./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.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-6908dde-m [2024-09-25 00:28:37,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:37,989 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:28:37,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:37,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:38,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:38,035 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:38,040 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:38,041 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:38,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:38,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:38,041 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:38,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:38,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:38,042 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:38,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:38,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:38,043 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:38,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:28:38,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:38,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:38,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:38,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:38,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:38,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:38,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:38,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:38,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:38,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:38,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:38,050 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:38,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:38,050 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:38,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:38,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:38,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:38,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:38,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:28:38,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:28:38,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:38,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:38,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:38,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:38,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:38,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:38,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:38,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:38,288 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:38,289 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:38,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml [2024-09-25 00:28:38,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:38,349 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:38,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-25 00:28:39,730 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:39,906 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:39,907 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-25 00:28:39,921 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ba85414d4/a41dd73b280341faad4bfe41a6b8de5a/FLAG65431968e [2024-09-25 00:28:39,939 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ba85414d4/a41dd73b280341faad4bfe41a6b8de5a [2024-09-25 00:28:39,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:39,942 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:39,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:39,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:39,950 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:39,951 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:38" (1/2) ... [2024-09-25 00:28:39,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610355e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:39, skipping insertion in model container [2024-09-25 00:28:39,952 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:38" (1/2) ... [2024-09-25 00:28:39,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@410085d7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:39, skipping insertion in model container [2024-09-25 00:28:39,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:39" (2/2) ... [2024-09-25 00:28:39,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610355e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:39, skipping insertion in model container [2024-09-25 00:28:39,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:39" (2/2) ... [2024-09-25 00:28:39,963 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:39,964 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((((((p == 0) && (n == r)) && (n <= 0)) && (counter == 1)) && (h == 0)) && (q == 1)) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0))) && (\old(counter) == 0)) [2024-09-25 00:28:39,965 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && ((((((p == 0) && (n == r)) && (counter == 1)) && (h == 0)) || (((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)) && (q == 1))) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0)))) [2024-09-25 00:28:39,965 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:28:39,965 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:39,965 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:28:39,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:40,164 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/dijkstra-u_unwindbound2.c[525,538] [2024-09-25 00:28:40,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:40,216 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:28:40,255 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/dijkstra-u_unwindbound2.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 00:28:40,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:40,307 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:40,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40 WrapperNode [2024-09-25 00:28:40,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:40,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:40,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:40,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:40,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (1/1) ... [2024-09-25 00:28:40,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (1/1) ... [2024-09-25 00:28:40,332 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (1/1) ... [2024-09-25 00:28:40,351 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 [2024-09-25 00:28:40,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (1/1) ... [2024-09-25 00:28:40,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (1/1) ... [2024-09-25 00:28:40,355 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (1/1) ... [2024-09-25 00:28:40,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (1/1) ... [2024-09-25 00:28:40,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (1/1) ... [2024-09-25 00:28:40,370 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (1/1) ... [2024-09-25 00:28:40,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:40,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:40,373 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:40,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:40,377 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (1/1) ... [2024-09-25 00:28:40,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:40,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:40,413 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) [2024-09-25 00:28:40,415 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 [2024-09-25 00:28:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:28:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:28:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:28:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:40,534 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:40,539 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:40,562 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:40,584 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:40,874 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:40,915 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:40,943 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:40,943 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:40,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:40 BoogieIcfgContainer [2024-09-25 00:28:40,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:40,944 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:40,944 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:40,945 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:40,945 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:38" (1/4) ... [2024-09-25 00:28:40,946 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6293afce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:40, skipping insertion in model container [2024-09-25 00:28:40,946 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:39" (2/4) ... [2024-09-25 00:28:40,946 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6293afce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:40, skipping insertion in model container [2024-09-25 00:28:40,946 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:40" (3/4) ... [2024-09-25 00:28:40,946 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6293afce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:40, skipping insertion in model container [2024-09-25 00:28:40,947 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:40" (4/4) ... [2024-09-25 00:28:40,948 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-25 00:28:40,951 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:40,952 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:40,952 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-25 00:28:40,952 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:40,953 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 00:28:40,953 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-25 00:28:40,953 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:40,953 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 00:28:40,953 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:28:40,954 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:28:40,954 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-25 00:28:40,954 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:28:40,954 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-25 00:28:40,954 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:40,955 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:40,955 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-25 00:28:40,955 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:40,955 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 00:28:40,955 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:28:40,955 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:40,956 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location [2024-09-25 00:28:41,050 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:28:41,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:41,051 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:41,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:41,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:41,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:41,061 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:28:41,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:41,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:41,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:41,063 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:41,065 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:41,082 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:41,131 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-25 00:28:41,131 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:41,131 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:41,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:41,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:41,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:41,219 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-25 00:28:41,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:41,220 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:41,220 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:41,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:41,233 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:41,241 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:41,266 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:41,267 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:41,268 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:41,268 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:41,268 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:41,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:41,279 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:41,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:41,279 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:41,279 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:41,279 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:41,281 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:41,285 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:41,313 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 00:28:41,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:41,313 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:41,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:41,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:41,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:41,322 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 00:28:41,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:41,323 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:41,323 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:41,323 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:41,324 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:45,332 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:45,365 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-25 00:28:45,365 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:45,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:45,372 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:45,372 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:45,372 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:45,406 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-25 00:28:45,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:45,406 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:45,406 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:45,406 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:45,414 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:49,424 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:49,441 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:49,442 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:49,442 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:49,442 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:49,442 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:49,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,447 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:49,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:49,448 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:49,448 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:49,448 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:49,448 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,455 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:53,473 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-25 00:28:53,474 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,474 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,474 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,474 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,493 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-25 00:28:53,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,493 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,494 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:53,500 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:53,520 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 00:28:53,521 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:53,521 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:53,521 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:53,521 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:53,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,534 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 00:28:53,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:53,534 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:53,534 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:53,534 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:53,534 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,538 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:57,552 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:28:57,553 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,553 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,553 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,553 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,554 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:28:57,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:57,556 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:57,568 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-25 00:28:57,568 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:57,569 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:57,569 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:57,569 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:57,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,603 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-25 00:28:57,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:57,604 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:57,604 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:57,604 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:57,612 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:01,618 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:01,639 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:29:01,639 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:01,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:01,639 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:01,640 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:01,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,652 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:29:01,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:01,652 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:01,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:01,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:01,653 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:05,661 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:05,679 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 00:29:05,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:05,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:05,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:05,680 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:05,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:05,721 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-25 00:29:05,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:05,722 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:05,722 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:05,722 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:05,723 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:05,724 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:05,734 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:05,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:05,735 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:05,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:05,735 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:05,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:05,737 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:05,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:05,737 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:05,737 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:05,737 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:05,737 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:05,740 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:05,752 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:05,753 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:05,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:05,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:05,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:05,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:05,755 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:05,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:05,756 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:05,756 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:05,756 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:05,757 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:05,759 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:05,774 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-25 00:29:05,774 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:05,775 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:05,775 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:05,775 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:05,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:05,808 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-25 00:29:05,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:05,808 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:05,809 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:05,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:05,817 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,822 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:09,842 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:09,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:09,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:09,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:09,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:09,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,845 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:09,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:09,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:09,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:09,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,847 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:09,863 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:09,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:09,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:09,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:09,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:09,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,869 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:09,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,869 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:09,869 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:09,869 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:09,869 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,874 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:09,887 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:09,888 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:09,888 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:09,888 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:09,888 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:09,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,895 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:09,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,896 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:09,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:09,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:09,897 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,900 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:09,912 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:09,912 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:09,913 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:09,913 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:09,913 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:09,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,917 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:09,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:09,917 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:09,917 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:09,917 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:09,918 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:09,921 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:09,926 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:29:09,926 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6293afce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:09, skipping insertion in model container [2024-09-25 00:29:09,926 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:09,928 INFO L158 Benchmark]: Toolchain (without parser) took 29985.65ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 72.1MB in the beginning and 117.3MB in the end (delta: -45.1MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:09,928 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 144.7MB. Free memory was 109.0MB in the beginning and 108.7MB in the end (delta: 274.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:09,928 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:09,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.10ms. Allocated memory is still 144.7MB. Free memory was 71.8MB in the beginning and 56.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:29:09,929 INFO L158 Benchmark]: Boogie Preprocessor took 60.72ms. Allocated memory is still 144.7MB. Free memory was 56.7MB in the beginning and 54.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:09,930 INFO L158 Benchmark]: RCFGBuilder took 570.95ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 54.6MB in the beginning and 140.5MB in the end (delta: -85.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-09-25 00:29:09,931 INFO L158 Benchmark]: Referee took 28982.25ms. Allocated memory is still 182.5MB. Free memory was 140.5MB in the beginning and 117.3MB in the end (delta: 23.3MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. [2024-09-25 00:29:09,933 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 38 to check that procedure precondition always holds at line 42. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 144.7MB. Free memory was 109.0MB in the beginning and 108.7MB in the end (delta: 274.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.34ms. Allocated memory is still 144.7MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.10ms. Allocated memory is still 144.7MB. Free memory was 71.8MB in the beginning and 56.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.72ms. Allocated memory is still 144.7MB. Free memory was 56.7MB in the beginning and 54.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 570.95ms. Allocated memory was 144.7MB in the beginning and 182.5MB in the end (delta: 37.7MB). Free memory was 54.6MB in the beginning and 140.5MB in the end (delta: -85.9MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Referee took 28982.25ms. Allocated memory is still 182.5MB. Free memory was 140.5MB in the beginning and 117.3MB in the end (delta: 23.3MB). Peak memory consumption was 95.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:29:09,989 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.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-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:29:12,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:12,688 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:29:12,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:12,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:12,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:12,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:12,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:12,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:12,720 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:12,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:12,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:12,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:12,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:12,724 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:12,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:12,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:12,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:12,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:12,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:12,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:12,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:12,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:12,727 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:29:12,728 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:29:12,728 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:12,728 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:29:12,728 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:12,729 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:12,729 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:12,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:12,730 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:12,730 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:12,730 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:12,731 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:12,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:12,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:12,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:12,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:12,733 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:29:12,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:29:12,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:12,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:12,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:12,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:12,738 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:29:12,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:13,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:13,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:13,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:13,131 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:13,134 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:13,136 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml [2024-09-25 00:29:13,204 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:13,205 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:13,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-25 00:29:14,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:14,941 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:14,941 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-25 00:29:14,948 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5ead4623a/57ad6f244954459ab3f94c77b50d0c08/FLAGf2187bcfa [2024-09-25 00:29:14,959 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5ead4623a/57ad6f244954459ab3f94c77b50d0c08 [2024-09-25 00:29:14,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:14,962 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:14,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:14,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:14,971 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:14,972 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:13" (1/2) ... [2024-09-25 00:29:14,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503f84cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:14, skipping insertion in model container [2024-09-25 00:29:14,973 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:13" (1/2) ... [2024-09-25 00:29:14,974 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@22b9f3d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:14, skipping insertion in model container [2024-09-25 00:29:14,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:14" (2/2) ... [2024-09-25 00:29:14,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@503f84cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:14, skipping insertion in model container [2024-09-25 00:29:14,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:14" (2/2) ... [2024-09-25 00:29:14,981 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:14,981 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((((((p == 0) && (n == r)) && (n <= 0)) && (counter == 1)) && (h == 0)) && (q == 1)) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0))) && (\old(counter) == 0)) [2024-09-25 00:29:14,981 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && ((((((p == 0) && (n == r)) && (counter == 1)) && (h == 0)) || (((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)) && (q == 1))) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0)))) [2024-09-25 00:29:14,982 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-25 00:29:14,982 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:14,982 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:29:14,996 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:15,141 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/dijkstra-u_unwindbound2.c[525,538] [2024-09-25 00:29:15,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:15,186 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:15,218 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/dijkstra-u_unwindbound2.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 00:29:15,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:15,247 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:15,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15 WrapperNode [2024-09-25 00:29:15,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:15,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:15,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:15,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:15,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (1/1) ... [2024-09-25 00:29:15,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (1/1) ... [2024-09-25 00:29:15,268 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (1/1) ... [2024-09-25 00:29:15,284 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 [2024-09-25 00:29:15,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (1/1) ... [2024-09-25 00:29:15,284 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (1/1) ... [2024-09-25 00:29:15,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (1/1) ... [2024-09-25 00:29:15,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (1/1) ... [2024-09-25 00:29:15,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (1/1) ... [2024-09-25 00:29:15,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (1/1) ... [2024-09-25 00:29:15,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:15,301 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:15,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:15,302 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:15,303 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (1/1) ... [2024-09-25 00:29:15,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:15,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:15,332 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) [2024-09-25 00:29:15,335 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 [2024-09-25 00:29:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:15,373 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:15,374 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:15,374 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:29:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:29:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:29:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:15,438 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:15,440 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:15,460 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:15,499 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:17,759 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:17,809 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:17,832 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:17,832 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:29:17,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:17 BoogieIcfgContainer [2024-09-25 00:29:17,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:17,833 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:17,833 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:17,834 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:17,834 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:13" (1/4) ... [2024-09-25 00:29:17,835 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@664ceaa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:17, skipping insertion in model container [2024-09-25 00:29:17,835 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:14" (2/4) ... [2024-09-25 00:29:17,836 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@664ceaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:17, skipping insertion in model container [2024-09-25 00:29:17,836 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:15" (3/4) ... [2024-09-25 00:29:17,836 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@664ceaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:17, skipping insertion in model container [2024-09-25 00:29:17,836 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:17" (4/4) ... [2024-09-25 00:29:17,837 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-25 00:29:17,842 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:29:17,843 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:17,843 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-25 00:29:17,844 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:17,844 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 00:29:17,844 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-25 00:29:17,845 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:17,845 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 00:29:17,845 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:29:17,846 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 00:29:17,846 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-25 00:29:17,846 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:29:17,847 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-25 00:29:17,847 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:17,847 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:17,847 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-25 00:29:17,847 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:17,848 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 00:29:17,848 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:29:17,848 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:17,848 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 00:29:17,928 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:17,929 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:17,930 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:17,930 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:17,931 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:17,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:17,948 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:17,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:17,950 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:17,950 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:17,950 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:17,953 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:17,966 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:17,995 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-25 00:29:17,996 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:17,996 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:17,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:17,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:17,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:18,097 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-25 00:29:18,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:18,097 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:18,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:18,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:18,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:18,283 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:18,347 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:29:18,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:18,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:18,347 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:18,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:18,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:18,359 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:29:18,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:18,360 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:18,360 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:18,360 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:18,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:18,409 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 00:29:18,409 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:18,409 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:18,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:18,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:18,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:18,419 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 00:29:18,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:18,420 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:18,420 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:18,420 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:18,421 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:18,541 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:18,595 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-25 00:29:18,595 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:18,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:18,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:18,596 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:18,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:18,641 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-25 00:29:18,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:18,641 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:18,641 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:18,642 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:18,649 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:19,086 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:19,168 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:19,168 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:19,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:19,169 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:19,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:19,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:19,173 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:19,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:19,174 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:19,174 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:19,174 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:19,174 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:23,195 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:23,214 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-25 00:29:23,214 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:23,215 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:23,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:23,215 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:23,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:23,230 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-25 00:29:23,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:23,231 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:23,231 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:23,231 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:23,231 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:27,420 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:27,493 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 00:29:27,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:27,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:27,494 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:27,494 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:27,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:27,513 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 00:29:27,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:27,514 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:27,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:27,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:27,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:27,698 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:27,776 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:29:27,776 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:27,777 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:27,777 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:27,777 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:27,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:27,778 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:29:27,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:27,778 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:27,779 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:27,779 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:27,779 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:27,781 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:27,802 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-25 00:29:27,802 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:27,803 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:27,803 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:27,803 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:27,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:27,836 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-25 00:29:27,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:27,836 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:27,836 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:27,837 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:27,842 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:28,414 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:28,489 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 00:29:28,489 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:28,490 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:28,490 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:28,490 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:28,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:28,500 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 00:29:28,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:28,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:28,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:28,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:28,501 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:32,686 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:32,758 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 00:29:32,758 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:32,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:32,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:32,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:32,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:32,804 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-25 00:29:32,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:32,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:32,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:32,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:32,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:32,807 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:32,817 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:32,818 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:32,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:32,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:32,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:32,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:32,820 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:32,820 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:32,820 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:32,820 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:32,821 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:32,821 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:32,822 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:32,831 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:32,831 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:32,831 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:32,831 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:32,831 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:32,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:32,832 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:32,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:32,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:32,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:32,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:32,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:32,835 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:32,847 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-25 00:29:32,847 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:32,847 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:32,847 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:32,848 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:32,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:32,876 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-25 00:29:32,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:32,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:32,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:32,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:32,882 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:33,379 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:33,456 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:33,456 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:33,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:33,456 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:33,456 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:33,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:33,457 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:33,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:33,457 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:33,457 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:33,458 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:33,458 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:33,460 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:33,469 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:33,470 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:33,470 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:33,470 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:33,470 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:33,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:33,472 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:33,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:33,472 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:33,472 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:33,472 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:33,472 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:33,476 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:33,488 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:29:33,489 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:33,489 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:33,489 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:33,489 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:33,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:33,496 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:29:33,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:33,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:33,497 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:33,497 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:33,497 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:33,506 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:33,518 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:29:33,518 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:33,518 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:33,518 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:33,518 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:33,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:33,521 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:29:33,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:33,522 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:33,522 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:33,522 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:33,522 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:33,526 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:33,536 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 00:29:33,537 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@664ceaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:33, skipping insertion in model container [2024-09-25 00:29:33,537 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:33,539 INFO L158 Benchmark]: Toolchain (without parser) took 18575.39ms. Allocated memory was 71.3MB in the beginning and 142.6MB in the end (delta: 71.3MB). Free memory was 33.9MB in the beginning and 83.3MB in the end (delta: -49.3MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2024-09-25 00:29:33,539 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:33,540 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:33,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.03ms. Allocated memory was 71.3MB in the beginning and 117.4MB in the end (delta: 46.1MB). Free memory was 33.7MB in the beginning and 87.6MB in the end (delta: -53.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-25 00:29:33,541 INFO L158 Benchmark]: Boogie Preprocessor took 52.01ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 85.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:33,541 INFO L158 Benchmark]: RCFGBuilder took 2531.55ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 59.1MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-25 00:29:33,542 INFO L158 Benchmark]: Referee took 15703.42ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 59.1MB in the beginning and 83.3MB in the end (delta: -24.2MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-09-25 00:29:33,546 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 30 to loop head at line 38. One counterexample starts in \old(counter)=0, counter=2147483647, h=0, n=2, p=0, q=3, r=2 and ends in \old(counter)=0, counter=-2147483648, h=0, n=2, p=0, q=3, r=2. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from 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 38 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 38 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 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 71.3MB. Free memory is still 39.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.03ms. Allocated memory was 71.3MB in the beginning and 117.4MB in the end (delta: 46.1MB). Free memory was 33.7MB in the beginning and 87.6MB in the end (delta: -53.9MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.01ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 85.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2531.55ms. Allocated memory is still 117.4MB. Free memory was 84.7MB in the beginning and 59.1MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 15703.42ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 59.1MB in the beginning and 83.3MB in the end (delta: -24.2MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 00:29:33,656 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE