./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound20.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_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound20.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 20:52:09,551 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:09,592 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:09,596 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:09,598 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:09,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:09,616 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:09,617 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:09,617 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:09,617 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:09,618 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:09,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:09,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:09,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:09,619 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:09,619 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:09,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:09,620 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:09,620 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:09,620 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:09,621 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:09,621 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:09,621 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:09,622 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:09,622 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:09,622 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:09,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:09,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:09,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:09,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:09,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:09,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:09,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:09,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:09,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:09,624 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:09,625 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:09,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:09,625 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:09,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:09,625 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:09,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:09,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:09,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:09,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:09,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:09,870 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:09,871 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:09,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2024-09-11 20:52:11,182 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:11,355 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:11,356 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2024-09-11 20:52:11,364 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2bec57c71/aa2676f4e12a476384f3a15e3b28b4e5/FLAG5544966b4 [2024-09-11 20:52:11,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2bec57c71/aa2676f4e12a476384f3a15e3b28b4e5 [2024-09-11 20:52:11,384 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:11,387 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:11,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound20.yml/witness-2.1.yml [2024-09-11 20:52:11,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:11,432 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:11,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:11,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:11,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:11,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:11" (1/2) ... [2024-09-11 20:52:11,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b509592 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:11, skipping insertion in model container [2024-09-11 20:52:11,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:11" (1/2) ... [2024-09-11 20:52:11,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21f684d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:11, skipping insertion in model container [2024-09-11 20:52:11,443 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 08:52:11" (2/2) ... [2024-09-11 20:52:11,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b509592 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11, skipping insertion in model container [2024-09-11 20:52:11,444 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 08:52:11" (2/2) ... [2024-09-11 20:52:11,449 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:11,451 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:11,451 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:11,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:11,592 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_unwindbound20.c[454,467] [2024-09-11 20:52:11,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:11,610 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:11,637 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_unwindbound20.c[454,467] Start Parsing Local [2024-09-11 20:52:11,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:11,682 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:11,682 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11 WrapperNode [2024-09-11 20:52:11,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:11,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:11,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:11,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:11,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (1/1) ... [2024-09-11 20:52:11,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (1/1) ... [2024-09-11 20:52:11,705 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (1/1) ... [2024-09-11 20:52:11,730 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 20:52:11,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (1/1) ... [2024-09-11 20:52:11,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (1/1) ... [2024-09-11 20:52:11,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (1/1) ... [2024-09-11 20:52:11,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (1/1) ... [2024-09-11 20:52:11,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (1/1) ... [2024-09-11 20:52:11,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (1/1) ... [2024-09-11 20:52:11,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:11,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:11,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:11,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:11,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (1/1) ... [2024-09-11 20:52:11,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:11,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:11,788 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 20:52:11,791 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 20:52:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:11,830 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:11,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:11,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:11,888 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:11,890 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:11,991 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:12,035 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:12,035 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:12,057 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:12,057 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:12,057 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:12 BoogieIcfgContainer [2024-09-11 20:52:12,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:12,058 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:12,058 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:12,059 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:12,059 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:11" (1/4) ... [2024-09-11 20:52:12,059 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8a76f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:12, skipping insertion in model container [2024-09-11 20:52:12,060 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 08:52:11" (2/4) ... [2024-09-11 20:52:12,060 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8a76f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:12, skipping insertion in model container [2024-09-11 20:52:12,060 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:11" (3/4) ... [2024-09-11 20:52:12,060 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8a76f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:12, skipping insertion in model container [2024-09-11 20:52:12,060 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:12" (4/4) ... [2024-09-11 20:52:12,066 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound20.c [2024-09-11 20:52:12,072 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:12,073 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:12,073 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:12,073 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:52:12,073 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:52:12,073 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 20:52:12,074 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 20:52:12,074 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:52:12,109 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:12,110 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:12,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:12,111 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:12,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:12,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,141 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:12,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,142 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:12,142 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:12,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:12,148 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:12,161 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:12,171 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:12,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:12,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:12,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:12,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:12,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,178 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:12,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,178 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:12,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:12,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:12,178 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:12,180 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:12,188 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:12,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:12,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:12,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:12,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:12,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,193 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:12,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,193 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:12,193 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:12,193 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:12,194 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:12,197 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:12,208 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:12,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:12,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:12,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:12,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:12,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,219 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:12,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,220 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:12,220 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:12,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:12,220 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:12,221 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:12,229 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:12,229 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:12,229 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:12,229 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:12,230 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:12,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,233 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:12,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:12,233 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:12,233 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:12,234 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:12,235 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:12,241 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:12,242 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:12,242 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:12,242 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:12,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:12,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,243 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:12,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:12,244 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:12,244 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:12,244 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:12,244 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:12,246 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:12,249 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:12,250 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8a76f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:12, skipping insertion in model container [2024-09-11 20:52:12,250 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:12,254 INFO L158 Benchmark]: Toolchain (without parser) took 818.51ms. Allocated memory is still 165.7MB. Free memory was 97.3MB in the beginning and 105.2MB in the end (delta: -7.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:12,254 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 165.7MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:12,255 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 165.7MB. Free memory was 99.3MB in the beginning and 99.2MB in the end (delta: 133.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:12,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.57ms. Allocated memory is still 165.7MB. Free memory was 97.2MB in the beginning and 139.6MB in the end (delta: -42.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:12,255 INFO L158 Benchmark]: Boogie Preprocessor took 63.53ms. Allocated memory is still 165.7MB. Free memory was 139.6MB in the beginning and 137.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:12,256 INFO L158 Benchmark]: RCFGBuilder took 310.60ms. Allocated memory is still 165.7MB. Free memory was 137.4MB in the beginning and 124.0MB in the end (delta: 13.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:52:12,257 INFO L158 Benchmark]: Referee took 191.84ms. Allocated memory is still 165.7MB. Free memory was 124.0MB in the beginning and 105.3MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:12,259 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 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 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 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 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 165.7MB. Free memory is still 125.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 165.7MB. Free memory was 99.3MB in the beginning and 99.2MB in the end (delta: 133.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.57ms. Allocated memory is still 165.7MB. Free memory was 97.2MB in the beginning and 139.6MB in the end (delta: -42.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.53ms. Allocated memory is still 165.7MB. Free memory was 139.6MB in the beginning and 137.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 310.60ms. Allocated memory is still 165.7MB. Free memory was 137.4MB in the beginning and 124.0MB in the end (delta: 13.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 191.84ms. Allocated memory is still 165.7MB. Free memory was 124.0MB in the beginning and 105.3MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:12,284 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/ps2-ll_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound20.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 20:52:14,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:14,385 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:14,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:14,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:14,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:14,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:14,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:14,426 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:14,426 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:14,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:14,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:14,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:14,429 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:14,430 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:14,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:14,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:14,431 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:14,431 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:14,431 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:14,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:14,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:14,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:14,433 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:14,433 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:14,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:14,433 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:14,434 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:14,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:14,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:14,434 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:14,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:14,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:14,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:14,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:14,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:14,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:14,436 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:14,436 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:14,436 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:14,437 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:14,441 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:14,441 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:14,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:14,442 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:14,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:14,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:14,760 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:14,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:14,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:14,765 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:14,766 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2024-09-11 20:52:16,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:16,379 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:16,380 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2024-09-11 20:52:16,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/57a7a2cca/aae7ab587a4c4ce4bd01cb53dcaee60a/FLAG1c555cde8 [2024-09-11 20:52:16,778 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/57a7a2cca/aae7ab587a4c4ce4bd01cb53dcaee60a [2024-09-11 20:52:16,780 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:16,781 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:16,782 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound20.yml/witness-2.1.yml [2024-09-11 20:52:16,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:16,844 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:16,844 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:16,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:16,849 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:16,850 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:16" (1/2) ... [2024-09-11 20:52:16,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f72db1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:16" (1/2) ... [2024-09-11 20:52:16,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@cb59aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,855 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 08:52:16" (2/2) ... [2024-09-11 20:52:16,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f72db1f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,855 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 08:52:16" (2/2) ... [2024-09-11 20:52:16,862 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:16,869 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:16,869 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:16,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:17,078 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_unwindbound20.c[454,467] [2024-09-11 20:52:17,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:17,106 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:17,136 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_unwindbound20.c[454,467] Start Parsing Local [2024-09-11 20:52:17,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:17,164 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:17,165 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17 WrapperNode [2024-09-11 20:52:17,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:17,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:17,166 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:17,166 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:17,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (1/1) ... [2024-09-11 20:52:17,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (1/1) ... [2024-09-11 20:52:17,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (1/1) ... [2024-09-11 20:52:17,197 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 20:52:17,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (1/1) ... [2024-09-11 20:52:17,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (1/1) ... [2024-09-11 20:52:17,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (1/1) ... [2024-09-11 20:52:17,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (1/1) ... [2024-09-11 20:52:17,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (1/1) ... [2024-09-11 20:52:17,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (1/1) ... [2024-09-11 20:52:17,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:17,215 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:17,215 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:17,215 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:17,216 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (1/1) ... [2024-09-11 20:52:17,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:17,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:17,243 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 20:52:17,248 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 20:52:17,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:17,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:17,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:17,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:17,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:17,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:17,349 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:17,351 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:18,020 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:18,072 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:18,073 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:18,099 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:18,099 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:18,099 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:18 BoogieIcfgContainer [2024-09-11 20:52:18,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:18,100 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:18,100 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:18,101 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:18,102 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:16" (1/4) ... [2024-09-11 20:52:18,102 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ab6f3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:18, skipping insertion in model container [2024-09-11 20:52:18,102 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 08:52:16" (2/4) ... [2024-09-11 20:52:18,103 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ab6f3c0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:18, skipping insertion in model container [2024-09-11 20:52:18,103 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:17" (3/4) ... [2024-09-11 20:52:18,103 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ab6f3c0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:18, skipping insertion in model container [2024-09-11 20:52:18,104 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:18" (4/4) ... [2024-09-11 20:52:18,106 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound20.c [2024-09-11 20:52:18,109 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:18,110 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:18,110 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:18,110 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:52:18,110 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:52:18,111 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 20:52:18,111 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 20:52:18,111 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:52:18,162 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:18,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:18,164 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:18,164 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:18,165 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:18,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:18,211 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:18,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:18,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:18,213 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:18,213 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:18,224 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:22,300 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:22,334 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:22,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:22,335 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:22,335 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:22,335 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:22,335 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,342 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:22,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:22,342 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:22,342 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:22,342 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:22,343 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:26,403 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:26,436 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:26,436 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:26,437 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:26,437 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:26,437 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:26,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,440 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:26,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,440 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:26,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:26,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:26,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:26,451 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:26,474 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:26,474 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:26,474 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:26,474 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:26,474 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:26,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,505 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:26,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:26,507 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:26,507 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:26,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:26,508 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,678 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:30,728 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:30,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,728 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,732 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,735 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:30,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,735 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,735 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,735 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,736 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,737 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:30,755 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:30,756 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:30,756 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:30,756 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:30,756 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:30,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,758 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:30,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:30,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:30,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:30,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:30,758 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:30,759 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:30,762 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:30,762 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1ab6f3c0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:30, skipping insertion in model container [2024-09-11 20:52:30,763 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:30,764 INFO L158 Benchmark]: Toolchain (without parser) took 13919.82ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 50.3MB in the beginning and 85.1MB in the end (delta: -34.8MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,764 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:30,765 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:30,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.70ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 36.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,766 INFO L158 Benchmark]: Boogie Preprocessor took 48.40ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 34.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,766 INFO L158 Benchmark]: RCFGBuilder took 884.65ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 34.2MB in the beginning and 78.1MB in the end (delta: -43.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,766 INFO L158 Benchmark]: Referee took 12662.75ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 85.1MB in the end (delta: -7.0MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2024-09-11 20:52:30,768 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 check that procedure precondition always holds at line 27. 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 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 main to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.70ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 36.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.40ms. Allocated memory is still 71.3MB. Free memory was 36.3MB in the beginning and 34.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 884.65ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 34.2MB in the beginning and 78.1MB in the end (delta: -43.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 12662.75ms. Allocated memory is still 109.1MB. Free memory was 78.1MB in the beginning and 85.1MB in the end (delta: -7.0MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:30,814 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