./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound20.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-5189fb6-m [2024-09-13 05:05:51,882 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:05:51,928 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:05:51,933 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:05:51,933 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:05:51,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:05:51,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:05:51,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:05:51,957 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:05:51,958 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:05:51,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:05:51,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:05:51,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:05:51,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:05:51,959 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:05:51,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:05:51,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:05:51,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:05:51,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:05:51,962 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:05:51,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:05:51,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:05:51,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:05:51,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:05:51,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:05:51,964 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:05:51,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:05:51,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:05:51,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:05:51,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:05:51,965 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:05:51,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:05:51,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:05:51,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:51,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:05:51,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:05:51,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:05:51,966 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:05:51,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:05:51,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:05:51,966 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:05:51,967 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:05:51,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:05:51,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:05:52,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:05:52,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:05:52,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:05:52,223 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:05:52,223 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:05:52,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound20.yml/witness-2.1.yml [2024-09-13 05:05:52,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:05:52,265 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:05:52,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2024-09-13 05:05:53,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:05:53,758 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:05:53,759 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2024-09-13 05:05:53,766 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7571ce1c3/c95d6f2c500d41cd942d2731e573c6b2/FLAGc8967f848 [2024-09-13 05:05:54,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7571ce1c3/c95d6f2c500d41cd942d2731e573c6b2 [2024-09-13 05:05:54,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:05:54,175 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:05:54,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:54,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:05:54,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:05:54,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:52" (1/2) ... [2024-09-13 05:05:54,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234fe8e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:54, skipping insertion in model container [2024-09-13 05:05:54,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:52" (1/2) ... [2024-09-13 05:05:54,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30b07271 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:54, skipping insertion in model container [2024-09-13 05:05:54,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:54" (2/2) ... [2024-09-13 05:05:54,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234fe8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54, skipping insertion in model container [2024-09-13 05:05:54,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:54" (2/2) ... [2024-09-13 05:05:54,195 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:05:54,196 INFO L1541 ArrayList]: Loop invariant at [L37-L61] ((((((((__int128) q * y) + r) + ((__int128) a * y)) == (b + x)) && (\old(counter) == 0)) && (1 <= y)) && (b == ((__int128) a * y))) [2024-09-13 05:05:54,196 INFO L1541 ArrayList]: Loop invariant at [L46-L58] (((((1 <= r) && (((((__int128) q * y) + r) + ((__int128) a * y)) == (b + x))) && (\old(counter) == 0)) && (1 <= y)) && (b == ((__int128) a * y))) [2024-09-13 05:05:54,197 INFO L1541 ArrayList]: Function contract at [L23]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:05:54,197 INFO L1541 ArrayList]: Function contract at [L11]: requires (counter == 0), ensures ((\old(cond) != 0) && (counter == 0)) [2024-09-13 05:05:54,197 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:05:54,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:05:54,353 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_unwindbound20.c[576,589] [2024-09-13 05:05:54,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:54,383 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:05:54,412 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_unwindbound20.c[576,589] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 05:05:54,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:54,434 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:05:54,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54 WrapperNode [2024-09-13 05:05:54,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:54,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:05:54,436 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:05:54,436 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:05:54,445 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (1/1) ... [2024-09-13 05:05:54,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (1/1) ... [2024-09-13 05:05:54,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (1/1) ... [2024-09-13 05:05:54,463 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 [2024-09-13 05:05:54,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (1/1) ... [2024-09-13 05:05:54,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (1/1) ... [2024-09-13 05:05:54,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (1/1) ... [2024-09-13 05:05:54,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (1/1) ... [2024-09-13 05:05:54,475 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (1/1) ... [2024-09-13 05:05:54,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (1/1) ... [2024-09-13 05:05:54,477 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:05:54,478 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:05:54,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:05:54,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:05:54,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (1/1) ... [2024-09-13 05:05:54,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:54,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:05:54,503 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) [2024-09-13 05:05:54,505 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 [2024-09-13 05:05:54,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:05:54,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:05:54,544 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:05:54,544 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:05:54,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:05:54,544 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:05:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:05:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:05:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:05:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:05:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:05:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:05:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:05:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:05:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:05:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:05:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:05:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:05:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:05:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:05:54,601 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:05:54,602 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:05:54,632 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:05:54,669 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:05:54,776 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:05:54,787 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:05:54,812 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:05:54,812 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:05:54,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:54 BoogieIcfgContainer [2024-09-13 05:05:54,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:05:54,815 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:05:54,815 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:05:54,816 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:05:54,816 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:52" (1/4) ... [2024-09-13 05:05:54,816 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5acc328f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:05:54, skipping insertion in model container [2024-09-13 05:05:54,816 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:05:54" (2/4) ... [2024-09-13 05:05:54,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5acc328f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:54, skipping insertion in model container [2024-09-13 05:05:54,817 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:54" (3/4) ... [2024-09-13 05:05:54,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5acc328f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:54, skipping insertion in model container [2024-09-13 05:05:54,817 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:54" (4/4) ... [2024-09-13 05:05:54,818 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_unwindbound20.c [2024-09-13 05:05:54,821 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:05:54,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:05:54,822 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:05:54,822 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-13 05:05:54,822 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:05:54,822 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:05:54,822 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:05:54,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:05:54,823 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-13 05:05:54,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:05:54,823 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:05:54,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:54,823 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:05:54,823 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:05:54,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:05:54,824 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr10ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-13 05:05:54,824 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:54,824 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:05:54,824 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-13 05:05:54,863 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:05:54,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:54,864 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:54,864 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:54,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:54,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:54,875 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:05:54,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:54,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:54,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:54,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:54,879 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:54,891 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:54,911 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:05:54,912 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:54,913 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:54,913 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:54,913 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:54,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:54,923 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:05:54,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:54,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:54,924 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:54,924 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:54,924 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:54,926 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:54,938 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-13 05:05:54,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:54,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:54,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:54,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:54,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:54,948 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-13 05:05:54,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:54,948 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:54,948 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:54,948 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:54,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:54,952 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:54,963 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 05:05:54,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:54,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:54,964 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:54,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:54,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:54,980 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 05:05:54,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:54,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:54,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:54,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:54,981 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:54,984 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:54,997 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:05:54,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:54,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:54,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:54,998 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:54,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,005 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:05:55,006 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,006 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,006 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,006 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,006 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,012 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:55,020 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 05:05:55,020 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,020 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,020 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,020 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,030 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 05:05:55,030 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,031 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,031 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,031 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,031 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,035 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:55,043 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:05:55,043 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,043 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,043 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,043 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,047 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:05:55,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,048 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,048 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,048 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,048 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,051 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:55,061 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-13 05:05:55,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,062 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,063 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,078 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-13 05:05:55,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,079 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,079 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,083 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,087 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:55,098 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:05:55,098 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,098 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,099 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,099 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,100 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:05:55,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,100 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,101 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,101 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,101 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,103 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:55,110 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:05:55,110 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,110 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,111 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,111 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,122 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:05:55,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,123 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,123 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,123 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,125 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:55,133 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:55,134 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,134 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,134 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,134 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,135 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:55,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,136 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,136 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,136 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,136 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,137 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:55,145 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:05:55,145 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,145 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,145 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,145 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,153 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:05:55,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,154 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,154 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,154 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,154 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,157 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:55,167 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:05:55,167 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,168 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,168 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,168 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,182 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:05:55,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,183 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,184 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,184 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,188 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:55,194 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:05:55,195 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,195 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,195 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,195 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,197 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:05:55,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,197 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,199 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:55,206 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-13 05:05:55,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,207 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,207 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,207 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,219 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-13 05:05:55,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,220 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,220 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,221 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,222 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr10ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:55,251 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:55,251 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,251 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,251 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,251 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,252 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:55,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,252 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,253 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,253 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,253 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,256 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:05:55,267 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:05:55,282 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:55,282 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:55,282 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:55,282 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:55,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,289 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:05:55,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:55,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:55,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:55,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:55,290 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:55,298 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:55,301 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:05:55,302 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5acc328f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:05:55, skipping insertion in model container [2024-09-13 05:05:55,302 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:05:55,305 INFO L158 Benchmark]: Toolchain (without parser) took 1127.35ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 121.7MB in the end (delta: -525.9kB). Peak memory consumption was 81.3MB. Max. memory is 16.1GB. [2024-09-13 05:05:55,305 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:55,305 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:55,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.82ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 106.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:55,306 INFO L158 Benchmark]: Boogie Preprocessor took 41.68ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:05:55,306 INFO L158 Benchmark]: RCFGBuilder took 334.56ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 120.8MB in the end (delta: -16.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:05:55,306 INFO L158 Benchmark]: Referee took 486.72ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 121.7MB in the end (delta: -861.5kB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. [2024-09-13 05:05:55,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 46. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 113.2MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.82ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 106.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.68ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 104.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.56ms. Allocated memory is still 159.4MB. Free memory was 104.4MB in the beginning and 120.8MB in the end (delta: -16.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 486.72ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 121.7MB in the end (delta: -861.5kB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:05:55,333 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