./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.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/divbin2_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.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 05:06:06,105 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:06,163 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:06:06,168 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:06,169 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:06,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:06,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:06,185 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:06,185 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:06,186 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:06,186 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:06,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:06,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:06,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:06,187 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:06,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:06,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:06,188 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:06,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:06:06,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:06,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:06,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:06,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:06,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:06,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:06,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:06,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:06,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:06,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:06,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:06,192 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:06,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:06,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:06,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:06,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:06,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:06,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:06,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:06:06,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:06:06,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:06,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:06,195 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:06,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:06,195 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:06,394 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:06,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:06,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:06,421 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:06,422 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:06,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-13 05:06:06,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:06,506 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:06,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-13 05:06:07,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:07,842 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:07,843 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-13 05:06:07,848 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/986371f44/ee3c8826862741b1b86f5880a64f0605/FLAG664ef2e54 [2024-09-13 05:06:07,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/986371f44/ee3c8826862741b1b86f5880a64f0605 [2024-09-13 05:06:07,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:07,863 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:07,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:07,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:07,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:07,869 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 05:06:06" (1/2) ... [2024-09-13 05:06:07,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b058d31 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:07, skipping insertion in model container [2024-09-13 05:06:07,869 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 05:06:06" (1/2) ... [2024-09-13 05:06:07,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@521642b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:07, skipping insertion in model container [2024-09-13 05:06:07,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:07" (2/2) ... [2024-09-13 05:06:07,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b058d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:07, skipping insertion in model container [2024-09-13 05:06:07,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:07" (2/2) ... [2024-09-13 05:06:07,880 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:07,880 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-13 05:06:07,880 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-13 05:06:07,881 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= \old(cond))), ensures ((1 <= counter) && (1 <= \old(cond))) [2024-09-13 05:06:07,881 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:06:07,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:08,047 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/divbin2_unwindbound1.i[951,964] [2024-09-13 05:06:08,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:08,067 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:06:08,093 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/divbin2_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 05:06:08,100 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:08,113 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:08,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08 WrapperNode [2024-09-13 05:06:08,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:08,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:08,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:08,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:08,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (1/1) ... [2024-09-13 05:06:08,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (1/1) ... [2024-09-13 05:06:08,130 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (1/1) ... [2024-09-13 05:06:08,137 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:06:08,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (1/1) ... [2024-09-13 05:06:08,141 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (1/1) ... [2024-09-13 05:06:08,145 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (1/1) ... [2024-09-13 05:06:08,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (1/1) ... [2024-09-13 05:06:08,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (1/1) ... [2024-09-13 05:06:08,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (1/1) ... [2024-09-13 05:06:08,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:08,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:08,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:08,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:08,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (1/1) ... [2024-09-13 05:06:08,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:08,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:08,178 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 05:06:08,179 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 05:06:08,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:08,212 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:08,213 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:08,213 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:06:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:06:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:06:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:08,214 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:06:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:06:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:06:08,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:08,267 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:08,269 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:08,308 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:08,402 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:08,413 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:08,429 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:08,429 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:08,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:08 BoogieIcfgContainer [2024-09-13 05:06:08,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:08,430 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:08,430 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:08,431 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:08,431 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 05:06:06" (1/4) ... [2024-09-13 05:06:08,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24c129f1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:08, skipping insertion in model container [2024-09-13 05:06:08,431 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:07" (2/4) ... [2024-09-13 05:06:08,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24c129f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:08, skipping insertion in model container [2024-09-13 05:06:08,432 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:08" (3/4) ... [2024-09-13 05:06:08,432 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24c129f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:08, skipping insertion in model container [2024-09-13 05:06:08,432 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:08" (4/4) ... [2024-09-13 05:06:08,433 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-13 05:06:08,436 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:08,437 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:06:08,437 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:08,437 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:06:08,437 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:06:08,437 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 05:06:08,437 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 05:06:08,437 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 05:06:08,438 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:06:08,438 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:06:08,438 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:06:08,438 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-13 05:06:08,487 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:06:08,488 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:08,488 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:08,489 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:08,489 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:08,491 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,535 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:06:08,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:08,537 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:08,537 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:08,540 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:08,554 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:08,571 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:08,571 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:08,572 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:08,572 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:08,572 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:08,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,576 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:08,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:08,577 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:08,577 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:08,577 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:08,579 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:08,598 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:06:08,599 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:08,599 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:08,599 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:08,599 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:08,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,601 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:06:08,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,603 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:08,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:08,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:08,603 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:08,609 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:08,626 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:08,629 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:08,630 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:08,630 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:08,630 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:08,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,637 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:08,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,637 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:08,637 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:08,637 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:08,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:08,642 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:08,651 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:08,651 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:08,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:08,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:08,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:08,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,652 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:08,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:08,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:08,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:08,653 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:08,655 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:08,670 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:08,670 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:08,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:08,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:08,670 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:08,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,673 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:08,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,674 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:08,674 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:08,674 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:08,675 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:08,676 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:08,688 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:08,688 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:08,688 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:08,689 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:08,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:08,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,691 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:08,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,691 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:08,691 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:08,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:08,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:08,693 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:08,703 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:08,704 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:08,704 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:08,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:08,706 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:08,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,718 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:06:08,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,719 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:08,720 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:08,720 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:08,722 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:08,725 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:08,738 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:06:08,738 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:08,738 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:08,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:08,739 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:08,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,772 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:06:08,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,772 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:08,773 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:08,773 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:08,777 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:08,781 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:08,790 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:06:08,792 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:08,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:08,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:08,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:08,792 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,801 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:06:08,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:08,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:08,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:08,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:08,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:12,807 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:12,812 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:06:12,812 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24c129f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:12, skipping insertion in model container [2024-09-13 05:06:12,812 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:12,814 INFO L158 Benchmark]: Toolchain (without parser) took 4950.07ms. Allocated memory is still 136.3MB. Free memory was 64.2MB in the beginning and 95.3MB in the end (delta: -31.1MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-09-13 05:06:12,814 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:12,814 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 136.3MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:12,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.06ms. Allocated memory is still 136.3MB. Free memory was 64.0MB in the beginning and 97.0MB in the end (delta: -33.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-09-13 05:06:12,815 INFO L158 Benchmark]: Boogie Preprocessor took 35.28ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:12,815 INFO L158 Benchmark]: RCFGBuilder took 278.75ms. Allocated memory is still 136.3MB. Free memory was 94.9MB in the beginning and 80.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:06:12,815 INFO L158 Benchmark]: Referee took 4382.56ms. Allocated memory is still 136.3MB. Free memory was 80.3MB in the beginning and 95.3MB in the end (delta: -15.0MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:12,817 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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 38 to check that procedure precondition always holds at line 39. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 63.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.24ms. Allocated memory is still 136.3MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.06ms. Allocated memory is still 136.3MB. Free memory was 64.0MB in the beginning and 97.0MB in the end (delta: -33.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.28ms. Allocated memory is still 136.3MB. Free memory was 97.0MB in the beginning and 94.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 278.75ms. Allocated memory is still 136.3MB. Free memory was 94.9MB in the beginning and 80.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4382.56ms. Allocated memory is still 136.3MB. Free memory was 80.3MB in the beginning and 95.3MB in the end (delta: -15.0MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:12,834 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:06:14,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:14,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:06:14,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:14,642 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:14,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:14,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:14,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:14,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:14,668 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:14,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:14,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:14,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:14,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:14,672 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:14,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:14,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:14,672 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:14,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:14,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:14,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:14,676 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:14,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:14,676 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:06:14,677 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:06:14,677 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:14,677 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:06:14,677 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:14,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:14,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:14,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:14,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:14,678 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:14,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:14,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:14,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:14,679 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:14,679 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:14,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:14,679 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:06:14,680 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:06:14,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:14,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:14,681 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:14,681 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:14,681 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:06:14,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:14,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:14,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:14,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:14,933 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:14,933 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:14,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-13 05:06:16,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:16,438 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:16,438 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-09-13 05:06:16,443 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c2945d08e/c2def674ba4d49fbbe4b9e782e7d40e3/FLAG6c5962876 [2024-09-13 05:06:16,854 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c2945d08e/c2def674ba4d49fbbe4b9e782e7d40e3 [2024-09-13 05:06:16,857 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:16,857 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:16,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-09-13 05:06:16,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:16,894 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:16,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:16,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:16,898 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:16,899 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:16" (1/2) ... [2024-09-13 05:06:16,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449394fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:16, skipping insertion in model container [2024-09-13 05:06:16,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:16" (1/2) ... [2024-09-13 05:06:16,902 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@787bceca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:16, skipping insertion in model container [2024-09-13 05:06:16,904 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 05:06:16" (2/2) ... [2024-09-13 05:06:16,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449394fc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:16, skipping insertion in model container [2024-09-13 05:06:16,905 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 05:06:16" (2/2) ... [2024-09-13 05:06:16,916 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:16,917 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-13 05:06:16,917 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-13 05:06:16,917 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= \old(cond))), ensures ((1 <= counter) && (1 <= \old(cond))) [2024-09-13 05:06:16,918 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:06:16,934 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:17,082 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/divbin2_unwindbound1.i[951,964] [2024-09-13 05:06:17,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:17,138 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:06:17,170 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/divbin2_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 05:06:17,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:17,198 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:17,199 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:17 WrapperNode [2024-09-13 05:06:17,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:17,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:17,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:17,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:17,210 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 13.09 05:06:17" (1/1) ... [2024-09-13 05:06:17,211 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 13.09 05:06:17" (1/1) ... [2024-09-13 05:06:17,219 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 13.09 05:06:17" (1/1) ... [2024-09-13 05:06:17,228 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:06:17,228 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 13.09 05:06:17" (1/1) ... [2024-09-13 05:06:17,228 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 13.09 05:06:17" (1/1) ... [2024-09-13 05:06:17,237 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 13.09 05:06:17" (1/1) ... [2024-09-13 05:06:17,243 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 13.09 05:06:17" (1/1) ... [2024-09-13 05:06:17,244 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 13.09 05:06:17" (1/1) ... [2024-09-13 05:06:17,247 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 13.09 05:06:17" (1/1) ... [2024-09-13 05:06:17,249 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:17,254 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:17,254 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:17,254 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:17,255 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 13.09 05:06:17" (1/1) ... [2024-09-13 05:06:17,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:17,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:17,283 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 05:06:17,287 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 05:06:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:17,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:06:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:06:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:06:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:17,395 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:17,397 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:17,433 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:17,567 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:17,576 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:17,599 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:17,599 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:17,600 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:17 BoogieIcfgContainer [2024-09-13 05:06:17,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:17,600 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:17,600 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:17,601 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:17,601 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:16" (1/4) ... [2024-09-13 05:06:17,601 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e5b6a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:17, skipping insertion in model container [2024-09-13 05:06:17,601 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 05:06:16" (2/4) ... [2024-09-13 05:06:17,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e5b6a23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:17, skipping insertion in model container [2024-09-13 05:06:17,602 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 13.09 05:06:17" (3/4) ... [2024-09-13 05:06:17,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e5b6a23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:17, skipping insertion in model container [2024-09-13 05:06:17,602 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:17" (4/4) ... [2024-09-13 05:06:17,603 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-09-13 05:06:17,606 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:17,606 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:06:17,606 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:17,607 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:06:17,607 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:06:17,607 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 05:06:17,607 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 05:06:17,608 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 05:06:17,608 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:06:17,608 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:06:17,608 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:06:17,609 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-13 05:06:17,655 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:06:17,656 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,656 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,656 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,657 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,691 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:06:17,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,692 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,692 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,692 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,694 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,720 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:17,732 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:17,732 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,732 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,733 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,743 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:17,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,743 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,743 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,743 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,743 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,750 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:17,772 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:06:17,772 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,772 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,772 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,772 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,774 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:06:17,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,774 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,774 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,781 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:17,796 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:17,798 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,798 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,799 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,799 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,808 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:17,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,810 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,815 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:17,830 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:17,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,831 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,831 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,831 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,832 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:17,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,832 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,835 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:17,848 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:17,849 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,849 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,849 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,849 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,852 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:17,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,856 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,858 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:17,866 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:17,866 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,867 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,867 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,867 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,868 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:17,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,868 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,869 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,869 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,869 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,870 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:17,884 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:17,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,885 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,892 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:06:17,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,893 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,893 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,893 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,911 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:06:17,911 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,912 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,912 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,912 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,925 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:06:17,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,930 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,937 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:17,947 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:06:17,947 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,947 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,948 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,948 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,955 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:06:17,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,956 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,956 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,956 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,958 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,978 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 05:06:17,979 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e5b6a23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:17, skipping insertion in model container [2024-09-13 05:06:17,979 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:17,980 INFO L158 Benchmark]: Toolchain (without parser) took 1085.82ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 52.6MB in the beginning and 67.1MB in the end (delta: -14.5MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:17,981 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 90.2MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:17,981 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 90.2MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:17,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.89ms. Allocated memory is still 90.2MB. Free memory was 52.6MB in the beginning and 65.9MB in the end (delta: -13.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-09-13 05:06:17,982 INFO L158 Benchmark]: Boogie Preprocessor took 52.95ms. Allocated memory is still 90.2MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:17,982 INFO L158 Benchmark]: RCFGBuilder took 346.18ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 48.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:06:17,982 INFO L158 Benchmark]: Referee took 378.92ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 48.8MB in the beginning and 67.1MB in the end (delta: -18.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:17,984 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 loop head at line 38 to check that procedure precondition always holds at line 38. One counterexample starts in \old(counter)=0, A=138477829, b=0, B=0, counter=2147483647, q=0, r=138477829 and ends in \old(counter)=0, A=138477829, b=0, B=0, counter=-2147483648, q=0, r=138477829. Annotation is not valid for all loop-free paths from loop head at line 34 to loop head at line 38. One counterexample starts in \old(counter)=0, A=0, b=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=0, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. 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 20. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 90.2MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 90.2MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.89ms. Allocated memory is still 90.2MB. Free memory was 52.6MB in the beginning and 65.9MB in the end (delta: -13.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.95ms. Allocated memory is still 90.2MB. Free memory was 65.9MB in the beginning and 63.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 346.18ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 48.8MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 378.92ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 48.8MB in the beginning and 67.1MB in the end (delta: -18.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:18,013 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