./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_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-dev-a9b967e-m [2024-09-11 20:48:34,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:34,932 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:34,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:34,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:34,977 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:34,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:34,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:34,979 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:34,980 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:34,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:34,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:34,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:34,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:34,981 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:34,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:34,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:34,982 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:34,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:34,983 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:34,983 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:34,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:34,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:34,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:34,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:34,989 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:34,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:34,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:34,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:34,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:34,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:34,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:34,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:34,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:34,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:34,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:34,993 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:34,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:34,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:34,994 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:34,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:34,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:34,995 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:35,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:35,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:35,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:35,278 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:35,279 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:35,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:48:35,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:35,350 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:35,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c [2024-09-11 20:48:36,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:36,949 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:36,949 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c [2024-09-11 20:48:36,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ec7e51df4/d6413511ff674812bf55932f632c2375/FLAG0b356b71b [2024-09-11 20:48:37,350 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ec7e51df4/d6413511ff674812bf55932f632c2375 [2024-09-11 20:48:37,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:37,352 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:37,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:37,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:37,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:37,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:35" (1/2) ... [2024-09-11 20:48:37,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1a42f4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:37, skipping insertion in model container [2024-09-11 20:48:37,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:35" (1/2) ... [2024-09-11 20:48:37,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19f4e2b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:37, skipping insertion in model container [2024-09-11 20:48:37,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:37" (2/2) ... [2024-09-11 20:48:37,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1a42f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37, skipping insertion in model container [2024-09-11 20:48:37,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:37" (2/2) ... [2024-09-11 20:48:37,376 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:37,376 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (x <= 1)) && (0 <= (r + y))) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) || ((((((((__int128) r + 1) <= y) && (0 <= x)) && (x == (r + ((__int128) q * y)))) && (b <= y)) && (x <= 1)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) || ((((((b == 0) && (0 <= r)) && (r == x)) && (q == 0)) && (x <= 1)) && (a == 0))) [2024-09-11 20:48:37,377 INFO L1541 ArrayList]: Loop invariant at [L47-L59] ((((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (b <= (r + y))) && (0 <= r)) && (x <= 1)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) || (((((((((__int128) a * y) + r) == (b + x)) && (0 <= r)) && (r == x)) && (q == 0)) && (x <= 1)) && (b < ((long long) y + 1)))) [2024-09-11 20:48:37,380 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:37,380 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:37,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:37,561 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c[576,589] [2024-09-11 20:48:37,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:37,598 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:37,641 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:37,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:37,692 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:37,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37 WrapperNode [2024-09-11 20:48:37,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:37,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:37,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:37,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:37,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (1/1) ... [2024-09-11 20:48:37,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (1/1) ... [2024-09-11 20:48:37,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (1/1) ... [2024-09-11 20:48:37,727 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:37,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (1/1) ... [2024-09-11 20:48:37,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (1/1) ... [2024-09-11 20:48:37,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (1/1) ... [2024-09-11 20:48:37,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (1/1) ... [2024-09-11 20:48:37,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (1/1) ... [2024-09-11 20:48:37,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (1/1) ... [2024-09-11 20:48:37,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:37,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:37,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:37,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:37,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (1/1) ... [2024-09-11 20:48:37,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:37,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:37,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:48:37,783 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:48:37,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:37,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:37,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:37,831 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:37,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:37,942 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:37,945 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:38,129 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:38,190 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:38,190 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:38,211 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:38,211 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:38,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:38 BoogieIcfgContainer [2024-09-11 20:48:38,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:38,213 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:38,213 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:38,214 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:38,214 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:35" (1/4) ... [2024-09-11 20:48:38,214 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f55f0d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:38, skipping insertion in model container [2024-09-11 20:48:38,215 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:37" (2/4) ... [2024-09-11 20:48:38,215 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f55f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:38, skipping insertion in model container [2024-09-11 20:48:38,215 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:37" (3/4) ... [2024-09-11 20:48:38,215 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f55f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:38, skipping insertion in model container [2024-09-11 20:48:38,216 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:38" (4/4) ... [2024-09-11 20:48:38,217 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound1.c [2024-09-11 20:48:38,220 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:38,221 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:38,221 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:48:38,222 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:38,222 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:38,222 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:38,222 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:38,223 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:38,223 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:48:38,223 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:38,223 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:48:38,223 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:38,224 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:38,224 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:38,224 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:38,224 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-11 20:48:38,286 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:38,287 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,288 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,288 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,306 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:38,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,311 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,311 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,311 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,314 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,332 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:38,368 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:38,368 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,369 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,369 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,369 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,384 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:48:38,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,385 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,385 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,385 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,386 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,388 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:38,410 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:38,410 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,410 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,411 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,426 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:38,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,426 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,426 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,427 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,427 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,430 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:38,446 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:38,447 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,447 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,447 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,448 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,466 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:38,466 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,466 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,467 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,467 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,467 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,470 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:38,485 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:38,486 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,486 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,486 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,487 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,496 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:38,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,496 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,497 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,497 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,497 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,502 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:38,521 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:38,522 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,522 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,522 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,522 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,528 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:38,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,529 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,530 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,533 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:38,553 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:38,554 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,554 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,579 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:38,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,580 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,581 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,581 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,585 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:38,603 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:38,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,604 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,604 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,604 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,620 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:38,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,621 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,621 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,623 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,625 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:38,639 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:38,639 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,639 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,640 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,653 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:38,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,654 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,654 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,657 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:38,674 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:48:38,674 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,674 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,675 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,675 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,704 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:48:38,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,709 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,713 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:38,727 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:38,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,728 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,738 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:38,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,745 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:38,756 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:38,756 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,756 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,757 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,757 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,765 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:38,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,765 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,765 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,766 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,767 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:38,776 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:38,776 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,776 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,776 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,776 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,780 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:38,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,781 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,781 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,781 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,784 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:38,793 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:38,793 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:38,794 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:38,794 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:38,794 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:38,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,796 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:38,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:38,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:38,796 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:38,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:38,796 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:38,798 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:38,802 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:38,802 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f55f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:38, skipping insertion in model container [2024-09-11 20:48:38,802 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:38,805 INFO L158 Benchmark]: Toolchain (without parser) took 1452.04ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 68.1MB in the beginning and 156.9MB in the end (delta: -88.8MB). Peak memory consumption was 45.2MB. Max. memory is 16.1GB. [2024-09-11 20:48:38,805 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 138.4MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:38,806 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 138.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:38,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.62ms. Allocated memory is still 138.4MB. Free memory was 67.8MB in the beginning and 53.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:38,808 INFO L158 Benchmark]: Boogie Preprocessor took 52.04ms. Allocated memory is still 138.4MB. Free memory was 53.7MB in the beginning and 51.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:48:38,808 INFO L158 Benchmark]: RCFGBuilder took 465.36ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 51.6MB in the beginning and 158.5MB in the end (delta: -106.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-09-11 20:48:38,809 INFO L158 Benchmark]: Referee took 590.15ms. Allocated memory is still 201.3MB. Free memory was 158.5MB in the beginning and 156.9MB in the end (delta: 1.6MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:38,811 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 38 to loop head 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 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure 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 47 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 138.4MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 138.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.62ms. Allocated memory is still 138.4MB. Free memory was 67.8MB in the beginning and 53.7MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.04ms. Allocated memory is still 138.4MB. Free memory was 53.7MB in the beginning and 51.6MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 465.36ms. Allocated memory was 138.4MB in the beginning and 201.3MB in the end (delta: 62.9MB). Free memory was 51.6MB in the beginning and 158.5MB in the end (delta: -106.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Referee took 590.15ms. Allocated memory is still 201.3MB. Free memory was 158.5MB in the beginning and 156.9MB in the end (delta: 1.6MB). Peak memory consumption was 71.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:38,844 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/cohendiv-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_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-dev-a9b967e-m [2024-09-11 20:48:41,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:41,098 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:41,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:41,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:41,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:41,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:41,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:41,136 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:41,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:41,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:41,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:41,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:41,137 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:41,138 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:41,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:41,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:41,139 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:41,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:41,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:41,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:41,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:41,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:41,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:41,146 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:41,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:41,146 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:41,147 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:41,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:41,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:41,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:41,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:41,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:41,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:41,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:41,148 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:41,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:41,149 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:41,149 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:41,151 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:41,151 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:41,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:41,152 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:41,152 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:41,152 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:41,152 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:41,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:41,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:41,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:41,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:41,485 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:41,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c [2024-09-11 20:48:42,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:43,166 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:43,166 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c [2024-09-11 20:48:43,174 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/08b8f9688/f34549e946684bc08b559557eb817fda/FLAG8107c7d4f [2024-09-11 20:48:43,562 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/08b8f9688/f34549e946684bc08b559557eb817fda [2024-09-11 20:48:43,565 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:43,565 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:43,566 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:48:43,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:43,621 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:43,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:43,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:43,633 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:43,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:43" (1/2) ... [2024-09-11 20:48:43,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2683ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:43, skipping insertion in model container [2024-09-11 20:48:43,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:43" (1/2) ... [2024-09-11 20:48:43,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@199f9f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:43, skipping insertion in model container [2024-09-11 20:48:43,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:43" (2/2) ... [2024-09-11 20:48:43,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2683ca4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43, skipping insertion in model container [2024-09-11 20:48:43,638 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:43" (2/2) ... [2024-09-11 20:48:43,650 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:43,650 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (x <= 1)) && (0 <= (r + y))) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) || ((((((((__int128) r + 1) <= y) && (0 <= x)) && (x == (r + ((__int128) q * y)))) && (b <= y)) && (x <= 1)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) || ((((((b == 0) && (0 <= r)) && (r == x)) && (q == 0)) && (x <= 1)) && (a == 0))) [2024-09-11 20:48:43,651 INFO L1541 ArrayList]: Loop invariant at [L47-L59] ((((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (b <= (r + y))) && (0 <= r)) && (x <= 1)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) || (((((((((__int128) a * y) + r) == (b + x)) && (0 <= r)) && (r == x)) && (q == 0)) && (x <= 1)) && (b < ((long long) y + 1)))) [2024-09-11 20:48:43,651 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:43,651 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:43,671 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:43,846 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c[576,589] [2024-09-11 20:48:43,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:43,894 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:43,937 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound1.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:43,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:43,992 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:43,993 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43 WrapperNode [2024-09-11 20:48:43,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:43,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:43,996 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:43,996 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:44,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (1/1) ... [2024-09-11 20:48:44,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (1/1) ... [2024-09-11 20:48:44,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (1/1) ... [2024-09-11 20:48:44,039 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:44,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (1/1) ... [2024-09-11 20:48:44,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (1/1) ... [2024-09-11 20:48:44,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (1/1) ... [2024-09-11 20:48:44,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (1/1) ... [2024-09-11 20:48:44,064 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (1/1) ... [2024-09-11 20:48:44,065 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (1/1) ... [2024-09-11 20:48:44,071 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:44,072 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:44,073 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:44,073 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:44,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (1/1) ... [2024-09-11 20:48:44,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:44,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:44,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:48:44,110 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:48:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:44,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:44,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:44,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:44,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:44,254 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:44,257 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:48,802 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:48,882 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:48,883 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:48,907 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:48,908 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:48,908 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:48 BoogieIcfgContainer [2024-09-11 20:48:48,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:48,909 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:48,909 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:48,910 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:48,910 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:43" (1/4) ... [2024-09-11 20:48:48,911 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1cd9bc69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:48, skipping insertion in model container [2024-09-11 20:48:48,911 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:43" (2/4) ... [2024-09-11 20:48:48,911 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1cd9bc69 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:48, skipping insertion in model container [2024-09-11 20:48:48,911 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:43" (3/4) ... [2024-09-11 20:48:48,911 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1cd9bc69 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:48, skipping insertion in model container [2024-09-11 20:48:48,912 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:48" (4/4) ... [2024-09-11 20:48:48,913 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound1.c [2024-09-11 20:48:48,917 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:48,918 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:48,918 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:48:48,919 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:48,919 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:48,919 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:48,919 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:48,919 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:48,919 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:48:48,920 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:48,920 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:48:48,920 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:48,920 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:48,920 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:48,920 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:48,921 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-11 20:48:48,991 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:48,993 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:48,993 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:48,994 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:48,995 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:48,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,009 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:49,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,010 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:49,010 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:49,011 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:49,015 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:49,036 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:49,073 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:49,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:49,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:49,074 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:49,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:49,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,094 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:48:49,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:49,094 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:49,094 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:49,095 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:49,101 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:49,122 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:49,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:49,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:49,123 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:49,123 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:49,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,131 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:49,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:49,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:49,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:49,132 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:49,366 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:49,418 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:49,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:49,418 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:49,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:49,418 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:49,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,436 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:49,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:49,437 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:49,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:49,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:49,437 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:53,573 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:53,640 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:53,640 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:53,640 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:53,641 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:53,641 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:53,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,651 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:53,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,652 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:53,652 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:53,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:53,653 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:57,783 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:57,841 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:57,841 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:57,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:57,842 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:57,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:57,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:57,846 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:57,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:57,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:57,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:57,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:57,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:01,966 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:02,022 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:49:02,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:02,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:02,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:02,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:02,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:02,050 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:49:02,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:02,051 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:02,051 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:02,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:02,052 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:06,243 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:06,317 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:06,317 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:06,317 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:06,317 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:06,317 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:06,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:06,329 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:06,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:06,330 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:06,330 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:06,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:06,331 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,467 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:10,530 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:49:10,530 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,531 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,531 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,544 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:49:10,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,549 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:10,561 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:10,561 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,561 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,561 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,562 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,588 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:10,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,594 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:14,819 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:14,900 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:14,900 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:14,901 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:14,901 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:14,901 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:14,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:14,905 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:14,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:14,906 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:14,906 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:14,907 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:14,907 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,026 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:19,081 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:19,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,082 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,090 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:19,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,091 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,091 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,091 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,091 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,095 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:19,105 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:19,105 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,105 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,105 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,108 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:19,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,109 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,109 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,109 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,110 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,112 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:19,130 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:19,131 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:19,131 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:19,131 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:19,131 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:19,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,132 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:19,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:19,132 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:19,132 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:19,132 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:19,132 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:19,136 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:19,139 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:49:19,140 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1cd9bc69 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:19, skipping insertion in model container [2024-09-11 20:49:19,140 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:19,143 INFO L158 Benchmark]: Toolchain (without parser) took 35521.53ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 23.3MB in the beginning and 48.4MB in the end (delta: -25.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-09-11 20:49:19,144 INFO L158 Benchmark]: CDTParser took 1.70ms. Allocated memory is still 41.9MB. Free memory was 18.6MB in the beginning and 18.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:19,144 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 56.6MB. Free memory is still 25.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:19,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.86ms. Allocated memory is still 75.5MB. Free memory was 56.0MB in the beginning and 40.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:19,146 INFO L158 Benchmark]: Boogie Preprocessor took 76.59ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 38.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:19,146 INFO L158 Benchmark]: RCFGBuilder took 4835.82ms. Allocated memory is still 75.5MB. Free memory was 38.2MB in the beginning and 38.7MB in the end (delta: -554.6kB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2024-09-11 20:49:19,148 INFO L158 Benchmark]: Referee took 30231.02ms. Allocated memory is still 75.5MB. Free memory was 38.7MB in the beginning and 48.4MB in the end (delta: -9.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:19,150 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 47 to loop head at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 47. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70ms. Allocated memory is still 41.9MB. Free memory was 18.6MB in the beginning and 18.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 56.6MB. Free memory is still 25.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.86ms. Allocated memory is still 75.5MB. Free memory was 56.0MB in the beginning and 40.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.59ms. Allocated memory is still 75.5MB. Free memory was 40.6MB in the beginning and 38.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 4835.82ms. Allocated memory is still 75.5MB. Free memory was 38.2MB in the beginning and 38.7MB in the end (delta: -554.6kB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Referee took 30231.02ms. Allocated memory is still 75.5MB. Free memory was 38.7MB in the beginning and 48.4MB in the end (delta: -9.7MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:19,238 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: UNKNOWN