./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound5.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound5.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 [2024-09-12 16:49:41,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:49:41,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:49:41,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:49:41,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:49:41,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:49:41,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:49:41,310 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:49:41,310 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:49:41,311 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:49:41,311 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:49:41,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:49:41,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:49:41,315 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:49:41,315 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:49:41,315 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:49:41,316 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:49:41,316 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:49:41,316 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:49:41,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:49:41,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:49:41,321 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:49:41,322 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:49:41,322 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:49:41,322 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:49:41,322 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:49:41,323 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:49:41,323 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:49:41,323 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:49:41,323 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:49:41,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:49:41,324 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:49:41,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:41,324 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:49:41,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:49:41,325 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:49:41,325 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:49:41,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:49:41,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:49:41,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:49:41,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:49:41,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:49:41,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:49:41,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:49:41,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:49:41,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:49:41,626 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:49:41,627 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:49:41,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound5.yml/witness-2.1.yml [2024-09-12 16:49:41,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:49:41,679 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:49:41,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound5.c [2024-09-12 16:49:43,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:49:43,248 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:49:43,249 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound5.c [2024-09-12 16:49:43,257 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2d10197d6/1be75639af2c4b46a97e4cbdeb0566f1/FLAG39e5402d0 [2024-09-12 16:49:43,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2d10197d6/1be75639af2c4b46a97e4cbdeb0566f1 [2024-09-12 16:49:43,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:49:43,641 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:49:43,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:43,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:49:43,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:49:43,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:41" (1/2) ... [2024-09-12 16:49:43,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414b4bec and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:43, skipping insertion in model container [2024-09-12 16:49:43,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:41" (1/2) ... [2024-09-12 16:49:43,650 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4506cef and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:49:43, skipping insertion in model container [2024-09-12 16:49:43,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:43" (2/2) ... [2024-09-12 16:49:43,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414b4bec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43, skipping insertion in model container [2024-09-12 16:49:43,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:49:43" (2/2) ... [2024-09-12 16:49:43,662 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:49:43,662 INFO L1541 ArrayList]: Loop invariant at [L47-L59] (((((((__int128) q * y) + r) == x) && (1 <= r)) && (((((__int128) q * y) + r) + ((__int128) a * y)) == (b + x))) && (1 <= y)) [2024-09-12 16:49:43,662 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((__int128) q * y) + r) == x) && (((((__int128) q * y) + r) + ((__int128) a * y)) == (b + x))) && (1 <= y)) [2024-09-12 16:49:43,663 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-12 16:49:43,663 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 16:49:43,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:49:43,824 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound5.c[576,589] [2024-09-12 16:49:43,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:43,848 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:49:43,888 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound5.c[576,589] Start Parsing Local Start Parsing Local [2024-09-12 16:49:43,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:49:43,926 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:49:43,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43 WrapperNode [2024-09-12 16:49:43,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:49:43,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:49:43,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:49:43,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:49:43,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (1/1) ... [2024-09-12 16:49:43,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (1/1) ... [2024-09-12 16:49:43,953 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (1/1) ... [2024-09-12 16:49:43,967 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 16:49:43,971 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (1/1) ... [2024-09-12 16:49:43,971 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (1/1) ... [2024-09-12 16:49:43,979 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (1/1) ... [2024-09-12 16:49:43,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (1/1) ... [2024-09-12 16:49:43,986 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (1/1) ... [2024-09-12 16:49:43,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (1/1) ... [2024-09-12 16:49:43,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:49:43,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:49:43,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:49:43,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:49:43,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (1/1) ... [2024-09-12 16:49:44,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:49:44,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:49:44,029 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) [2024-09-12 16:49:44,034 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 [2024-09-12 16:49:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:49:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:49:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:49:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:49:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:49:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:49:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:49:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:49:44,078 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:49:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:49:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 16:49:44,079 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:49:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:49:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:49:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:49:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:49:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:49:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:49:44,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:49:44,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:49:44,148 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:49:44,150 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:49:44,374 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:49:44,428 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-12 16:49:44,429 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:49:44,457 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:49:44,458 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:49:44,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:44 BoogieIcfgContainer [2024-09-12 16:49:44,458 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:49:44,459 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:49:44,459 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:49:44,460 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:49:44,461 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 04:49:41" (1/4) ... [2024-09-12 16:49:44,462 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@555ecfa1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:49:44, skipping insertion in model container [2024-09-12 16:49:44,462 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:49:43" (2/4) ... [2024-09-12 16:49:44,463 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@555ecfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:44, skipping insertion in model container [2024-09-12 16:49:44,463 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:49:43" (3/4) ... [2024-09-12 16:49:44,463 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@555ecfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:49:44, skipping insertion in model container [2024-09-12 16:49:44,463 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:49:44" (4/4) ... [2024-09-12 16:49:44,465 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound5.c [2024-09-12 16:49:44,469 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:49:44,470 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:44,470 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 16:49:44,471 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:44,471 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 16:49:44,471 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:49:44,471 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:44,472 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-12 16:49:44,472 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-12 16:49:44,472 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:49:44,472 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 16:49:44,472 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:44,472 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:49:44,473 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:49:44,473 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 16:49:44,473 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-12 16:49:44,524 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:49:44,525 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,525 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,526 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,527 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,543 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:49:44,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,545 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,546 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,549 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:44,568 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:44,609 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-12 16:49:44,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,632 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-12 16:49:44,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,632 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,633 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,633 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,634 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:44,638 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:44,661 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:49:44,662 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,662 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,662 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,662 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,668 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:49:44,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:44,672 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:44,689 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 16:49:44,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,690 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,690 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,690 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,710 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 16:49:44,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,711 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,711 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,711 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,711 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:44,718 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:44,743 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:49:44,744 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,745 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,745 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,745 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,753 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:49:44,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,756 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,756 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,756 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,756 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:44,758 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:44,773 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:44,773 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,774 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,774 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,774 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,778 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:44,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,779 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,779 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,779 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,779 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:44,782 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:44,797 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 16:49:44,798 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,798 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,799 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,799 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,818 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 16:49:44,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,819 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,820 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:44,824 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:44,836 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 16:49:44,836 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,837 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,837 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,837 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,847 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 16:49:44,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,849 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,849 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:44,851 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:44,887 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 16:49:44,887 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,888 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,888 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,888 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,904 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 16:49:44,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,904 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,904 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,905 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,905 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:44,909 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:44,921 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-12 16:49:44,921 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,921 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,922 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,922 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,947 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-12 16:49:44,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,949 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,949 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,952 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:44,971 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:49:44,985 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:44,985 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:44,985 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:44,985 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:44,986 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:44,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,993 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:44,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:44,996 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:44,996 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:44,996 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:44,996 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:45,000 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:45,011 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:49:45,011 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:45,011 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:45,012 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:45,012 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:45,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:45,018 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:49:45,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:45,019 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:45,019 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:45,019 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:45,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:45,021 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:49:45,030 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:49:45,030 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:45,031 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:45,031 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:45,031 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:45,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:45,034 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:49:45,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:45,035 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:45,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:45,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:45,036 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:45,038 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:49:45,048 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:49:45,049 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:49:45,049 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:49:45,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:49:45,050 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:49:45,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:45,051 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:49:45,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:49:45,051 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:49:45,051 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:49:45,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:49:45,052 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:49:45,054 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:49:45,057 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 16:49:45,058 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@555ecfa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:49:45, skipping insertion in model container [2024-09-12 16:49:45,058 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:49:45,060 INFO L158 Benchmark]: Toolchain (without parser) took 1418.26ms. Allocated memory is still 184.5MB. Free memory was 128.5MB in the beginning and 130.8MB in the end (delta: -2.3MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2024-09-12 16:49:45,060 INFO L158 Benchmark]: Witness Parser took 1.01ms. Allocated memory is still 184.5MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:45,060 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 184.5MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:49:45,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.79ms. Allocated memory is still 184.5MB. Free memory was 127.7MB in the beginning and 114.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 16:49:45,063 INFO L158 Benchmark]: Boogie Preprocessor took 63.88ms. Allocated memory is still 184.5MB. Free memory was 114.4MB in the beginning and 112.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:45,064 INFO L158 Benchmark]: RCFGBuilder took 466.23ms. Allocated memory is still 184.5MB. Free memory was 112.3MB in the beginning and 95.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 16:49:45,064 INFO L158 Benchmark]: Referee took 599.02ms. Allocated memory is still 184.5MB. Free memory was 95.5MB in the beginning and 130.8MB in the end (delta: -35.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-12 16:49:45,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. 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 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 47. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.01ms. Allocated memory is still 184.5MB. Free memory is still 151.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.53ms. Allocated memory is still 184.5MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.79ms. Allocated memory is still 184.5MB. Free memory was 127.7MB in the beginning and 114.4MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.88ms. Allocated memory is still 184.5MB. Free memory was 114.4MB in the beginning and 112.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 466.23ms. Allocated memory is still 184.5MB. Free memory was 112.3MB in the beginning and 95.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 599.02ms. Allocated memory is still 184.5MB. Free memory was 95.5MB in the beginning and 130.8MB in the end (delta: -35.3MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:49:45,100 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE