./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:06:50,362 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:06:50,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:06:50,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:06:50,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:06:50,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:06:50,469 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:06:50,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:06:50,471 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:06:50,472 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:06:50,472 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:06:50,472 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:06:50,473 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:06:50,473 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:06:50,475 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:06:50,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:06:50,476 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:06:50,476 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:06:50,476 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:06:50,476 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:06:50,477 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:06:50,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:06:50,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:06:50,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:06:50,478 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:06:50,478 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:06:50,478 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:06:50,478 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:06:50,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:06:50,479 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:06:50,479 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:06:50,479 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:06:50,480 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:06:50,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:50,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:06:50,483 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:06:50,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:06:50,484 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:06:50,484 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:06:50,484 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:06:50,485 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:06:50,485 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:06:50,485 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:06:50,485 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:06:50,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:06:50,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:06:50,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:06:50,811 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:06:50,812 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:06:50,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound50.yml/witness-2.1.yml [2024-09-15 20:06:50,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:06:50,872 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:06:50,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2024-09-15 20:06:52,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:06:52,536 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:06:52,536 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c [2024-09-15 20:06:52,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5f060d286/33b55e974690453bb30f4ad300d0b28d/FLAG029582616 [2024-09-15 20:06:52,555 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5f060d286/33b55e974690453bb30f4ad300d0b28d [2024-09-15 20:06:52,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:06:52,557 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:06:52,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:52,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:06:52,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:06:52,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:50" (1/2) ... [2024-09-15 20:06:52,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503ebe5b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:52, skipping insertion in model container [2024-09-15 20:06:52,566 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:50" (1/2) ... [2024-09-15 20:06:52,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21710d6f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:52, skipping insertion in model container [2024-09-15 20:06:52,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:52" (2/2) ... [2024-09-15 20:06:52,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503ebe5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52, skipping insertion in model container [2024-09-15 20:06:52,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:52" (2/2) ... [2024-09-15 20:06:52,582 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:06:52,582 INFO L1541 ArrayList]: Loop invariant at [L37-L61] (((((((__int128) q * y) + r) == x) && (((((__int128) q * y) + r) + ((__int128) a * y)) == ((__int128) b + x))) && (\old(counter) == 0)) && (1 <= y)) [2024-09-15 20:06:52,582 INFO L1541 ArrayList]: Loop invariant at [L46-L58] (((((1 <= r) && (((((__int128) q * y) + r) + ((__int128) a * y)) == ((__int128) b + x))) && (\old(counter) == 0)) && (1 <= y)) && (b == ((__int128) a * y))) [2024-09-15 20:06:52,583 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-15 20:06:52,583 INFO L1541 ArrayList]: Function contract at [L11]: requires (counter == 0), ensures ((\old(cond) != 0) && (counter == 0)) [2024-09-15 20:06:52,583 INFO L1541 ArrayList]: Function contract at [L23]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:06:52,604 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:06:52,778 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c[576,589] [2024-09-15 20:06:52,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:52,816 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:06:52,858 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound50.c[576,589] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-15 20:06:52,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:52,903 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:06:52,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52 WrapperNode [2024-09-15 20:06:52,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:52,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:06:52,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:06:52,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:06:52,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (1/1) ... [2024-09-15 20:06:52,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (1/1) ... [2024-09-15 20:06:52,924 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (1/1) ... [2024-09-15 20:06:52,934 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 [2024-09-15 20:06:52,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (1/1) ... [2024-09-15 20:06:52,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (1/1) ... [2024-09-15 20:06:52,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (1/1) ... [2024-09-15 20:06:52,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (1/1) ... [2024-09-15 20:06:52,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (1/1) ... [2024-09-15 20:06:52,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (1/1) ... [2024-09-15 20:06:52,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:06:52,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:06:52,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:06:52,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:06:52,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (1/1) ... [2024-09-15 20:06:52,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:52,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:06:52,989 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) [2024-09-15 20:06:52,996 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 [2024-09-15 20:06:53,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:06:53,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:06:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:06:53,043 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:06:53,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:06:53,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:06:53,044 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:06:53,044 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:06:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:06:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:06:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-15 20:06:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:06:53,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:06:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:06:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:06:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:06:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:06:53,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:06:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:06:53,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:06:53,126 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:06:53,130 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:06:53,168 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:53,203 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:53,331 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:53,346 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:06:53,387 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:06:53,388 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-15 20:06:53,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:53 BoogieIcfgContainer [2024-09-15 20:06:53,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:06:53,389 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:06:53,389 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:06:53,390 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:06:53,390 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:50" (1/4) ... [2024-09-15 20:06:53,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3bf88a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:53, skipping insertion in model container [2024-09-15 20:06:53,390 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:06:52" (2/4) ... [2024-09-15 20:06:53,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3bf88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:53, skipping insertion in model container [2024-09-15 20:06:53,391 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:52" (3/4) ... [2024-09-15 20:06:53,391 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3bf88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:53, skipping insertion in model container [2024-09-15 20:06:53,391 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:53" (4/4) ... [2024-09-15 20:06:53,392 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_unwindbound50.c [2024-09-15 20:06:53,396 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-15 20:06:53,397 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:06:53,397 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:06:53,397 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-15 20:06:53,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:06:53,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:06:53,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-15 20:06:53,398 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-15 20:06:53,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-15 20:06:53,398 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:06:53,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:53,398 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:53,399 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:06:53,399 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-15 20:06:53,399 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:53,399 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr10ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-15 20:06:53,399 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:53,400 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:53,400 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from procedure entry to error location [2024-09-15 20:06:53,456 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:06:53,457 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,458 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,458 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,459 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,469 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:06:53,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,471 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,471 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,471 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,475 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,497 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:53,523 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:06:53,523 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,523 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,523 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,524 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,537 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:06:53,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,547 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:53,576 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-15 20:06:53,576 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,576 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,576 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,577 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,589 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-15 20:06:53,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,592 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,592 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,592 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,594 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,596 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:53,619 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-15 20:06:53,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,619 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,620 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,620 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,645 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-15 20:06:53,646 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,646 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,646 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,647 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,647 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,650 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:53,671 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:06:53,672 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,672 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,673 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,673 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,679 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:06:53,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,680 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,680 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,681 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,683 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:53,700 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-15 20:06:53,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,701 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,701 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,702 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,714 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-15 20:06:53,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,714 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,715 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,715 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,715 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,717 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:53,732 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:06:53,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,735 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,743 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:06:53,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,746 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,747 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,750 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:53,770 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-15 20:06:53,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,797 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-15 20:06:53,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,798 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,798 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,798 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,812 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:53,826 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:06:53,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,828 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,828 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:06:53,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,829 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,829 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,831 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:53,841 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:06:53,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,842 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,852 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:06:53,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,854 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,856 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:53,866 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:53,866 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,866 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,866 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,866 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,867 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:53,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,868 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,868 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,868 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,868 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,870 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:53,881 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:06:53,881 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,882 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,882 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,882 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,900 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:06:53,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,901 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,905 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:53,917 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-15 20:06:53,917 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,937 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-15 20:06:53,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,937 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,937 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,938 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,942 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:53,951 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:06:53,952 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,952 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,953 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,953 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,955 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:06:53,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,956 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,956 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,957 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,958 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:53,968 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-15 20:06:53,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,969 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,969 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,986 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-15 20:06:53,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:53,987 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:53,987 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:53,987 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:53,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:53,990 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr10ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:53,998 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:06:53,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:53,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:53,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:53,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:53,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:54,000 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:06:54,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:54,001 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:54,001 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:54,001 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:54,001 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:54,003 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:06:54,028 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:06:54,028 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:54,028 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:54,028 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:54,028 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:54,029 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:54,044 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:06:54,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:54,054 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:54,055 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:54,055 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:54,055 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:54,064 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:06:54,067 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-15 20:06:54,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3bf88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:06:54, skipping insertion in model container [2024-09-15 20:06:54,068 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:06:54,069 INFO L158 Benchmark]: Toolchain (without parser) took 1511.83ms. Allocated memory is still 167.8MB. Free memory was 135.6MB in the beginning and 135.1MB in the end (delta: 532.4kB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2024-09-15 20:06:54,074 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:54,075 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:06:54,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.42ms. Allocated memory is still 167.8MB. Free memory was 134.5MB in the beginning and 120.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:06:54,075 INFO L158 Benchmark]: Boogie Preprocessor took 40.74ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:06:54,076 INFO L158 Benchmark]: RCFGBuilder took 441.07ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 128.3MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-15 20:06:54,077 INFO L158 Benchmark]: Referee took 678.97ms. Allocated memory is still 167.8MB. Free memory was 128.3MB in the beginning and 135.1MB in the end (delta: -6.7MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. [2024-09-15 20:06:54,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 37 to exit of procedure main. 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 46 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 104.9MB. Free memory is still 75.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 104.9MB. Free memory is still 73.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.42ms. Allocated memory is still 167.8MB. Free memory was 134.5MB in the beginning and 120.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.74ms. Allocated memory is still 167.8MB. Free memory was 120.9MB in the beginning and 118.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.07ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 128.3MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 678.97ms. Allocated memory is still 167.8MB. Free memory was 128.3MB in the beginning and 135.1MB in the end (delta: -6.7MB). Peak memory consumption was 89.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-15 20:06:54,139 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE