./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hard-u_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/hard-u_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:10,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:10,246 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:10,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:10,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:10,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:10,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:10,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:10,271 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:10,271 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:10,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:10,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:10,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:10,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:10,274 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:10,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:10,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:10,275 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:10,275 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:10,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:10,275 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:10,278 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:10,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:10,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:10,279 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:10,279 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:10,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:10,279 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:10,279 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:10,280 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:10,280 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:10,280 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:10,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:10,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:10,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:10,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:10,281 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:10,281 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:10,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:10,281 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:10,281 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:10,283 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:10,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:10,283 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:10,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:10,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:10,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:10,509 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:10,510 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:10,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard-u_valuebound1.yml/witness-2.1.yml [2024-09-20 20:11:10,554 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:10,555 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:10,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c [2024-09-20 20:11:11,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:12,000 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:12,000 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c [2024-09-20 20:11:12,007 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c33f3f436/99f4fb2b063247c4ba92f5348336b1a8/FLAG83cad35f8 [2024-09-20 20:11:12,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c33f3f436/99f4fb2b063247c4ba92f5348336b1a8 [2024-09-20 20:11:12,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:12,383 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:12,386 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:12,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:12,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:12,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:10" (1/2) ... [2024-09-20 20:11:12,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c15c891 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:12, skipping insertion in model container [2024-09-20 20:11:12,392 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:10" (1/2) ... [2024-09-20 20:11:12,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34e8e844 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:12, skipping insertion in model container [2024-09-20 20:11:12,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:12" (2/2) ... [2024-09-20 20:11:12,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c15c891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12, skipping insertion in model container [2024-09-20 20:11:12,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:12" (2/2) ... [2024-09-20 20:11:12,400 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:12,400 INFO L1541 ArrayList]: Loop invariant at [L36-L44] (((((((((r == A) && (((long long) A + r) <= (A + 4294967295))) && (d == 1)) && (A <= 1)) && (A <= ((long long) A + r))) && (q == 0)) && (B == d)) && (p == 1)) || (((((((B == 1) && (((long long) B * 2) == d)) && (p == 2)) && (A == 1)) && (0 == 0)) && (r == 1)) && (q == 0))) [2024-09-20 20:11:12,400 INFO L1541 ArrayList]: Loop invariant at [L46-L58] (((((((((B == 1) && (((long long) B * 2) == d)) && (r == A)) && (p == 2)) && (0 == 0)) && (r == 1)) && (q == 0)) || (((((((B == 1) && (A == ((long long) r + 1))) && (A <= 1)) && (d == 1)) && (q == 1)) && (1 <= (((long long) (B % 2147483648) + r) % 4294967296))) && (p == 1))) || ((((((r <= 0) && (A == r)) && (d == 1)) && (q == 0)) && (B == d)) && (p == 1))) [2024-09-20 20:11:12,401 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:12,401 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:12,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:12,540 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/hard-u_valuebound1.c[537,550] [2024-09-20 20:11:12,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:12,567 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:12,603 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/hard-u_valuebound1.c[537,550] Start Parsing Local Start Parsing Local [2024-09-20 20:11:12,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:12,635 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:12,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12 WrapperNode [2024-09-20 20:11:12,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:12,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:12,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:12,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:12,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (1/1) ... [2024-09-20 20:11:12,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (1/1) ... [2024-09-20 20:11:12,660 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (1/1) ... [2024-09-20 20:11:12,673 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 [2024-09-20 20:11:12,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (1/1) ... [2024-09-20 20:11:12,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (1/1) ... [2024-09-20 20:11:12,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (1/1) ... [2024-09-20 20:11:12,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (1/1) ... [2024-09-20 20:11:12,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (1/1) ... [2024-09-20 20:11:12,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (1/1) ... [2024-09-20 20:11:12,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:12,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:12,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:12,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:12,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (1/1) ... [2024-09-20 20:11:12,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:12,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:12,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:11:12,724 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:11:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:12,826 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:12,828 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:13,048 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:13,063 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:13,083 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:13,084 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:11:13,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:13 BoogieIcfgContainer [2024-09-20 20:11:13,084 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:13,085 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:13,085 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:13,086 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:13,086 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:10" (1/4) ... [2024-09-20 20:11:13,086 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@563c8f28 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:13, skipping insertion in model container [2024-09-20 20:11:13,087 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:12" (2/4) ... [2024-09-20 20:11:13,087 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@563c8f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:13, skipping insertion in model container [2024-09-20 20:11:13,088 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:12" (3/4) ... [2024-09-20 20:11:13,088 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@563c8f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:13, skipping insertion in model container [2024-09-20 20:11:13,088 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:13" (4/4) ... [2024-09-20 20:11:13,089 INFO L79 RefereeObserver]: Analyzing ICFG hard-u_valuebound1.c [2024-09-20 20:11:13,092 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:11:13,093 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:13,093 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 20:11:13,093 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:13,093 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:11:13,093 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 20:11:13,093 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:11:13,094 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:13,094 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:13,094 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:13,094 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:13,094 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:13,095 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:13,095 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:13,095 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:13,095 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:11:13,146 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:13,147 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:13,147 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:13,147 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:13,148 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:13,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,157 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:13,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:13,158 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:13,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:13,162 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:13,179 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:13,204 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 20:11:13,205 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:13,205 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:13,205 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:13,205 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:13,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,237 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-20 20:11:13,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,237 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:13,237 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:13,237 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:13,243 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:13,252 INFO L520 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:13,272 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:13,273 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:13,274 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:13,274 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:13,274 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:13,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,282 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:13,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:13,283 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:13,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:13,283 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:13,288 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:13,306 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:13,307 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:13,307 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:13,307 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:13,307 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:13,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,345 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:13,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:13,346 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:13,346 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:13,357 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:13,370 INFO L520 InvariantChecker]: The annotation(s) from loop head L54-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:13,386 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 20:11:13,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:13,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:13,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:13,387 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:13,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,454 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-20 20:11:13,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,455 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:13,455 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:13,456 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:13,459 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:13,462 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:13,475 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:13,476 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:13,476 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:13,476 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:13,477 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:13,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,492 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:13,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:13,493 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:13,493 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:13,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:13,497 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:17,501 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:17,520 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:17,520 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:17,521 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:17,521 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:17,522 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:17,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:17,537 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:17,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:17,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:17,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:17,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:17,540 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:17,549 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:17,566 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:17,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:17,567 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:17,567 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:17,567 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:17,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:17,573 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:17,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:17,574 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:17,574 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:17,574 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:17,574 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:17,577 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:17,592 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:17,592 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:17,592 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:17,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:17,593 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:17,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:17,597 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:17,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:17,601 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:17,602 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:17,602 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:17,602 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:21,604 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:21,628 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:21,628 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:21,628 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:21,628 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:21,629 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:21,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:21,633 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:21,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:21,633 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:21,633 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:21,634 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:21,634 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:21,638 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:21,649 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:21,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:21,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:21,650 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:21,650 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:21,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:21,657 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:21,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:21,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:21,658 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:21,658 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:21,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:25,666 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:25,680 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:25,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:25,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:25,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:25,681 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:25,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,684 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:25,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:25,685 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:25,685 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:25,686 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:25,687 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:25,696 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:25,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:25,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:25,696 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:25,696 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:25,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,697 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:25,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,697 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:25,698 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:25,698 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:25,698 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:25,701 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:25,711 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:25,711 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:25,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:25,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:25,712 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:25,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,718 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:25,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:25,719 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:25,720 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:25,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,726 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:29,731 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:29,731 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@563c8f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:29, skipping insertion in model container [2024-09-20 20:11:29,731 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:29,736 INFO L158 Benchmark]: Toolchain (without parser) took 17349.74ms. Allocated memory was 195.0MB in the beginning and 255.9MB in the end (delta: 60.8MB). Free memory was 159.3MB in the beginning and 165.1MB in the end (delta: -5.8MB). Peak memory consumption was 94.5MB. Max. memory is 16.1GB. [2024-09-20 20:11:29,737 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:29,737 INFO L158 Benchmark]: CDTParser took 1.52ms. Allocated memory is still 195.0MB. Free memory is still 161.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:29,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.01ms. Allocated memory is still 195.0MB. Free memory was 159.3MB in the beginning and 145.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:29,738 INFO L158 Benchmark]: Boogie Preprocessor took 51.77ms. Allocated memory is still 195.0MB. Free memory was 145.4MB in the beginning and 142.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 20:11:29,739 INFO L158 Benchmark]: RCFGBuilder took 394.81ms. Allocated memory is still 195.0MB. Free memory was 142.5MB in the beginning and 122.9MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:29,739 INFO L158 Benchmark]: Referee took 16646.10ms. Allocated memory was 195.0MB in the beginning and 255.9MB in the end (delta: 60.8MB). Free memory was 122.9MB in the beginning and 165.1MB in the end (delta: -42.2MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:29,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 46. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 60. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. Annotation is valid for all loop-free paths from 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 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 195.0MB. Free memory is still 163.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.52ms. Allocated memory is still 195.0MB. Free memory is still 161.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.01ms. Allocated memory is still 195.0MB. Free memory was 159.3MB in the beginning and 145.4MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.77ms. Allocated memory is still 195.0MB. Free memory was 145.4MB in the beginning and 142.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 394.81ms. Allocated memory is still 195.0MB. Free memory was 142.5MB in the beginning and 122.9MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 16646.10ms. Allocated memory was 195.0MB in the beginning and 255.9MB in the end (delta: 60.8MB). Free memory was 122.9MB in the beginning and 165.1MB in the end (delta: -42.2MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:29,772 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/hard-u_valuebound1.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-ca4ee3d-m [2024-09-20 20:11:31,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:31,686 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:31,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:31,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:31,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:31,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:31,715 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:31,715 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:31,718 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:31,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:31,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:31,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:31,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:31,719 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:31,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:31,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:31,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:31,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:31,722 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:31,722 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:31,722 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:31,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:31,723 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:31,723 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:31,723 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:31,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:31,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:31,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:31,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:31,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:31,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:31,724 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:31,724 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:31,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:31,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:31,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:31,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:31,724 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:31,725 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:31,725 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:31,726 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:31,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:31,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:31,727 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:31,727 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:31,727 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:31,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:31,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:31,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:31,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:31,986 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:31,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c [2024-09-20 20:11:33,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:33,343 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:33,346 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard-u_valuebound1.c [2024-09-20 20:11:33,356 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bc5f43598/ea2a84a028094012aeb4425dae475115/FLAGec74cebdc [2024-09-20 20:11:33,371 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bc5f43598/ea2a84a028094012aeb4425dae475115 [2024-09-20 20:11:33,373 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:33,373 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:33,374 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard-u_valuebound1.yml/witness-2.1.yml [2024-09-20 20:11:33,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:33,426 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:33,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:33,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:33,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:33,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:33" (1/2) ... [2024-09-20 20:11:33,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7dee79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:33, skipping insertion in model container [2024-09-20 20:11:33,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:33" (1/2) ... [2024-09-20 20:11:33,439 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f9ea9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:33, skipping insertion in model container [2024-09-20 20:11:33,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:33" (2/2) ... [2024-09-20 20:11:33,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7dee79 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33, skipping insertion in model container [2024-09-20 20:11:33,440 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:33" (2/2) ... [2024-09-20 20:11:33,450 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:33,451 INFO L1541 ArrayList]: Loop invariant at [L36-L44] (((((((((r == A) && (((long long) A + r) <= (A + 4294967295))) && (d == 1)) && (A <= 1)) && (A <= ((long long) A + r))) && (q == 0)) && (B == d)) && (p == 1)) || (((((((B == 1) && (((long long) B * 2) == d)) && (p == 2)) && (A == 1)) && (0 == 0)) && (r == 1)) && (q == 0))) [2024-09-20 20:11:33,451 INFO L1541 ArrayList]: Loop invariant at [L46-L58] (((((((((B == 1) && (((long long) B * 2) == d)) && (r == A)) && (p == 2)) && (0 == 0)) && (r == 1)) && (q == 0)) || (((((((B == 1) && (A == ((long long) r + 1))) && (A <= 1)) && (d == 1)) && (q == 1)) && (1 <= (((long long) (B % 2147483648) + r) % 4294967296))) && (p == 1))) || ((((((r <= 0) && (A == r)) && (d == 1)) && (q == 0)) && (B == d)) && (p == 1))) [2024-09-20 20:11:33,451 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:33,451 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:33,467 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:33,623 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/hard-u_valuebound1.c[537,550] [2024-09-20 20:11:33,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:33,654 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:33,687 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/hard-u_valuebound1.c[537,550] Start Parsing Local Start Parsing Local [2024-09-20 20:11:33,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:33,727 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:33,728 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33 WrapperNode [2024-09-20 20:11:33,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:33,730 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:33,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:33,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:33,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (1/1) ... [2024-09-20 20:11:33,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (1/1) ... [2024-09-20 20:11:33,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (1/1) ... [2024-09-20 20:11:33,760 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 [2024-09-20 20:11:33,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (1/1) ... [2024-09-20 20:11:33,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (1/1) ... [2024-09-20 20:11:33,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (1/1) ... [2024-09-20 20:11:33,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (1/1) ... [2024-09-20 20:11:33,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (1/1) ... [2024-09-20 20:11:33,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (1/1) ... [2024-09-20 20:11:33,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:33,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:33,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:33,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:33,780 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (1/1) ... [2024-09-20 20:11:33,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:33,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:33,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:11:33,809 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:11:33,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:33,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:33,846 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:33,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:33,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:33,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:33,909 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:33,911 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:34,160 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:34,179 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:34,211 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:34,211 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:11:34,211 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:34 BoogieIcfgContainer [2024-09-20 20:11:34,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:34,212 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:34,212 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:34,212 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:34,212 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:33" (1/4) ... [2024-09-20 20:11:34,213 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2546b375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:34, skipping insertion in model container [2024-09-20 20:11:34,213 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:33" (2/4) ... [2024-09-20 20:11:34,213 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2546b375 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:34, skipping insertion in model container [2024-09-20 20:11:34,213 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:33" (3/4) ... [2024-09-20 20:11:34,213 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2546b375 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:34, skipping insertion in model container [2024-09-20 20:11:34,213 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:34" (4/4) ... [2024-09-20 20:11:34,214 INFO L79 RefereeObserver]: Analyzing ICFG hard-u_valuebound1.c [2024-09-20 20:11:34,217 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:11:34,217 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:34,218 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 20:11:34,218 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:34,218 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:11:34,218 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 20:11:34,218 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:11:34,219 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:34,219 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:34,219 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:34,219 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:34,219 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:34,219 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:34,220 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:34,220 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:34,220 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:11:34,264 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:34,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,265 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,265 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,275 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:34,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,276 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,276 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,291 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:34,321 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 20:11:34,322 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,322 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,322 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,322 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,349 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-20 20:11:34,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,351 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,354 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,358 INFO L520 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:34,382 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:34,382 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,383 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,383 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,383 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,389 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:34,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,389 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,389 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,389 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,396 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:34,415 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:34,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,416 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,416 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,416 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,449 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:34,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,450 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,450 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,450 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,458 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,476 INFO L520 InvariantChecker]: The annotation(s) from loop head L54-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:34,495 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-20 20:11:34,495 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,496 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,496 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,496 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,514 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-20 20:11:34,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,514 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,515 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,515 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,517 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,529 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:34,541 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:34,541 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,541 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,541 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,541 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,552 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:34,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,553 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,553 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,553 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,555 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,572 INFO L520 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:34,588 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:34,588 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,588 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,589 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,599 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:34,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,599 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,600 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,600 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,610 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:34,623 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:34,624 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,625 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,625 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,630 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:34,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,631 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,631 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,631 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,635 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:34,643 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:34,644 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,644 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,644 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,644 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,651 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:34,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,651 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,651 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,652 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,652 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,668 INFO L520 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:34,681 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:34,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,682 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,682 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,685 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:34,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,685 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,685 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,685 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,685 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,688 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:34,697 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:34,697 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,697 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,697 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,702 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:34,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,702 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,702 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,702 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,702 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,726 INFO L520 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:34,742 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:34,742 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,742 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,742 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,742 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,745 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:34,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,745 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,745 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,745 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,747 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:34,754 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:34,755 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,755 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,756 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:34,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,756 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,756 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,756 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,756 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,758 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:34,768 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:34,768 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:34,768 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:34,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:34,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:34,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,773 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:34,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:34,774 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:34,774 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:34,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:34,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:34,783 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:34,788 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 20:11:34,789 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2546b375 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:34, skipping insertion in model container [2024-09-20 20:11:34,789 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:34,791 INFO L158 Benchmark]: Toolchain (without parser) took 1365.18ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 40.8MB in the beginning and 60.0MB in the end (delta: -19.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-20 20:11:34,791 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:34,791 INFO L158 Benchmark]: Witness Parser took 0.63ms. Allocated memory is still 71.3MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:34,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.39ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 46.0MB in the end (delta: -5.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:34,792 INFO L158 Benchmark]: Boogie Preprocessor took 44.81ms. Allocated memory is still 71.3MB. Free memory was 46.0MB in the beginning and 43.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:34,793 INFO L158 Benchmark]: RCFGBuilder took 436.34ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 46.9MB in the end (delta: -3.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:34,794 INFO L158 Benchmark]: Referee took 577.79ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 46.9MB in the beginning and 60.0MB in the end (delta: -13.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2024-09-20 20:11:34,796 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 60. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 46. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 46. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 50.3MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.63ms. Allocated memory is still 71.3MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.39ms. Allocated memory is still 71.3MB. Free memory was 40.8MB in the beginning and 46.0MB in the end (delta: -5.2MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.81ms. Allocated memory is still 71.3MB. Free memory was 46.0MB in the beginning and 43.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.34ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 46.9MB in the end (delta: -3.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 577.79ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 46.9MB in the beginning and 60.0MB in the end (delta: -13.0MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 20:11:34,824 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE