./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound1.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/ps6-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound1.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 20:53:04,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:04,440 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:53:04,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:04,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:04,472 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:04,473 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:04,473 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:04,473 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:04,474 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:04,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:04,478 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:04,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:04,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:04,479 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:04,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:04,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:04,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:04,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:53:04,484 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:04,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:04,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:04,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:04,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:04,486 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:04,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:04,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:04,486 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:04,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:04,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:04,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:04,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:04,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:04,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:04,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:04,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:04,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:53:04,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:53:04,489 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:04,490 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:04,490 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:04,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:04,491 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:04,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:04,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:04,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:04,725 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:04,730 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:04,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:53:04,814 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:04,815 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:04,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-09-11 20:53:06,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:06,365 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:06,366 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-09-11 20:53:06,372 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0985dd0cc/2ff9d2b3141341dc8d4299c0745bb47e/FLAGf240cf924 [2024-09-11 20:53:06,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0985dd0cc/2ff9d2b3141341dc8d4299c0745bb47e [2024-09-11 20:53:06,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:06,773 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:06,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:06,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:06,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:06,780 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 08:53:04" (1/2) ... [2024-09-11 20:53:06,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4a9665 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:06, skipping insertion in model container [2024-09-11 20:53:06,781 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 08:53:04" (1/2) ... [2024-09-11 20:53:06,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2af2d1af and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:06, skipping insertion in model container [2024-09-11 20:53:06,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:06" (2/2) ... [2024-09-11 20:53:06,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4a9665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06, skipping insertion in model container [2024-09-11 20:53:06,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:06" (2/2) ... [2024-09-11 20:53:06,788 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:06,788 INFO L1541 ArrayList]: Loop invariant at [L28-L37] (((((k == 1) && (c == 1)) && (x == 1)) && (y == 1)) || (((((0 <= k) && (c == 0)) && (k <= 1)) && (y == 0)) && (x == 0))) [2024-09-11 20:53:06,788 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:53:06,788 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:53:06,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:06,909 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/ps6-ll_valuebound1.c[458,471] [2024-09-11 20:53:06,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:06,928 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:53:06,959 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/ps6-ll_valuebound1.c[458,471] Start Parsing Local [2024-09-11 20:53:06,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:06,985 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:06,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06 WrapperNode [2024-09-11 20:53:06,986 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:06,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:06,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:06,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:06,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (1/1) ... [2024-09-11 20:53:06,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (1/1) ... [2024-09-11 20:53:07,007 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (1/1) ... [2024-09-11 20:53:07,015 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:53:07,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (1/1) ... [2024-09-11 20:53:07,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (1/1) ... [2024-09-11 20:53:07,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (1/1) ... [2024-09-11 20:53:07,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (1/1) ... [2024-09-11 20:53:07,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (1/1) ... [2024-09-11 20:53:07,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (1/1) ... [2024-09-11 20:53:07,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:07,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:07,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:07,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:07,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (1/1) ... [2024-09-11 20:53:07,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:07,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:07,085 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 20:53:07,088 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 20:53:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:07,130 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:07,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:53:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:53:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:53:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:53:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:07,182 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:07,186 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:07,294 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:07,328 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:07,329 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:07,344 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:07,345 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:07,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:07 BoogieIcfgContainer [2024-09-11 20:53:07,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:07,346 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:07,346 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:07,346 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:07,347 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 08:53:04" (1/4) ... [2024-09-11 20:53:07,347 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3dff4d86 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:07, skipping insertion in model container [2024-09-11 20:53:07,347 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:06" (2/4) ... [2024-09-11 20:53:07,347 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3dff4d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:07, skipping insertion in model container [2024-09-11 20:53:07,347 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:06" (3/4) ... [2024-09-11 20:53:07,348 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3dff4d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:07, skipping insertion in model container [2024-09-11 20:53:07,348 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:07" (4/4) ... [2024-09-11 20:53:07,349 INFO L79 RefereeObserver]: Analyzing ICFG ps6-ll_valuebound1.c [2024-09-11 20:53:07,352 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:07,352 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:53:07,353 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:53:07,353 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:07,353 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:53:07,353 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:53:07,353 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 20:53:07,353 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 20:53:07,354 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:53:07,354 INFO L130 InvariantChecker]: Will check 3 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, 3 loop-free subgraphs from procedure entry to error location [2024-09-11 20:53:07,410 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:53:07,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:07,412 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:07,412 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:07,413 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:07,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,421 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:53:07,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,422 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:07,422 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:07,423 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:07,425 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:07,436 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:07,451 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:53:07,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:07,452 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:07,452 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:07,452 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:07,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,478 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:53:07,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,480 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:07,480 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:07,480 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:07,483 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:07,484 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:07,493 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:07,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:07,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:07,494 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:07,494 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:07,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,497 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:07,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:07,497 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:07,498 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:07,498 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:07,500 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:07,509 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:07,509 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:07,510 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:07,510 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:07,510 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:07,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,515 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:07,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,516 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:07,516 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:07,516 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:07,516 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:07,517 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:07,526 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:07,526 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:07,526 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:07,527 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:07,527 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:07,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,537 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:07,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:07,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:07,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:07,540 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:07,543 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:07,551 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:07,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:07,552 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:07,552 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:07,552 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:07,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,554 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:07,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,555 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:07,555 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:07,555 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:07,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:07,558 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:07,568 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:07,568 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:07,568 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:07,568 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:07,569 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:07,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,570 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:07,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,570 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:07,570 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:07,570 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:07,570 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:07,572 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:07,579 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:53:07,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:07,580 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:07,580 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:07,580 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:07,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,590 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:53:07,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:07,591 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:07,591 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:07,591 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:07,593 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:07,595 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:07,598 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:53:07,598 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3dff4d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:07, skipping insertion in model container [2024-09-11 20:53:07,599 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:07,604 INFO L158 Benchmark]: Toolchain (without parser) took 826.39ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 103.7MB in the beginning and 187.3MB in the end (delta: -83.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:07,604 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:07,604 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 176.2MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:07,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.66ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 90.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:53:07,605 INFO L158 Benchmark]: Boogie Preprocessor took 42.97ms. Allocated memory is still 176.2MB. Free memory was 89.7MB in the beginning and 87.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:07,605 INFO L158 Benchmark]: RCFGBuilder took 315.34ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 87.9MB in the beginning and 226.0MB in the end (delta: -138.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:07,606 INFO L158 Benchmark]: Referee took 252.95ms. Allocated memory is still 268.4MB. Free memory was 226.0MB in the beginning and 187.3MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-11 20:53:07,608 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 28. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 29. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to loop head at line 28. 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 11. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 176.2MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.66ms. Allocated memory is still 176.2MB. Free memory was 103.4MB in the beginning and 90.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.97ms. Allocated memory is still 176.2MB. Free memory was 89.7MB in the beginning and 87.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 315.34ms. Allocated memory was 176.2MB in the beginning and 268.4MB in the end (delta: 92.3MB). Free memory was 87.9MB in the beginning and 226.0MB in the end (delta: -138.2MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Referee took 252.95ms. Allocated memory is still 268.4MB. Free memory was 226.0MB in the beginning and 187.3MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:07,636 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/ps6-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound1.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 20:53:09,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:53:09,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:53:09,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:53:09,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:53:09,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:53:09,861 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:53:09,861 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:53:09,862 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:53:09,865 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:53:09,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:53:09,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:53:09,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:53:09,866 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:53:09,866 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:53:09,866 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:53:09,867 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:53:09,869 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:53:09,869 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:53:09,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:53:09,870 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:53:09,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:53:09,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:53:09,870 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:53:09,870 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:53:09,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:53:09,871 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:53:09,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:53:09,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:53:09,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:53:09,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:53:09,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:53:09,872 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:53:09,872 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:53:09,872 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:09,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:53:09,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:53:09,872 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:53:09,872 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:53:09,873 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:53:09,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:53:09,874 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:53:09,874 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:53:09,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:53:09,875 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:53:09,875 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:53:10,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:53:10,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:53:10,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:53:10,176 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:53:10,177 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:53:10,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps6-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:53:10,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:53:10,230 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:53:10,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-09-11 20:53:11,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:53:11,941 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:53:11,941 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-09-11 20:53:11,947 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/02dad0b0d/796899efca264a48989b2ad0d875df4c/FLAG3a2c7ac7a [2024-09-11 20:53:11,974 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/02dad0b0d/796899efca264a48989b2ad0d875df4c [2024-09-11 20:53:11,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:53:11,979 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:53:11,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:11,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:53:11,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:53:11,993 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 08:53:10" (1/2) ... [2024-09-11 20:53:11,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5870d787 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:11, skipping insertion in model container [2024-09-11 20:53:11,994 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 08:53:10" (1/2) ... [2024-09-11 20:53:11,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f32f61e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:53:11, skipping insertion in model container [2024-09-11 20:53:11,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:11" (2/2) ... [2024-09-11 20:53:11,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5870d787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:11, skipping insertion in model container [2024-09-11 20:53:11,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:53:11" (2/2) ... [2024-09-11 20:53:12,005 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:53:12,007 INFO L1541 ArrayList]: Loop invariant at [L28-L37] (((((k == 1) && (c == 1)) && (x == 1)) && (y == 1)) || (((((0 <= k) && (c == 0)) && (k <= 1)) && (y == 0)) && (x == 0))) [2024-09-11 20:53:12,007 INFO L1541 ArrayList]: Function contract at [L6]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:53:12,007 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:53:12,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:53:12,164 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/ps6-ll_valuebound1.c[458,471] [2024-09-11 20:53:12,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:12,199 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:53:12,228 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/ps6-ll_valuebound1.c[458,471] Start Parsing Local [2024-09-11 20:53:12,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:53:12,257 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:53:12,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12 WrapperNode [2024-09-11 20:53:12,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:53:12,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:53:12,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:53:12,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:53:12,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (1/1) ... [2024-09-11 20:53:12,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (1/1) ... [2024-09-11 20:53:12,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (1/1) ... [2024-09-11 20:53:12,286 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:53:12,289 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (1/1) ... [2024-09-11 20:53:12,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (1/1) ... [2024-09-11 20:53:12,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (1/1) ... [2024-09-11 20:53:12,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (1/1) ... [2024-09-11 20:53:12,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (1/1) ... [2024-09-11 20:53:12,303 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (1/1) ... [2024-09-11 20:53:12,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:53:12,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:53:12,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:53:12,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:53:12,308 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (1/1) ... [2024-09-11 20:53:12,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:53:12,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:53:12,332 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 20:53:12,339 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 20:53:12,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:53:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:53:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:53:12,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:53:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:53:12,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:53:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:53:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:53:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:53:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:53:12,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-11 20:53:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:53:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:53:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:53:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:53:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:53:12,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:53:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:53:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:53:12,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:53:12,428 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:53:12,429 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:53:15,579 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:53:15,637 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-09-11 20:53:15,637 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:53:15,654 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:53:15,654 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:53:15,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:15 BoogieIcfgContainer [2024-09-11 20:53:15,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:53:15,655 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:53:15,655 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:53:15,656 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:53:15,656 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 08:53:10" (1/4) ... [2024-09-11 20:53:15,657 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a71c9f5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:53:15, skipping insertion in model container [2024-09-11 20:53:15,657 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:53:11" (2/4) ... [2024-09-11 20:53:15,657 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a71c9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:15, skipping insertion in model container [2024-09-11 20:53:15,657 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:53:12" (3/4) ... [2024-09-11 20:53:15,657 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a71c9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:53:15, skipping insertion in model container [2024-09-11 20:53:15,657 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:53:15" (4/4) ... [2024-09-11 20:53:15,658 INFO L79 RefereeObserver]: Analyzing ICFG ps6-ll_valuebound1.c [2024-09-11 20:53:15,661 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:53:15,662 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:53:15,662 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:53:15,662 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:53:15,662 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:53:15,662 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:53:15,663 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 20:53:15,663 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 20:53:15,663 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L28-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:53:15,663 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-11 20:53:15,702 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:53:15,703 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:15,703 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:15,704 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:15,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:15,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:15,715 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:53:15,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:15,716 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:15,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:15,717 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:15,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:15,733 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:15,770 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:53:15,770 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:15,770 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:15,770 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:15,770 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:15,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:15,799 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:53:15,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:15,800 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:15,800 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:15,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:15,802 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:15,803 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:15,833 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:15,833 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:15,833 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:15,834 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:15,834 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:15,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:15,839 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:15,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:15,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:15,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:15,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:15,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:16,772 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:16,816 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:16,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:16,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:16,817 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:16,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:16,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:16,821 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:16,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:16,822 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:16,822 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:16,822 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:16,822 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:16,824 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:16,834 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:53:16,834 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:16,834 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:16,834 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:16,834 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:16,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:16,845 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:53:16,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:16,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:16,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:16,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:16,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:17,188 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:53:17,231 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:53:17,232 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:17,232 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:17,232 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:17,232 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:17,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:17,234 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:53:17,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:17,234 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:17,234 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:17,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:17,235 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:17,236 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:53:17,244 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:53:17,244 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:17,245 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:17,245 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:17,245 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:17,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:17,246 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:53:17,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:17,246 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:17,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:17,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:17,247 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:17,248 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:53:17,264 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:53:17,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:53:17,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:53:17,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:53:17,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:53:17,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:17,275 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-11 20:53:17,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:53:17,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:53:17,275 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:53:17,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:53:17,278 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:53:18,212 INFO L514 InvariantChecker]: The annotation(s) from loop head L28-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:53:18,252 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:53:18,252 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a71c9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:53:18, skipping insertion in model container [2024-09-11 20:53:18,252 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:53:18,254 INFO L158 Benchmark]: Toolchain (without parser) took 6274.28ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 33.5MB in the beginning and 61.4MB in the end (delta: -28.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-09-11 20:53:18,254 INFO L158 Benchmark]: Witness Parser took 0.76ms. Allocated memory is still 73.4MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:18,255 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 73.4MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:53:18,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 276.15ms. Allocated memory is still 73.4MB. Free memory was 33.2MB in the beginning and 40.8MB in the end (delta: -7.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-09-11 20:53:18,255 INFO L158 Benchmark]: Boogie Preprocessor took 46.73ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 38.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:53:18,256 INFO L158 Benchmark]: RCFGBuilder took 3349.21ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 38.6MB in the beginning and 59.6MB in the end (delta: -21.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-09-11 20:53:18,256 INFO L158 Benchmark]: Referee took 2597.20ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 61.4MB in the end (delta: -1.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-09-11 20:53:18,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 28 to loop head at line 28. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from loop head at line 28 to check that procedure precondition always holds at line 29. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.76ms. Allocated memory is still 73.4MB. Free memory is still 53.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.88ms. Allocated memory is still 73.4MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 276.15ms. Allocated memory is still 73.4MB. Free memory was 33.2MB in the beginning and 40.8MB in the end (delta: -7.6MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.73ms. Allocated memory is still 73.4MB. Free memory was 40.8MB in the beginning and 38.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3349.21ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 38.6MB in the beginning and 59.6MB in the end (delta: -21.0MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Referee took 2597.20ms. Allocated memory is still 92.3MB. Free memory was 59.6MB in the beginning and 61.4MB in the end (delta: -1.9MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:53:18,313 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