./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound20.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/fermat2-ll_valuebound20.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound20.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:09:34,153 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:09:34,206 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:09:34,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:09:34,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:09:34,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:09:34,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:09:34,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:09:34,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:09:34,239 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:09:34,239 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:09:34,240 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:09:34,240 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:09:34,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:09:34,240 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:09:34,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:09:34,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:09:34,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:09:34,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:09:34,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:09:34,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:09:34,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:09:34,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:09:34,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:09:34,243 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:09:34,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:09:34,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:09:34,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:09:34,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:09:34,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:09:34,245 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:09:34,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:09:34,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:09:34,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:34,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:09:34,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:09:34,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:09:34,246 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:09:34,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:09:34,246 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:09:34,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:09:34,247 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:09:34,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:09:34,248 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:09:34,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:09:34,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:09:34,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:09:34,454 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:09:34,454 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:09:34,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound20.c [2024-09-21 19:09:35,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:09:35,772 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:09:35,774 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound20.c [2024-09-21 19:09:35,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f0c4eee45/4d7b263f972e47768bde9243d5d07fcc/FLAG3e0ede39c [2024-09-21 19:09:36,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f0c4eee45/4d7b263f972e47768bde9243d5d07fcc [2024-09-21 19:09:36,199 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:09:36,200 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:09:36,200 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound20.yml/output/witness-2.1.yml [2024-09-21 19:09:36,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:09:36,244 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:09:36,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:36,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:09:36,249 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:09:36,250 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:36" (1/2) ... [2024-09-21 19:09:36,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9daed22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:36, skipping insertion in model container [2024-09-21 19:09:36,252 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:09:36" (1/2) ... [2024-09-21 19:09:36,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fc86f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:09:36, skipping insertion in model container [2024-09-21 19:09:36,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:09:36" (2/2) ... [2024-09-21 19:09:36,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9daed22 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36, skipping insertion in model container [2024-09-21 19:09:36,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:09:36" (2/2) ... [2024-09-21 19:09:36,261 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:09:36,262 INFO L1541 ArrayList]: Loop invariant at [L35-L46] 1 [2024-09-21 19:09:36,264 INFO L1541 ArrayList]: Function contract at [L5]: requires 1, ensures 1 [2024-09-21 19:09:36,264 INFO L1541 ArrayList]: Function contract at [L11]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:36,264 INFO L1541 ArrayList]: Function contract at [L19]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:36,264 INFO L1541 ArrayList]: Function contract at [L8]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:09:36,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:09:36,425 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound20.c[524,537] [2024-09-21 19:09:36,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:36,461 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:09:36,495 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound20.c[524,537] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:09:36,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:09:36,518 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:09:36,519 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36 WrapperNode [2024-09-21 19:09:36,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:09:36,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:09:36,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:09:36,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:09:36,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (1/1) ... [2024-09-21 19:09:36,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (1/1) ... [2024-09-21 19:09:36,535 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (1/1) ... [2024-09-21 19:09:36,545 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:09:36,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (1/1) ... [2024-09-21 19:09:36,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (1/1) ... [2024-09-21 19:09:36,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (1/1) ... [2024-09-21 19:09:36,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (1/1) ... [2024-09-21 19:09:36,556 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (1/1) ... [2024-09-21 19:09:36,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (1/1) ... [2024-09-21 19:09:36,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:09:36,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:09:36,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:09:36,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:09:36,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (1/1) ... [2024-09-21 19:09:36,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:09:36,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:09:36,583 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) [2024-09-21 19:09:36,586 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 [2024-09-21 19:09:36,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:09:36,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:09:36,621 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:09:36,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:09:36,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:09:36,622 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:09:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:09:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:09:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:09:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:09:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:09:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:09:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:09:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:09:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:09:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:09:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:09:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:09:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:09:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:09:36,687 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:09:36,691 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:09:36,694 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:36,710 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:36,729 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:36,795 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:09:36,810 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:09:36,842 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:09:36,842 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:09:36,843 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:09:36 BoogieIcfgContainer [2024-09-21 19:09:36,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:09:36,844 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:09:36,844 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:09:36,845 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:09:36,845 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:09:36" (1/4) ... [2024-09-21 19:09:36,845 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54ef3c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:09:36, skipping insertion in model container [2024-09-21 19:09:36,845 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:09:36" (2/4) ... [2024-09-21 19:09:36,846 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54ef3c07 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:09:36, skipping insertion in model container [2024-09-21 19:09:36,846 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:09:36" (3/4) ... [2024-09-21 19:09:36,846 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54ef3c07 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:09:36, skipping insertion in model container [2024-09-21 19:09:36,847 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:09:36" (4/4) ... [2024-09-21 19:09:36,848 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound20.c [2024-09-21 19:09:36,850 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:09:36,851 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:36,851 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:09:36,852 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:09:36,852 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:09:36,852 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:36,852 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:09:36,852 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 19:09:36,853 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 19:09:36,853 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:09:36,854 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:09:36,854 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:09:36,854 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:09:36,854 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:09:36,854 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:09:36,854 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 9 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-21 19:09:36,898 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:09:36,900 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:36,900 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:36,901 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:36,901 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:36,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:36,910 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:09:36,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:36,911 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:36,912 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:36,912 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:36,915 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:36,929 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:36,943 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:09:36,944 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:36,944 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:36,945 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:36,945 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:36,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:36,946 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:09:36,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:36,947 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:36,947 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:36,948 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:36,948 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:36,949 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:36,961 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:09:36,962 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:36,962 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:36,962 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:36,962 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:36,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:36,965 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:09:36,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:36,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:36,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:36,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:36,966 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:36,969 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:36,978 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:36,979 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:36,979 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:36,979 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:36,979 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:36,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:36,979 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:36,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:36,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:36,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:36,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:36,980 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:36,982 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:36,999 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:09:36,999 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:36,999 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:36,999 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:36,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:36,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,002 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:09:37,006 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,006 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:37,006 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:37,007 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:37,007 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:37,008 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:37,020 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:37,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:37,021 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:37,021 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:37,021 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:37,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,024 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:37,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,024 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:37,024 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:37,024 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:37,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:37,026 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:37,036 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 19:09:37,036 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:37,036 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:37,037 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:37,037 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:37,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,046 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 19:09:37,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,047 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:37,047 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:37,047 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:37,047 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:37,048 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:09:37,057 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 19:09:37,057 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:37,057 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:37,057 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:37,057 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:37,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,060 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 19:09:37,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,060 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:37,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:37,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:37,061 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:37,063 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:09:37,068 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:09:37,068 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:37,068 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:37,068 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:37,068 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:37,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,071 INFO L101 BaseMinimizeStates]: Removed 20 edges and 6 locations by large block encoding [2024-09-21 19:09:37,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:37,071 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:37,071 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:37,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:37,073 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:37,078 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 19:09:37,078 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:37,078 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:37,078 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:37,078 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:37,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,080 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:09:37,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,080 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:37,080 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:37,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:37,081 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:37,082 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:37,086 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:09:37,086 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:37,086 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:37,087 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:37,087 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:37,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,088 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:09:37,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,088 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:37,088 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:37,088 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:37,088 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:37,090 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:37,095 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:09:37,095 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:37,095 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:37,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:37,095 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:37,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,096 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:09:37,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,097 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:37,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:37,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:37,097 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:37,098 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:09:37,103 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:09:37,103 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:37,103 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:37,103 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:37,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:37,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,104 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:09:37,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:37,104 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:37,104 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:37,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:37,116 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:09:37,116 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:09:37,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:09:37,116 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:09:37,116 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:09:37,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,121 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:09:37,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:09:37,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:09:37,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:09:37,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:09:37,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:09:37,123 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:09:37,129 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:09:37,130 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54ef3c07 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:09:37, skipping insertion in model container [2024-09-21 19:09:37,130 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:09:37,131 INFO L158 Benchmark]: Toolchain (without parser) took 887.24ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 65.9MB in the beginning and 113.1MB in the end (delta: -47.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-09-21 19:09:37,131 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:37,132 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 138.4MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:09:37,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.37ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 65.6MB in the beginning and 162.4MB in the end (delta: -96.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-09-21 19:09:37,133 INFO L158 Benchmark]: Boogie Preprocessor took 38.80ms. Allocated memory is still 192.9MB. Free memory was 162.4MB in the beginning and 160.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:09:37,133 INFO L158 Benchmark]: RCFGBuilder took 284.19ms. Allocated memory is still 192.9MB. Free memory was 160.3MB in the beginning and 146.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:09:37,135 INFO L158 Benchmark]: Referee took 285.94ms. Allocated memory is still 192.9MB. Free memory was 146.6MB in the beginning and 113.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-21 19:09:37,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. 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 entry of procedure reach_error to exit of procedure reach_error. 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 check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 138.4MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 138.4MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.37ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 65.6MB in the beginning and 162.4MB in the end (delta: -96.8MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.80ms. Allocated memory is still 192.9MB. Free memory was 162.4MB in the beginning and 160.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.19ms. Allocated memory is still 192.9MB. Free memory was 160.3MB in the beginning and 146.6MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 285.94ms. Allocated memory is still 192.9MB. Free memory was 146.6MB in the beginning and 113.1MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:09:37,160 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE