./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/cohencu-ll.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/cohencu-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:47:59,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:59,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:59,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:59,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:59,973 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:59,974 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:59,974 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:59,974 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:59,974 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:59,975 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:59,975 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:59,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:59,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:59,980 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:59,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:59,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:59,981 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:59,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:59,981 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:59,981 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:59,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:59,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:59,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:59,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:59,984 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:59,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:59,984 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:59,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:59,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:59,984 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:59,985 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:59,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:59,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:59,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:59,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:59,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:59,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:59,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:59,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:59,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:59,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:59,987 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:00,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:00,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:00,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:00,202 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:00,202 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:00,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll.yml/witness-2.1.yml [2024-09-11 20:48:00,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:00,247 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:00,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/cohencu-ll.c [2024-09-11 20:48:01,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:01,751 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:01,755 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/cohencu-ll.c [2024-09-11 20:48:01,764 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/31f103841/e08290ec39d1434a92d9f7b3fe993a23/FLAG61f7e31f5 [2024-09-11 20:48:01,780 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/31f103841/e08290ec39d1434a92d9f7b3fe993a23 [2024-09-11 20:48:01,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:01,782 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:01,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:01,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:01,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:01,789 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 08:48:00" (1/2) ... [2024-09-11 20:48:01,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d98a6bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:01, skipping insertion in model container [2024-09-11 20:48:01,790 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 08:48:00" (1/2) ... [2024-09-11 20:48:01,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b979ac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:01, skipping insertion in model container [2024-09-11 20:48:01,792 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:01" (2/2) ... [2024-09-11 20:48:01,792 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d98a6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:01, skipping insertion in model container [2024-09-11 20:48:01,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:01" (2/2) ... [2024-09-11 20:48:01,797 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:01,798 INFO L1541 ArrayList]: Loop invariant at [L32-L45] (((((((__int128) x * z) == (((__int128) x * 12) + (6 * ((__int128) a * x)))) || (n < (a + 1))) && (((((__int128) y * z) + 6) + ((__int128) z * z)) == ((((__int128) z * 4) + ((__int128) x * 18)) + ((__int128) y * 24)))) && (z == (6 + ((__int128) 6 * n)))) && (((__int128) 2 * y) == (((__int128) n * z) + 2))) [2024-09-11 20:48:01,798 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:01,812 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:01,945 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/cohencu-ll.c[588,601] [2024-09-11 20:48:01,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:01,995 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:02,038 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/cohencu-ll.c[588,601] Start Parsing Local [2024-09-11 20:48:02,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:02,086 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:02,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02 WrapperNode [2024-09-11 20:48:02,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:02,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:02,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:02,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:02,117 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (1/1) ... [2024-09-11 20:48:02,117 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (1/1) ... [2024-09-11 20:48:02,126 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (1/1) ... [2024-09-11 20:48:02,149 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:02,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (1/1) ... [2024-09-11 20:48:02,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (1/1) ... [2024-09-11 20:48:02,157 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (1/1) ... [2024-09-11 20:48:02,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (1/1) ... [2024-09-11 20:48:02,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (1/1) ... [2024-09-11 20:48:02,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (1/1) ... [2024-09-11 20:48:02,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:02,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:02,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:02,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:02,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (1/1) ... [2024-09-11 20:48:02,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:02,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:02,225 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 20:48:02,261 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 20:48:02,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:02,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:02,333 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:02,333 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:02,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:02,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-09-11 20:48:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:02,419 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:02,423 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:02,687 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:02,789 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:02,790 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:02,829 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:02,830 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:02,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:02 BoogieIcfgContainer [2024-09-11 20:48:02,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:02,835 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:02,835 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:02,835 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:02,836 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 08:48:00" (1/4) ... [2024-09-11 20:48:02,836 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a425719 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:02, skipping insertion in model container [2024-09-11 20:48:02,836 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:01" (2/4) ... [2024-09-11 20:48:02,836 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a425719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:02, skipping insertion in model container [2024-09-11 20:48:02,836 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:02" (3/4) ... [2024-09-11 20:48:02,836 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a425719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:02, skipping insertion in model container [2024-09-11 20:48:02,836 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:02" (4/4) ... [2024-09-11 20:48:02,837 INFO L79 RefereeObserver]: Analyzing ICFG cohencu-ll.c [2024-09-11 20:48:02,842 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:02,847 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:02,847 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:48:02,847 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:02,847 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:02,847 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-11 20:48:02,847 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:48:02,848 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-11 20:48:02,848 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:02,848 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:48:02,848 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-11 20:48:02,848 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:48:02,848 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 20:48:02,849 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 16 edges. [2024-09-11 20:48:02,849 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 20:48:02,849 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:02,849 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 11 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:48:02,948 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:02,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:02,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:02,955 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:02,956 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:02,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,054 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:03,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,055 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,055 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,056 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,057 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,112 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:03,151 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:48:03,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,152 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,152 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,152 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,159 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:48:03,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,160 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,160 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,164 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:03,200 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:03,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,204 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,227 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:03,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,232 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,232 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,232 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,232 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,242 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,266 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:03,266 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,266 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,274 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:03,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,275 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,275 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,277 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,300 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-11 20:48:03,304 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,354 INFO L101 BaseMinimizeStates]: Removed 32 edges and 11 locations by large block encoding [2024-09-11 20:48:03,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,358 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,359 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,359 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,369 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,437 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,463 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:03,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,463 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,463 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,466 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,467 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,477 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:03,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,478 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,478 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,479 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,479 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,484 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,498 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-11 20:48:03,499 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,499 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,499 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,499 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,521 INFO L101 BaseMinimizeStates]: Removed 28 edges and 10 locations by large block encoding [2024-09-11 20:48:03,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,522 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,523 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,523 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,527 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,537 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,552 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:03,553 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,554 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,579 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:03,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,581 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,581 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,581 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,584 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,595 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:48:03,595 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,595 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,596 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,611 INFO L101 BaseMinimizeStates]: Removed 24 edges and 9 locations by large block encoding [2024-09-11 20:48:03,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,612 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,612 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,612 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,615 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,617 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,628 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-11 20:48:03,629 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,629 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,629 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,629 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,658 INFO L101 BaseMinimizeStates]: Removed 36 edges and 12 locations by large block encoding [2024-09-11 20:48:03,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,658 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,659 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,661 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,671 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:48:03,672 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,672 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,672 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,672 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,682 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-09-11 20:48:03,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,683 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,683 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,683 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,684 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,685 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,693 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:03,693 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,694 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,694 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,694 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,696 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:03,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,696 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,696 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,696 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,697 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,699 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:03,709 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-11 20:48:03,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,710 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,710 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,739 INFO L101 BaseMinimizeStates]: Removed 40 edges and 13 locations by large block encoding [2024-09-11 20:48:03,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,742 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,752 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:03,753 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,753 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,754 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:03,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,754 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,754 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,754 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,754 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,756 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:03,764 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:03,764 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:03,764 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:03,765 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:03,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:03,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,770 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:03,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:03,770 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:03,770 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:03,771 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:03,771 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:03,773 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:03,775 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:03,776 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a425719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:03, skipping insertion in model container [2024-09-11 20:48:03,776 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:03,777 INFO L158 Benchmark]: Toolchain (without parser) took 1994.63ms. Allocated memory is still 218.1MB. Free memory was 142.4MB in the beginning and 120.6MB in the end (delta: 21.8MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:03,779 INFO L158 Benchmark]: Witness Parser took 0.45ms. Allocated memory is still 109.1MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:03,779 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:03,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.76ms. Allocated memory is still 218.1MB. Free memory was 142.2MB in the beginning and 128.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:03,780 INFO L158 Benchmark]: Boogie Preprocessor took 79.73ms. Allocated memory is still 218.1MB. Free memory was 128.3MB in the beginning and 126.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:48:03,781 INFO L158 Benchmark]: RCFGBuilder took 662.53ms. Allocated memory is still 218.1MB. Free memory was 126.3MB in the beginning and 171.8MB in the end (delta: -45.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:03,782 INFO L158 Benchmark]: Referee took 941.21ms. Allocated memory is still 218.1MB. Free memory was 171.8MB in the beginning and 120.6MB in the end (delta: 51.2MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:03,783 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 32 to loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 32. 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 32 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 51. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 35. 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 32 to check that procedure precondition always holds at line 50. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.45ms. Allocated memory is still 109.1MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.76ms. Allocated memory is still 218.1MB. Free memory was 142.2MB in the beginning and 128.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.73ms. Allocated memory is still 218.1MB. Free memory was 128.3MB in the beginning and 126.3MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 662.53ms. Allocated memory is still 218.1MB. Free memory was 126.3MB in the beginning and 171.8MB in the end (delta: -45.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 941.21ms. Allocated memory is still 218.1MB. Free memory was 171.8MB in the beginning and 120.6MB in the end (delta: 51.2MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:03,801 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/cohencu-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:05,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:05,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:05,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:05,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:05,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:05,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:05,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:05,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:05,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:05,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:05,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:05,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:05,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:05,862 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:05,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:05,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:05,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:05,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:05,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:05,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:05,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:05,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:05,864 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:05,864 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:05,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:05,864 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:05,864 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:05,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:05,865 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:05,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:05,865 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:05,865 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:05,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:05,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:05,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:05,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:05,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:05,873 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:05,874 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:05,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:05,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:05,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:05,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:05,875 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:05,875 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:06,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:06,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:06,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:06,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:06,181 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:06,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/cohencu-ll.c [2024-09-11 20:48:07,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:07,783 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:07,784 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/cohencu-ll.c [2024-09-11 20:48:07,792 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8a018e0ba/067e65a5472f466497a5730ca01fb0f7/FLAG995269ffb [2024-09-11 20:48:07,807 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8a018e0ba/067e65a5472f466497a5730ca01fb0f7 [2024-09-11 20:48:07,809 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:07,809 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:07,810 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohencu-ll.yml/witness-2.1.yml [2024-09-11 20:48:07,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:07,852 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:07,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:07,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:07,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:07,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:07" (1/2) ... [2024-09-11 20:48:07,861 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e4303e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:07, skipping insertion in model container [2024-09-11 20:48:07,861 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:07" (1/2) ... [2024-09-11 20:48:07,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45d32a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:07, skipping insertion in model container [2024-09-11 20:48:07,862 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 08:48:07" (2/2) ... [2024-09-11 20:48:07,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e4303e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:07, skipping insertion in model container [2024-09-11 20:48:07,864 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 08:48:07" (2/2) ... [2024-09-11 20:48:07,869 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:07,870 INFO L1541 ArrayList]: Loop invariant at [L32-L45] (((((((__int128) x * z) == (((__int128) x * 12) + (6 * ((__int128) a * x)))) || (n < (a + 1))) && (((((__int128) y * z) + 6) + ((__int128) z * z)) == ((((__int128) z * 4) + ((__int128) x * 18)) + ((__int128) y * 24)))) && (z == (6 + ((__int128) 6 * n)))) && (((__int128) 2 * y) == (((__int128) n * z) + 2))) [2024-09-11 20:48:07,871 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:07,884 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:08,024 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/cohencu-ll.c[588,601] [2024-09-11 20:48:08,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:08,065 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:08,094 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/cohencu-ll.c[588,601] Start Parsing Local [2024-09-11 20:48:08,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:08,137 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:08,138 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:08 WrapperNode [2024-09-11 20:48:08,138 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:08,139 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:08,139 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:08,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:08,148 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,149 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,155 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,171 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:08,171 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,171 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,180 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,182 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,183 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,184 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:08,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:08,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:08,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:08,187 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 08:48:08" (1/1) ... [2024-09-11 20:48:08,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:08,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:08,210 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 20:48:08,223 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 20:48:08,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:08,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:08,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:08,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-09-11 20:48:08,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:08,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:08,331 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:08,333 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:16,822 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:16,945 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:16,946 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:16,961 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:16,961 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:16,962 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:16 BoogieIcfgContainer [2024-09-11 20:48:16,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:16,962 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:16,962 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:16,963 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:16,963 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:07" (1/4) ... [2024-09-11 20:48:16,963 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3418364d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:16, skipping insertion in model container [2024-09-11 20:48:16,964 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 08:48:07" (2/4) ... [2024-09-11 20:48:16,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3418364d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:16, skipping insertion in model container [2024-09-11 20:48:16,964 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 08:48:08" (3/4) ... [2024-09-11 20:48:16,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3418364d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:16, skipping insertion in model container [2024-09-11 20:48:16,964 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 08:48:16" (4/4) ... [2024-09-11 20:48:16,965 INFO L79 RefereeObserver]: Analyzing ICFG cohencu-ll.c [2024-09-11 20:48:16,968 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:16,968 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:16,969 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:48:16,969 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:16,969 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:16,969 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-11 20:48:16,969 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:48:16,969 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-11 20:48:16,970 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:16,970 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:48:16,970 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-11 20:48:16,970 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:48:16,970 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 20:48:16,984 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 16 edges. [2024-09-11 20:48:16,984 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 20:48:16,984 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:16,985 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:48:17,050 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:17,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:17,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:17,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:17,053 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:17,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:17,116 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:17,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:17,118 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:17,118 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:17,118 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:17,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:21,923 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:22,173 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:48:22,173 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:22,173 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:22,173 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:22,174 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:22,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:22,179 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:48:22,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:22,179 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:22,179 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:22,179 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:22,180 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:22,183 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:22,198 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:22,199 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:22,199 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:22,199 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:22,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:22,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:22,219 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:22,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:22,219 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:22,219 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:22,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:22,220 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:26,520 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:26,647 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:26,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:26,648 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:26,648 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:26,648 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:26,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,653 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:26,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:26,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:26,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:26,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:26,653 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:30,420 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:30,529 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-11 20:48:30,529 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:30,529 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:30,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:30,530 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:30,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,564 INFO L101 BaseMinimizeStates]: Removed 32 edges and 11 locations by large block encoding [2024-09-11 20:48:30,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:30,564 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:30,564 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:30,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:30,572 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:34,934 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:35,113 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:35,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:35,113 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:35,113 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:35,113 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:35,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:35,137 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:35,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:35,137 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:35,138 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:35,138 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:35,138 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,662 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:39,801 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-11 20:48:39,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,804 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,804 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,804 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,846 INFO L101 BaseMinimizeStates]: Removed 28 edges and 10 locations by large block encoding [2024-09-11 20:48:39,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,867 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:44,232 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:44,395 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:44,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:44,399 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:44,401 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:44,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:44,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,417 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:44,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:44,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:44,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:44,418 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:48,721 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:48,840 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:48:48,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:48,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:48,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:48,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:48,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,859 INFO L101 BaseMinimizeStates]: Removed 24 edges and 9 locations by large block encoding [2024-09-11 20:48:48,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:48,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:48,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:48,864 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:53,189 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:53,332 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-11 20:48:53,332 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:53,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:53,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:53,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:53,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,357 INFO L101 BaseMinimizeStates]: Removed 36 edges and 12 locations by large block encoding [2024-09-11 20:48:53,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,358 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:53,358 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:53,358 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:53,358 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:53,359 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:53,367 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:48:53,368 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:53,368 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:53,368 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:53,368 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:53,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,387 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-09-11 20:48:53,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:53,387 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:53,387 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:53,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:53,389 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:53,397 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:53,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:53,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:53,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:53,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:53,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,400 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:53,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,400 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:53,401 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:53,401 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:53,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:53,404 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:53,414 INFO L314 BlockEncoder]: Initial Icfg 15 locations, 16 edges [2024-09-11 20:48:53,414 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:53,414 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:53,414 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:53,416 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:53,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,442 INFO L101 BaseMinimizeStates]: Removed 40 edges and 13 locations by large block encoding [2024-09-11 20:48:53,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,442 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:53,442 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:53,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:53,443 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:53,444 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:53,462 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:53,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:53,463 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:53,463 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:53,463 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:53,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,464 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:53,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,464 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:53,464 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:53,464 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:53,464 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:53,466 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:53,474 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:53,475 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:53,475 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:53,475 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:53,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:53,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,481 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:53,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,482 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:53,482 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:53,482 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:53,483 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:57,756 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:57,887 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:48:57,890 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3418364d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:57, skipping insertion in model container [2024-09-11 20:48:57,890 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:57,892 INFO L158 Benchmark]: Toolchain (without parser) took 50038.80ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 32.1MB in the beginning and 48.7MB in the end (delta: -16.6MB). Peak memory consumption was 43.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:57,893 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 33.9MB in the beginning and 33.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:57,894 INFO L158 Benchmark]: Witness Parser took 0.07ms. Allocated memory is still 58.7MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:57,894 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.76ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 32.0MB in the beginning and 66.9MB in the end (delta: -34.9MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:57,895 INFO L158 Benchmark]: Boogie Preprocessor took 46.85ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 64.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:57,896 INFO L158 Benchmark]: RCFGBuilder took 8775.44ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 38.9MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-11 20:48:57,896 INFO L158 Benchmark]: Referee took 40928.12ms. Allocated memory is still 92.3MB. Free memory was 38.9MB in the beginning and 48.7MB in the end (delta: -9.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:57,899 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 32 to check that procedure precondition always holds at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 47. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 32 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 32 to check that procedure precondition always holds at line 33. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 49. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 50. 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 32 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 51. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 33.9MB in the beginning and 33.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.07ms. Allocated memory is still 58.7MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.76ms. Allocated memory was 58.7MB in the beginning and 92.3MB in the end (delta: 33.6MB). Free memory was 32.0MB in the beginning and 66.9MB in the end (delta: -34.9MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.85ms. Allocated memory is still 92.3MB. Free memory was 66.9MB in the beginning and 64.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 8775.44ms. Allocated memory is still 92.3MB. Free memory was 64.5MB in the beginning and 38.9MB in the end (delta: 25.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 40928.12ms. Allocated memory is still 92.3MB. Free memory was 38.9MB in the beginning and 48.7MB in the end (delta: -9.8MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:58,119 WARN L435 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-09-11 20:48:58,124 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN