./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound50.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/ps2-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound50.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 20:52:22,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:22,211 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:22,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:22,219 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:22,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:22,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:22,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:22,235 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:22,235 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:22,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:22,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:22,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:22,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:22,237 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:22,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:22,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:22,238 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:22,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:22,238 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:22,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:22,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:22,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:22,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:22,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:22,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:22,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:22,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:22,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:22,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:22,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:22,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:22,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:22,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:22,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:22,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:22,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:22,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:22,244 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:22,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:22,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:22,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:22,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:22,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:22,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:22,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:22,457 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:22,458 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:22,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:52:22,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:22,561 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:22,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2024-09-11 20:52:24,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:24,204 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:24,205 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2024-09-11 20:52:24,209 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/abaa911f3/cf17b1788c8c439ab09b12ccd2c150d4/FLAG082ad1138 [2024-09-11 20:52:24,220 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/abaa911f3/cf17b1788c8c439ab09b12ccd2c150d4 [2024-09-11 20:52:24,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:24,221 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:24,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:24,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:24,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:24,226 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 08:52:22" (1/2) ... [2024-09-11 20:52:24,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14452c47 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,227 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 08:52:22" (1/2) ... [2024-09-11 20:52:24,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7dd8293c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:24" (2/2) ... [2024-09-11 20:52:24,228 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14452c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,228 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:24" (2/2) ... [2024-09-11 20:52:24,235 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:24,237 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:24,237 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:24,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:24,412 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/ps2-ll_valuebound50.c[454,467] [2024-09-11 20:52:24,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:24,446 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:24,471 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/ps2-ll_valuebound50.c[454,467] Start Parsing Local [2024-09-11 20:52:24,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:24,485 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:24,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24 WrapperNode [2024-09-11 20:52:24,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:24,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:24,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:24,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:24,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,500 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,510 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 20:52:24,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:24,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:24,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:24,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:24,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (1/1) ... [2024-09-11 20:52:24,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:24,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:24,544 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 20:52:24,545 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 20:52:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:24,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:24,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:24,576 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:24,576 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:24,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:24,625 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:24,627 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:24,692 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:24,718 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:24,718 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:24,732 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:24,733 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:24,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:24 BoogieIcfgContainer [2024-09-11 20:52:24,733 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:24,734 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:24,734 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:24,734 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:24,734 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 08:52:22" (1/4) ... [2024-09-11 20:52:24,735 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@350461d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,735 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:24" (2/4) ... [2024-09-11 20:52:24,735 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@350461d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,735 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:24" (3/4) ... [2024-09-11 20:52:24,735 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@350461d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,735 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:24" (4/4) ... [2024-09-11 20:52:24,736 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound50.c [2024-09-11 20:52:24,739 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:24,740 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:24,740 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:24,740 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:24,740 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:24,740 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 20:52:24,740 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 20:52:24,741 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:52:24,765 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:24,766 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,767 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,781 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:24,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,782 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,796 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:24,805 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:24,805 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,805 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,805 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,806 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,808 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:24,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,808 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,809 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,809 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,810 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:24,819 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:24,819 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,819 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,819 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,826 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:24,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,827 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,830 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:24,839 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:24,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,839 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,839 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,856 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:24,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,856 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,856 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,857 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,858 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:24,865 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:24,865 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,865 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,868 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:24,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,868 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,868 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,869 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,869 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,870 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:24,877 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:24,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:24,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:24,878 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:24,878 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:24,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,879 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:24,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:24,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:24,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:24,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:24,880 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:24,881 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:24,883 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:24,883 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@350461d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:24, skipping insertion in model container [2024-09-11 20:52:24,884 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:24,885 INFO L158 Benchmark]: Toolchain (without parser) took 663.21ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 93.7MB in the beginning and 182.5MB in the end (delta: -88.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:24,885 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:24,886 INFO L158 Benchmark]: CDTParser took 3.52ms. Allocated memory is still 167.8MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:24,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.85ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 93.5MB in the beginning and 215.0MB in the end (delta: -121.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:24,887 INFO L158 Benchmark]: Boogie Preprocessor took 33.63ms. Allocated memory is still 249.6MB. Free memory was 215.0MB in the beginning and 212.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:24,887 INFO L158 Benchmark]: RCFGBuilder took 212.88ms. Allocated memory is still 249.6MB. Free memory was 212.9MB in the beginning and 199.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:24,888 INFO L158 Benchmark]: Referee took 150.08ms. Allocated memory is still 249.6MB. Free memory was 199.3MB in the beginning and 182.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:24,890 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 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. 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 0.20ms. Allocated memory is still 167.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 3.52ms. Allocated memory is still 167.8MB. Free memory is still 138.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.85ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 93.5MB in the beginning and 215.0MB in the end (delta: -121.6MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.63ms. Allocated memory is still 249.6MB. Free memory was 215.0MB in the beginning and 212.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 212.88ms. Allocated memory is still 249.6MB. Free memory was 212.9MB in the beginning and 199.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 150.08ms. Allocated memory is still 249.6MB. Free memory was 199.3MB in the beginning and 182.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:24,919 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 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/ps2-ll_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound50.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 20:52:26,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:26,857 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:26,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:26,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:26,889 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:26,892 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:26,892 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:26,893 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:26,894 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:26,895 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:26,895 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:26,895 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:26,896 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:26,896 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:26,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:26,899 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:26,899 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:26,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:26,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:26,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:26,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:26,900 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:26,900 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:26,901 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:26,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:26,904 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:26,904 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:26,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:26,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:26,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:26,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:26,905 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:26,905 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:26,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:26,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:26,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:26,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:26,906 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:26,906 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:26,906 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:26,907 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:26,907 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:26,907 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:26,907 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:26,908 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:27,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:27,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:27,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:27,183 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:27,184 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:27,185 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:52:27,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:27,230 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:27,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2024-09-11 20:52:28,588 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:28,750 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:28,751 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2024-09-11 20:52:28,756 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3b89c4e27/3b04b632893248b492d29fc5511fd1a1/FLAG5ed7305fd [2024-09-11 20:52:29,140 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3b89c4e27/3b04b632893248b492d29fc5511fd1a1 [2024-09-11 20:52:29,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:29,142 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:29,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:29,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:29,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:29,149 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 08:52:27" (1/2) ... [2024-09-11 20:52:29,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76247f55 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,152 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 08:52:27" (1/2) ... [2024-09-11 20:52:29,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ff14629 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:29" (2/2) ... [2024-09-11 20:52:29,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76247f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29, skipping insertion in model container [2024-09-11 20:52:29,154 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:29" (2/2) ... [2024-09-11 20:52:29,159 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:29,160 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:29,160 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:29,178 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:29,346 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/ps2-ll_valuebound50.c[454,467] [2024-09-11 20:52:29,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:29,370 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:29,397 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/ps2-ll_valuebound50.c[454,467] Start Parsing Local [2024-09-11 20:52:29,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:29,418 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:29,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29 WrapperNode [2024-09-11 20:52:29,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:29,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:29,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:29,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:29,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,434 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,446 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 20:52:29,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:29,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:29,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:29,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:29,456 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (1/1) ... [2024-09-11 20:52:29,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:29,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:29,479 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 20:52:29,484 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 20:52:29,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:29,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:29,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:29,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:29,586 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:29,588 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:30,240 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:30,303 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:30,303 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:30,330 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:30,330 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:30,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:30 BoogieIcfgContainer [2024-09-11 20:52:30,334 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:30,335 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:30,335 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:30,336 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:30,336 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 08:52:27" (1/4) ... [2024-09-11 20:52:30,336 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48a29fc9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,336 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:29" (2/4) ... [2024-09-11 20:52:30,336 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48a29fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,336 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:29" (3/4) ... [2024-09-11 20:52:30,337 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48a29fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,337 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:30" (4/4) ... [2024-09-11 20:52:30,338 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound50.c [2024-09-11 20:52:30,344 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:30,344 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:52:30,345 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:52:30,348 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:52:30,348 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:52:30,348 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 20:52:30,348 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 20:52:30,349 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:52:30,398 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:52:30,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,400 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,405 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,432 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:52:30,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,437 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,460 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:30,475 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:30,477 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,477 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,477 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,481 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,484 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:30,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,484 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,488 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:34,591 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:34,621 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:34,621 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:34,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:34,622 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:34,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:34,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:34,626 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:34,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:34,627 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:34,627 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:34,627 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:34,627 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:34,631 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:34,650 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:52:34,651 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:34,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:34,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:34,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:34,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:34,681 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:52:34,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:34,681 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:34,682 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:34,682 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:34,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:38,839 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:38,886 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:38,886 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:38,886 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:38,887 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:38,887 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:38,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:38,889 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:38,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:38,890 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:38,890 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:38,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:38,890 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:38,892 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:38,899 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:38,899 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:38,899 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:38,899 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:38,899 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:38,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:38,902 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:38,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:38,903 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:38,903 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:38,903 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:38,903 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:38,906 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:38,909 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:38,910 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48a29fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:38, skipping insertion in model container [2024-09-11 20:52:38,910 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:38,912 INFO L158 Benchmark]: Toolchain (without parser) took 9769.45ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 54.5MB in the beginning and 67.5MB in the end (delta: -13.0MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:38,913 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:38,913 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:38,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.59ms. Allocated memory is still 77.6MB. Free memory was 54.2MB in the beginning and 40.5MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:38,915 INFO L158 Benchmark]: Boogie Preprocessor took 35.50ms. Allocated memory is still 77.6MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:38,916 INFO L158 Benchmark]: RCFGBuilder took 878.97ms. Allocated memory is still 77.6MB. Free memory was 38.4MB in the beginning and 46.7MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:38,916 INFO L158 Benchmark]: Referee took 8575.55ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 67.5MB in the end (delta: -20.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:38,918 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 27 to check that procedure precondition always holds at line 28. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 77.6MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.59ms. Allocated memory is still 77.6MB. Free memory was 54.2MB in the beginning and 40.5MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.50ms. Allocated memory is still 77.6MB. Free memory was 40.5MB in the beginning and 38.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 878.97ms. Allocated memory is still 77.6MB. Free memory was 38.4MB in the beginning and 46.7MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 8575.55ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 46.7MB in the beginning and 67.5MB in the end (delta: -20.8MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:38,970 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