:04,881 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:04,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:04,882 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:04,884 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:04,898 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:48:04,898 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,898 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,899 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,899 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,920 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:48:04,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:04,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:04,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:04,929 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:04,931 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:04,943 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:48:04,943 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,943 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,944 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,944 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,961 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:48:04,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,963 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:04,963 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:04,963 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:04,966 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:04,968 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:04,980 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:04,980 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,980 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,984 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:04,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:04,984 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:04,985 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:04,985 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:04,985 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:04,988 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:04,997 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:04,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:04,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:04,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:04,998 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:04,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,000 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:05,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,000 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,001 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,001 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,001 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,003 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:05,013 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:05,014 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:05,014 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:05,014 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:05,015 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:05,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,021 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:05,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:05,022 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:05,022 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:05,022 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:05,022 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:05,025 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:05,029 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:05,030 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72f01530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,031 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:05,032 INFO L158 Benchmark]: Toolchain (without parser) took 1320.70ms. Allocated memory is still 190.8MB. Free memory was 119.4MB in the beginning and 74.7MB in the end (delta: 44.8MB). Peak memory consumption was 43.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,033 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:05,033 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 190.8MB. Free memory is still 166.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:05,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.23ms. Allocated memory is still 190.8MB. Free memory was 119.3MB in the beginning and 161.4MB in the end (delta: -42.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,034 INFO L158 Benchmark]: Boogie Preprocessor took 71.38ms. Allocated memory is still 190.8MB. Free memory was 161.4MB in the beginning and 160.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:05,035 INFO L158 Benchmark]: RCFGBuilder took 407.72ms. Allocated memory is still 190.8MB. Free memory was 159.3MB in the beginning and 143.2MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,036 INFO L158 Benchmark]: Referee took 519.69ms. Allocated memory is still 190.8MB. Free memory was 143.2MB in the beginning and 74.7MB in the end (delta: 68.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-09-11 20:48:05,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 54. 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 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 53. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.91ms. Allocated memory is still 190.8MB. Free memory is still 166.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.23ms. Allocated memory is still 190.8MB. Free memory was 119.3MB in the beginning and 161.4MB in the end (delta: -42.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.38ms. Allocated memory is still 190.8MB. Free memory was 161.4MB in the beginning and 160.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.72ms. Allocated memory is still 190.8MB. Free memory was 159.3MB in the beginning and 143.2MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 519.69ms. Allocated memory is still 190.8MB. Free memory was 143.2MB in the beginning and 74.7MB in the end (delta: 68.6MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:05,071 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/egcd-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:07,301 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:07,376 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:07,381 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:07,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:07,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:07,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:07,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:07,415 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:07,418 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:07,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:07,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:07,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:07,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:07,420 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:07,420 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:07,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:07,421 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:07,421 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:07,421 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:07,424 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:07,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:07,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:07,425 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:07,426 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:07,426 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:07,426 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:07,426 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:07,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:07,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:07,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:07,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:07,429 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:07,429 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:07,429 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:07,429 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:07,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:07,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:07,431 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:07,431 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:07,431 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:07,431 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:07,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:07,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:07,432 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:07,432 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:07,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:07,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:07,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:07,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:07,804 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:07,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-11 20:48:09,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:09,506 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:09,506 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c [2024-09-11 20:48:09,516 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/10e79986a/6c340a88fc514a33a9ab6ea48f330ac3/FLAG318a494f0 [2024-09-11 20:48:09,532 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/10e79986a/6c340a88fc514a33a9ab6ea48f330ac3 [2024-09-11 20:48:09,535 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:09,536 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:09,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd-ll.yml/witness-2.1.yml [2024-09-11 20:48:09,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:09,594 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:09,596 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:09,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:09,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:09,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:09" (1/2) ... [2024-09-11 20:48:09,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c13e1b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:09, skipping insertion in model container [2024-09-11 20:48:09,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:09" (1/2) ... [2024-09-11 20:48:09,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e42111f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:09, skipping insertion in model container [2024-09-11 20:48:09,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:09" (2/2) ... [2024-09-11 20:48:09,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c13e1b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09, skipping insertion in model container [2024-09-11 20:48:09,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:09" (2/2) ... [2024-09-11 20:48:09,620 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:09,621 INFO L1541 ArrayList]: Loop invariant at [L33-L50] (((((((__int128) p * s) == (((__int128) q * r) + 1)) && (1 <= y)) && ((((__int128) s * y) + ((__int128) q * x)) == b)) && (1 <= x)) && ((((__int128) r * y) + ((__int128) p * x)) == a)) [2024-09-11 20:48:09,621 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:09,626 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:09,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:09,806 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c[489,502] [2024-09-11 20:48:09,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:09,851 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:09,889 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/egcd-ll.c[489,502] Start Parsing Local [2024-09-11 20:48:09,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:09,928 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:09,929 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09 WrapperNode [2024-09-11 20:48:09,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:09,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:09,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:09,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:09,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (1/1) ... [2024-09-11 20:48:09,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (1/1) ... [2024-09-11 20:48:09,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (1/1) ... [2024-09-11 20:48:09,966 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 [2024-09-11 20:48:09,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (1/1) ... [2024-09-11 20:48:09,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (1/1) ... [2024-09-11 20:48:09,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (1/1) ... [2024-09-11 20:48:09,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (1/1) ... [2024-09-11 20:48:09,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (1/1) ... [2024-09-11 20:48:09,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (1/1) ... [2024-09-11 20:48:09,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:09,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:09,987 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:09,987 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:09,988 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (1/1) ... [2024-09-11 20:48:09,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:10,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:10,017 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) [2024-09-11 20:48:10,019 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 [2024-09-11 20:48:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:10,065 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:10,145 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:10,149 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:20,488 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:20,626 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:20,626 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:20,655 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:20,657 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:20,658 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:20 BoogieIcfgContainer [2024-09-11 20:48:20,658 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:20,659 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:20,659 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:20,660 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:20,660 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:09" (1/4) ... [2024-09-11 20:48:20,660 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42e48f13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:20, skipping insertion in model container [2024-09-11 20:48:20,661 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:09" (2/4) ... [2024-09-11 20:48:20,661 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42e48f13 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:20, skipping insertion in model container [2024-09-11 20:48:20,661 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:09" (3/4) ... [2024-09-11 20:48:20,661 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42e48f13 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:20, skipping insertion in model container [2024-09-11 20:48:20,661 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:20" (4/4) ... [2024-09-11 20:48:20,663 INFO L79 RefereeObserver]: Analyzing ICFG egcd-ll.c [2024-09-11 20:48:20,670 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:20,671 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:20,671 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:20,672 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:48:20,672 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:48:20,674 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:20,674 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:20,674 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:20,674 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:48:20,675 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:48:20,675 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:20,675 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:20,675 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:20,675 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:48:20,731 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:20,732 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:20,733 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:20,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:20,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:20,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,745 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:20,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,746 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:20,747 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:20,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:20,750 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:20,770 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:20,807 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:20,807 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:20,808 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:20,808 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:20,808 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:20,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,818 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:20,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:20,819 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:20,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:20,819 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:25,175 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:25,341 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:48:25,345 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:25,345 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:25,346 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:25,346 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:25,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:25,399 INFO L101 BaseMinimizeStates]: Removed 28 edges and 9 locations by large block encoding [2024-09-11 20:48:25,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:25,400 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:25,400 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:25,400 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:25,407 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:29,801 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:29,962 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:48:29,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:29,963 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:29,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:29,963 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:29,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,985 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:48:29,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:29,986 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:29,986 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:29,986 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:29,990 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:34,365 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:34,513 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:34,513 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:34,514 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:34,514 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:34,514 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:34,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:34,525 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:34,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:34,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:34,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:34,526 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:34,526 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:34,531 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:34,543 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:48:34,544 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:34,545 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:34,545 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:34,545 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:34,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:34,583 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-11 20:48:34,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:34,583 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:34,583 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:34,584 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:34,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,662 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:39,958 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:39,958 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,958 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,958 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,959 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,962 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:39,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,962 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,963 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,963 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,963 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:44,126 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:44,250 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:48:44,250 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:44,250 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:44,250 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:44,251 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:44,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,262 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:48:44,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:44,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:44,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:44,265 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:44,268 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:44,283 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:48:44,283 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:44,283 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:44,283 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:44,283 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:44,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,302 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-11 20:48:44,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,303 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:44,303 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:44,304 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:44,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:46,947 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:47,086 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:47,086 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:47,086 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:47,086 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:47,086 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:47,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:47,088 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:47,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:47,089 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:47,089 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:47,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:47,089 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:47,091 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:47,099 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:47,100 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:47,100 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:47,100 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:47,100 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:47,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:47,101 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:47,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:47,101 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:47,101 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:47,101 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:47,101 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:47,103 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:47,111 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:47,111 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:47,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:47,111 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:47,111 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:47,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:47,121 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:47,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:47,121 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:47,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:47,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:47,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:51,607 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:51,735 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:48:51,735 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@42e48f13 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:51, skipping insertion in model container [2024-09-11 20:48:51,735 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:51,737 INFO L158 Benchmark]: Toolchain (without parser) took 42142.27ms. Allocated memory is still 73.4MB. Free memory was 36.7MB in the beginning and 47.4MB in the end (delta: -10.7MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:51,738 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:51,738 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:51,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.14ms. Allocated memory is still 73.4MB. Free memory was 36.5MB in the beginning and 40.3MB in the end (delta: -3.8MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:51,739 INFO L158 Benchmark]: Boogie Preprocessor took 56.17ms. Allocated memory is still 73.4MB. Free memory was 40.3MB in the beginning and 38.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:51,739 INFO L158 Benchmark]: RCFGBuilder took 10670.96ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 39.7MB in the end (delta: -1.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:51,739 INFO L158 Benchmark]: Referee took 31076.76ms. Allocated memory is still 73.4MB. Free memory was 39.7MB in the beginning and 47.4MB in the end (delta: -7.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:51,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 54. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. 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 12. 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 33 to check that procedure precondition always holds at line 53. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 73.4MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.14ms. Allocated memory is still 73.4MB. Free memory was 36.5MB in the beginning and 40.3MB in the end (delta: -3.8MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.17ms. Allocated memory is still 73.4MB. Free memory was 40.3MB in the beginning and 38.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10670.96ms. Allocated memory is still 73.4MB. Free memory was 38.0MB in the beginning and 39.7MB in the end (delta: -1.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Referee took 31076.76ms. Allocated memory is still 73.4MB. Free memory was 39.7MB in the beginning and 47.4MB in the end (delta: -7.7MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:51,953 WARN L435 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-09-11 20:48:51,964 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: UNKNOWN