./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:53:31,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:31,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:53:31,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:31,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:31,266 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:31,267 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:31,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:31,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:31,271 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:31,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:31,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:31,272 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:31,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:31,273 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:31,273 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:31,273 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:31,274 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:31,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:53:31,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:31,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:31,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:31,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:31,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:31,277 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:31,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:31,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:31,278 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:31,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:31,278 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:31,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:31,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:31,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:31,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:31,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:31,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:31,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:53:31,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:53:31,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:31,282 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:31,282 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:31,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:31,283 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:31,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:31,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:31,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:31,541 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:31,542 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:31,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound100.yml/witness-2.1.yml [2024-09-11 20:53:31,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:31,617 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:31,618 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2024-09-11 20:53:33,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:33,279 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:33,279 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2024-09-11 20:53:33,286 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ef7c33309/98a92d88c3784a1d997ceae49c684532/FLAGcb4c5d849 [2024-09-11 20:53:33,299 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ef7c33309/98a92d88c3784a1d997ceae49c684532 [2024-09-11 20:53:33,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:33,300 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:33,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:33,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:33,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:33,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:31" (1/2) ... [2024-09-11 20:53:33,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59032471 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:33, skipping insertion in model container [2024-09-11 20:53:33,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:31" (1/2) ... [2024-09-11 20:53:33,311 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c64dc25 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:33, skipping insertion in model container [2024-09-11 20:53:33,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:33" (2/2) ... [2024-09-11 20:53:33,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59032471 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33, skipping insertion in model container [2024-09-11 20:53:33,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:33" (2/2) ... [2024-09-11 20:53:33,323 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:33,323 INFO L1541 ArrayList]: Loop invariant at [L30-L42] ((((((__int128) a * a) + 1) + ((__int128) 2 * a)) == s) && (((((__int128) a * a) + 2) + ((__int128) a * 4)) == (s + t))) [2024-09-11 20:53:33,324 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:33,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:33,506 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/sqrt1-ll_unwindbound100.c[520,533] [2024-09-11 20:53:33,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:33,528 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:33,578 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/sqrt1-ll_unwindbound100.c[520,533] Start Parsing Local [2024-09-11 20:53:33,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:33,612 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:33,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33 WrapperNode [2024-09-11 20:53:33,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:33,614 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:33,614 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:33,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:33,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (1/1) ... [2024-09-11 20:53:33,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (1/1) ... [2024-09-11 20:53:33,637 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (1/1) ... [2024-09-11 20:53:33,653 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 [2024-09-11 20:53:33,657 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (1/1) ... [2024-09-11 20:53:33,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (1/1) ... [2024-09-11 20:53:33,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (1/1) ... [2024-09-11 20:53:33,668 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (1/1) ... [2024-09-11 20:53:33,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (1/1) ... [2024-09-11 20:53:33,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (1/1) ... [2024-09-11 20:53:33,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:33,683 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:33,683 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:33,683 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:33,684 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (1/1) ... [2024-09-11 20:53:33,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:33,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:33,719 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) [2024-09-11 20:53:33,722 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 [2024-09-11 20:53:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:33,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:33,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:33,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:33,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:33,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:53:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:53:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:53:33,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:33,848 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:33,852 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:34,044 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:34,100 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:34,100 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:34,129 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:34,132 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:34,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:34 BoogieIcfgContainer [2024-09-11 20:53:34,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:34,133 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:34,134 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:34,134 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:34,135 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:31" (1/4) ... [2024-09-11 20:53:34,135 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31311734 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,135 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:33" (2/4) ... [2024-09-11 20:53:34,135 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31311734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,136 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:33" (3/4) ... [2024-09-11 20:53:34,136 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31311734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,136 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:34" (4/4) ... [2024-09-11 20:53:34,139 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound100.c [2024-09-11 20:53:34,146 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:34,147 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:34,147 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:53:34,147 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:53:34,148 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:53:34,148 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:53:34,148 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:34,148 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:34,148 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:53:34,148 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:53:34,149 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:53:34,149 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:53:34,220 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:34,221 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,222 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,223 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,267 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:34,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,269 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,269 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,270 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,290 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,308 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:34,309 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,309 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,309 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,309 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,335 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:53:34,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,336 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,336 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,336 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,344 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,351 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,370 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:34,371 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,371 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,371 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,372 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,379 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:34,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,380 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,380 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,380 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,383 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,397 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:34,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,417 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-11 20:53:34,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,417 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,420 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,423 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,436 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:53:34,436 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,436 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,436 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,437 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,465 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-11 20:53:34,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,466 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,466 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,466 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,469 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,473 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,483 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:34,483 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,484 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,484 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,484 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,486 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:34,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,487 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,487 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,487 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,488 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,493 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:34,506 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:34,507 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,507 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,508 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,508 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,509 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:34,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,510 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,512 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:34,522 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:53:34,523 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,523 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,523 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,525 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:53:34,525 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,526 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,526 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,529 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:34,538 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:53:34,538 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,538 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,539 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,539 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,556 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:53:34,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,556 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,557 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,557 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,561 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:34,571 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:53:34,571 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:34,571 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:34,572 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:34,572 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:34,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,580 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:53:34,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:34,581 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:34,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:34,581 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:34,581 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:34,586 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:34,591 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:53:34,591 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31311734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:34, skipping insertion in model container [2024-09-11 20:53:34,592 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:34,593 INFO L158 Benchmark]: Toolchain (without parser) took 1292.07ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 84.4MB in the beginning and 120.9MB in the end (delta: -36.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-09-11 20:53:34,594 INFO L158 Benchmark]: Witness Parser took 0.65ms. Allocated memory is still 159.4MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:34,594 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:34,595 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.85ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 84.2MB in the beginning and 189.1MB in the end (delta: -104.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:34,597 INFO L158 Benchmark]: Boogie Preprocessor took 68.24ms. Allocated memory is still 218.1MB. Free memory was 189.1MB in the beginning and 187.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:34,597 INFO L158 Benchmark]: RCFGBuilder took 449.79ms. Allocated memory is still 218.1MB. Free memory was 187.0MB in the beginning and 170.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:53:34,598 INFO L158 Benchmark]: Referee took 458.13ms. Allocated memory is still 218.1MB. Free memory was 170.2MB in the beginning and 120.9MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-11 20:53:34,602 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. 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 13. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 30. 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 30 to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 44. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.65ms. Allocated memory is still 159.4MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.85ms. Allocated memory was 159.4MB in the beginning and 218.1MB in the end (delta: 58.7MB). Free memory was 84.2MB in the beginning and 189.1MB in the end (delta: -104.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.24ms. Allocated memory is still 218.1MB. Free memory was 189.1MB in the beginning and 187.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.79ms. Allocated memory is still 218.1MB. Free memory was 187.0MB in the beginning and 170.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 458.13ms. Allocated memory is still 218.1MB. Free memory was 170.2MB in the beginning and 120.9MB in the end (delta: 49.3MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:34,632 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/sqrt1-ll_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound100.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-a9b967e-m [2024-09-11 20:53:36,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:36,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:53:36,916 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:36,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:36,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:36,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:36,952 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:36,953 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:36,953 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:36,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:36,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:36,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:36,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:36,957 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:36,957 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:36,957 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:36,958 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:36,958 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:36,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:36,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:36,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:36,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:36,964 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:53:36,964 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:53:36,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:36,964 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:53:36,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:36,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:36,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:36,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:36,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:36,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:36,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:36,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:36,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:36,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:36,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:36,967 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:53:36,969 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:53:36,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:36,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:36,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:36,971 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:36,971 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:53:36,971 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:37,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:37,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:37,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:37,341 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:37,341 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:37,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2024-09-11 20:53:38,875 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:39,082 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:39,083 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound100.c [2024-09-11 20:53:39,095 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5e56c5f0d/2fbc8996598d48f8a9d09922476e71fa/FLAGef841c00a [2024-09-11 20:53:39,462 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5e56c5f0d/2fbc8996598d48f8a9d09922476e71fa [2024-09-11 20:53:39,465 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:39,466 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:39,466 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_unwindbound100.yml/witness-2.1.yml [2024-09-11 20:53:39,525 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:39,526 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:39,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:39,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:39,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:39,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:39" (1/2) ... [2024-09-11 20:53:39,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef89d28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:39, skipping insertion in model container [2024-09-11 20:53:39,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:39" (1/2) ... [2024-09-11 20:53:39,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@208887b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:39, skipping insertion in model container [2024-09-11 20:53:39,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:39" (2/2) ... [2024-09-11 20:53:39,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef89d28 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:39, skipping insertion in model container [2024-09-11 20:53:39,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:39" (2/2) ... [2024-09-11 20:53:39,547 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:39,548 INFO L1541 ArrayList]: Loop invariant at [L30-L42] ((((((__int128) a * a) + 1) + ((__int128) 2 * a)) == s) && (((((__int128) a * a) + 2) + ((__int128) a * 4)) == (s + t))) [2024-09-11 20:53:39,548 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:53:39,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:39,744 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/sqrt1-ll_unwindbound100.c[520,533] [2024-09-11 20:53:39,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:39,789 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:53:39,826 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/sqrt1-ll_unwindbound100.c[520,533] Start Parsing Local [2024-09-11 20:53:39,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:39,863 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:39,864 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:39 WrapperNode [2024-09-11 20:53:39,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:39,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:39,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:39,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:39,878 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 11.09 08:53:39" (1/1) ... [2024-09-11 20:53:39,879 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 11.09 08:53:39" (1/1) ... [2024-09-11 20:53:39,888 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 11.09 08:53:39" (1/1) ... [2024-09-11 20:53:39,902 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 [2024-09-11 20:53:39,903 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 11.09 08:53:39" (1/1) ... [2024-09-11 20:53:39,903 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 11.09 08:53:39" (1/1) ... [2024-09-11 20:53:39,910 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 11.09 08:53:39" (1/1) ... [2024-09-11 20:53:39,917 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 11.09 08:53:39" (1/1) ... [2024-09-11 20:53:39,919 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 11.09 08:53:39" (1/1) ... [2024-09-11 20:53:39,919 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 11.09 08:53:39" (1/1) ... [2024-09-11 20:53:39,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:39,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:39,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:39,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:39,927 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 11.09 08:53:39" (1/1) ... [2024-09-11 20:53:39,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:39,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:39,957 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) [2024-09-11 20:53:39,964 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 [2024-09-11 20:53:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:53:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:40,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:53:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:53:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:53:40,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:40,093 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:40,095 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:41,061 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:41,131 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:41,132 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:41,172 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:41,173 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:41,173 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:41 BoogieIcfgContainer [2024-09-11 20:53:41,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:41,176 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:41,176 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:41,177 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:41,177 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:39" (1/4) ... [2024-09-11 20:53:41,178 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41ca16e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:41, skipping insertion in model container [2024-09-11 20:53:41,178 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:53:39" (2/4) ... [2024-09-11 20:53:41,179 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41ca16e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:41, skipping insertion in model container [2024-09-11 20:53:41,179 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 11.09 08:53:39" (3/4) ... [2024-09-11 20:53:41,179 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41ca16e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:41, skipping insertion in model container [2024-09-11 20:53:41,180 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:41" (4/4) ... [2024-09-11 20:53:41,182 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_unwindbound100.c [2024-09-11 20:53:41,185 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:41,186 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:41,186 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-09-11 20:53:41,186 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:53:41,187 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-09-11 20:53:41,187 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 12 edges. [2024-09-11 20:53:41,187 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:53:41,187 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:41,187 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:53:41,187 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:53:41,187 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:53:41,188 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:53:41,245 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:41,246 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:41,247 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:41,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:41,250 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:41,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:41,289 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:41,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:41,291 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:41,291 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:41,291 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:41,292 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:43,562 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:43,614 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:53:43,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:43,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:43,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:43,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:43,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:43,657 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:53:43,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:43,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:43,658 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:43,658 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:43,677 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:47,757 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:47,795 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:53:47,795 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:47,795 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:47,796 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:47,796 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:47,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:47,808 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:53:47,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:47,809 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:47,809 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:47,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:47,809 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:51,873 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:51,910 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:53:51,911 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:51,911 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:51,911 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:51,911 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:51,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:51,937 INFO L101 BaseMinimizeStates]: Removed 18 edges and 7 locations by large block encoding [2024-09-11 20:53:51,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:51,938 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:51,938 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:51,938 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:51,942 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:56,025 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:53:56,061 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 12 edges [2024-09-11 20:53:56,062 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:56,062 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:56,062 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:56,062 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:56,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:56,098 INFO L101 BaseMinimizeStates]: Removed 26 edges and 9 locations by large block encoding [2024-09-11 20:53:56,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:56,099 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:56,099 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:56,099 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:56,103 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,214 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:00,255 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:54:00,256 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,256 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,256 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,256 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,258 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:54:00,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,260 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,264 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:54:00,274 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:54:00,274 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,274 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,274 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,274 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,275 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:54:00,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,276 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,276 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,276 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,281 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:54:00,293 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:54:00,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,293 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,294 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,298 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:54:00,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:00,302 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:54:00,318 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:54:00,318 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:00,318 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:00,319 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:00,319 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:00,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,338 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:54:00,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:00,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:00,339 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:00,339 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:00,339 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:04,521 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:04,580 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:54:04,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:54:04,580 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:54:04,580 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:54:04,580 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:54:04,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:04,591 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:54:04,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:54:04,593 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:54:04,593 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:54:04,593 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:54:04,594 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:54:08,689 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:54:08,728 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:54:08,728 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41ca16e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:54:08, skipping insertion in model container [2024-09-11 20:54:08,729 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:54:08,730 INFO L158 Benchmark]: Toolchain (without parser) took 29203.38ms. Allocated memory is still 77.6MB. Free memory was 43.6MB in the beginning and 32.0MB in the end (delta: 11.6MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:08,731 INFO L158 Benchmark]: CDTParser took 1.00ms. Allocated memory is still 56.6MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:08,731 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 77.6MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:54:08,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.97ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 49.6MB in the end (delta: -6.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2024-09-11 20:54:08,732 INFO L158 Benchmark]: Boogie Preprocessor took 59.47ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 47.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:08,732 INFO L158 Benchmark]: RCFGBuilder took 1249.73ms. Allocated memory is still 77.6MB. Free memory was 47.2MB in the beginning and 53.6MB in the end (delta: -6.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:54:08,732 INFO L158 Benchmark]: Referee took 27553.03ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 32.0MB in the end (delta: 21.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-11 20:54:08,736 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 30 to check that procedure precondition always holds at line 44. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 45. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 30. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 32. 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 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. 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 30 to check that procedure precondition always holds at line 31. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.00ms. Allocated memory is still 56.6MB. Free memory was 35.2MB in the beginning and 35.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 77.6MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.97ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 49.6MB in the end (delta: -6.2MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.47ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 47.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1249.73ms. Allocated memory is still 77.6MB. Free memory was 47.2MB in the beginning and 53.6MB in the end (delta: -6.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 27553.03ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 32.0MB in the end (delta: 21.6MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:54:08,799 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 Result: UNKNOWN