./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark52_polynomial.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark52_polynomial.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:11:35,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:11:35,556 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:11:35,561 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:11:35,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:11:35,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:11:35,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:11:35,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:11:35,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:11:35,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:11:35,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:11:35,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:11:35,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:11:35,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:11:35,588 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:11:35,589 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:11:35,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:11:35,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:11:35,589 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:11:35,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:11:35,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:11:35,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:11:35,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:11:35,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:11:35,591 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:11:35,592 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:11:35,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:11:35,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:11:35,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:11:35,592 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:11:35,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:11:35,593 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:11:35,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:35,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:11:35,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:11:35,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:11:35,594 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:11:35,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:11:35,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:11:35,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:11:35,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:11:35,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:11:35,595 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:11:35,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:11:35,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:11:35,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:11:35,833 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:11:35,834 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:11:35,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i [2024-09-12 20:11:37,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:11:37,179 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:11:37,179 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark52_polynomial.i [2024-09-12 20:11:37,185 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5a48dfb6f/84a441bb5a0e4d859bcc1696027992b2/FLAGd6eb79b6a [2024-09-12 20:11:37,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5a48dfb6f/84a441bb5a0e4d859bcc1696027992b2 [2024-09-12 20:11:37,606 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:11:37,606 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:11:37,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark52_polynomial.yml/witness-2.1.yml [2024-09-12 20:11:37,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:11:37,647 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:11:37,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:37,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:11:37,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:11:37,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:37" (1/2) ... [2024-09-12 20:11:37,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302c7079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:37, skipping insertion in model container [2024-09-12 20:11:37,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:37" (1/2) ... [2024-09-12 20:11:37,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3fae3ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:37, skipping insertion in model container [2024-09-12 20:11:37,654 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:37" (2/2) ... [2024-09-12 20:11:37,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302c7079 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:37, skipping insertion in model container [2024-09-12 20:11:37,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:37" (2/2) ... [2024-09-12 20:11:37,663 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:11:37,665 INFO L1541 ArrayList]: Loop invariant at [L22-L24] (((i <= 9) && (0 <= ((long long) i + 9))) || ((i <= 10) && (0 <= ((long long) i + 8)))) [2024-09-12 20:11:37,665 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:11:37,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:11:37,801 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/loop-zilu/benchmark52_polynomial.i[872,885] [2024-09-12 20:11:37,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:37,821 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:11:37,845 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/loop-zilu/benchmark52_polynomial.i[872,885] Start Parsing Local [2024-09-12 20:11:37,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:37,863 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:11:37,863 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:37 WrapperNode [2024-09-12 20:11:37,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:37,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:11:37,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:11:37,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:11:37,874 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,874 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,878 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,884 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 [2024-09-12 20:11:37,884 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,884 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,886 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,889 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,890 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,891 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,893 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:11:37,895 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:11:37,895 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:11:37,895 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:11:37,895 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 12.09 08:11:37" (1/1) ... [2024-09-12 20:11:37,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:37,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:11:37,949 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 20:11:37,953 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 20:11:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:11:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:11:37,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:11:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:11:37,986 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 20:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 20:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-12 20:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-12 20:11:37,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:11:37,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:11:37,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:11:38,044 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:11:38,046 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:11:38,164 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:11:38,189 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-09-12 20:11:38,189 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:11:38,205 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:11:38,205 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:11:38,205 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:38 BoogieIcfgContainer [2024-09-12 20:11:38,205 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:11:38,206 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:11:38,206 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:11:38,207 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:11:38,207 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:11:37" (1/4) ... [2024-09-12 20:11:38,207 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2628c1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:11:38, skipping insertion in model container [2024-09-12 20:11:38,207 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:37" (2/4) ... [2024-09-12 20:11:38,209 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2628c1d4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:38, skipping insertion in model container [2024-09-12 20:11:38,209 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 12.09 08:11:37" (3/4) ... [2024-09-12 20:11:38,209 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2628c1d4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:38, skipping insertion in model container [2024-09-12 20:11:38,209 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:38" (4/4) ... [2024-09-12 20:11:38,210 INFO L79 RefereeObserver]: Analyzing ICFG benchmark52_polynomial.i [2024-09-12 20:11:38,213 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:11:38,213 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:11:38,213 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-14 to ERROR_LOC mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:11:38,213 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:11:38,214 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-14 to ERROR_LOC mainErr14REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:11:38,214 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-14 to ERROR_LOC mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:11:38,214 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:11:38,214 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-14 to ERROR_LOC mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 1 edges. [2024-09-12 20:11:38,214 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:11:38,214 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-14 to ERROR_LOC mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:11:38,214 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-14 to ERROR_LOC mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 7 edges. [2024-09-12 20:11:38,214 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-14 to ERROR_LOC mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 6 edges. [2024-09-12 20:11:38,214 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-14 to ERROR_LOC mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 2 edges. [2024-09-12 20:11:38,214 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-14 to ERROR_LOC mainErr13ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 20:11:38,215 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:11:38,215 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 6 edges. [2024-09-12 20:11:38,215 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-14 to ERROR_LOC mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 8 edges. [2024-09-12 20:11:38,215 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:11:38,215 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from loop head to error location, 7 loop-free subgraphs from procedure entry to error location [2024-09-12 20:11:38,259 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:11:38,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,260 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,261 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,261 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,278 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:11:38,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,279 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,279 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,280 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,280 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,295 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:38,307 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:11:38,308 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,308 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,308 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,308 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,314 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:11:38,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,314 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,314 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,314 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,314 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,316 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-14 to error location mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,325 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:38,325 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,325 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,325 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,325 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,328 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:38,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,328 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,328 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,328 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,328 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,331 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,339 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:38,339 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,339 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,339 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,340 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,343 INFO L101 BaseMinimizeStates]: Removed 7 edges and 3 locations by large block encoding [2024-09-12 20:11:38,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,343 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,343 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,344 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,347 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,360 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 20:11:38,360 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,360 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,361 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,361 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,377 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 20:11:38,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,378 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,379 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,379 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,380 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,381 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-14 to error location mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,391 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:11:38,391 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,391 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,391 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,391 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,396 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:11:38,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,397 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,397 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,397 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,397 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,400 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,409 INFO L314 BlockEncoder]: Initial Icfg 2 locations, 1 edges [2024-09-12 20:11:38,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,411 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,411 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,411 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,411 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,411 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,411 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,413 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-14 to error location mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,419 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:11:38,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,423 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:11:38,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,423 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,423 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,425 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,430 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:11:38,430 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,430 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,430 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,430 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,433 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:11:38,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,433 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,434 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,434 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,434 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,435 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-14 to error location mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,441 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:11:38,441 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,441 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,441 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,442 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,447 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:11:38,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,448 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,448 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,448 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,448 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,450 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-14 to error location mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,455 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:11:38,455 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,455 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,456 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,456 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,460 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:11:38,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,460 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,460 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,460 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,461 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,462 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-14 to error location mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,469 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:11:38,469 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,469 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,469 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,469 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,470 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:11:38,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,471 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,471 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,471 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,471 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,482 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:11:38,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,482 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,482 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,494 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:11:38,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,495 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,495 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,495 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,495 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,500 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-14 to loop head mainErr13ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:38,506 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:38,506 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,507 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,507 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,507 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,510 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:11:38,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,511 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,511 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,511 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,512 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,513 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:11:38,519 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:11:38,519 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,519 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,520 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,520 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,526 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:11:38,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,526 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,526 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,532 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,536 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:11:38,537 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,537 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,537 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,537 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,544 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:11:38,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,546 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-14 to error location mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:11:38,551 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:38,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:38,552 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:38,552 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:38,552 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:38,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,554 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:38,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:38,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:38,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:38,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:38,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:38,556 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:11:38,562 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 20:11:38,563 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2628c1d4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:11:38, skipping insertion in model container [2024-09-12 20:11:38,564 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:11:38,566 INFO L158 Benchmark]: Toolchain (without parser) took 918.67ms. Allocated memory is still 172.0MB. Free memory was 131.4MB in the beginning and 80.4MB in the end (delta: 51.0MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2024-09-12 20:11:38,567 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:38,567 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:38,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.30ms. Allocated memory is still 172.0MB. Free memory was 131.4MB in the beginning and 117.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:11:38,569 INFO L158 Benchmark]: Boogie Preprocessor took 30.04ms. Allocated memory is still 172.0MB. Free memory was 117.8MB in the beginning and 115.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:11:38,569 INFO L158 Benchmark]: RCFGBuilder took 310.76ms. Allocated memory is still 172.0MB. Free memory was 115.8MB in the beginning and 132.8MB in the end (delta: -17.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-12 20:11:38,570 INFO L158 Benchmark]: Referee took 358.80ms. Allocated memory is still 172.0MB. Free memory was 132.8MB in the beginning and 80.4MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2024-09-12 20:11:38,572 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 22 to check that procedure precondition always holds at line 22. One counterexample starts in i=-10 and ends in . Annotation is not valid for all loop-free paths from loop head at line 22 to check that integer overflow can never occur at line 22. One counterexample starts in i=46341 and ends in . Annotation is valid for all loop-free paths from loop head at line 22 to check that integer overflow can never occur at line 22. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 22. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 22. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that integer overflow can never occur at line 23. Annotation is valid for all loop-free paths from loop head at line 22 to check that integer overflow can never occur at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that integer overflow can never occur at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that integer overflow can never occur at line 22. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from 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 integer overflow can never occur at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that invariant of correctness witness holds at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that integer overflow can never occur at line 23. Annotation is valid for all loop-free paths from loop head at line 22 to check that integer overflow can never occur at line 22. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 22. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 172.0MB. Free memory is still 133.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.30ms. Allocated memory is still 172.0MB. Free memory was 131.4MB in the beginning and 117.8MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.04ms. Allocated memory is still 172.0MB. Free memory was 117.8MB in the beginning and 115.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.76ms. Allocated memory is still 172.0MB. Free memory was 115.8MB in the beginning and 132.8MB in the end (delta: -17.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 358.80ms. Allocated memory is still 172.0MB. Free memory was 132.8MB in the beginning and 80.4MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:11:38,596 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