./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound1.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_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound1.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 20:51:57,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:57,743 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:57,751 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:57,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:57,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:57,782 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:57,782 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:57,783 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:57,785 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:57,785 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:57,785 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:57,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:57,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:57,788 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:57,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:57,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:57,788 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:57,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:57,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:57,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:57,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:57,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:57,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:57,791 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:57,791 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:57,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:57,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:57,792 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:57,792 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:57,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:57,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:57,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:57,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:57,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:57,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:57,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:57,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:57,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:57,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:57,795 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:57,795 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:57,795 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:57,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:58,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:58,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:58,012 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:58,013 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:58,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound1.yml/witness-2.1.yml [2024-09-11 20:51:58,110 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:58,110 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:58,110 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2024-09-11 20:51:59,403 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:59,617 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:59,618 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2024-09-11 20:51:59,625 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f3227aeb1/858dd8f2cae74c3992b7ad741c0d8692/FLAGc6204a4d9 [2024-09-11 20:51:59,995 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f3227aeb1/858dd8f2cae74c3992b7ad741c0d8692 [2024-09-11 20:51:59,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:59,997 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:59,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:59,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:00,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:00,002 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 08:51:58" (1/2) ... [2024-09-11 20:52:00,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b98a2fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:00, skipping insertion in model container [2024-09-11 20:52:00,003 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 08:51:58" (1/2) ... [2024-09-11 20:52:00,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d2c1fee and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:00, skipping insertion in model container [2024-09-11 20:52:00,004 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:59" (2/2) ... [2024-09-11 20:52:00,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b98a2fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00, skipping insertion in model container [2024-09-11 20:52:00,005 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:59" (2/2) ... [2024-09-11 20:52:00,009 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:00,010 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:00,010 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:00,023 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:00,150 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_unwindbound1.c[454,467] [2024-09-11 20:52:00,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:00,181 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:00,209 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_unwindbound1.c[454,467] Start Parsing Local [2024-09-11 20:52:00,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:00,227 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:00,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00 WrapperNode [2024-09-11 20:52:00,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:00,228 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:00,229 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:00,229 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:00,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (1/1) ... [2024-09-11 20:52:00,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (1/1) ... [2024-09-11 20:52:00,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (1/1) ... [2024-09-11 20:52:00,252 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 20:52:00,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (1/1) ... [2024-09-11 20:52:00,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (1/1) ... [2024-09-11 20:52:00,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (1/1) ... [2024-09-11 20:52:00,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (1/1) ... [2024-09-11 20:52:00,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (1/1) ... [2024-09-11 20:52:00,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (1/1) ... [2024-09-11 20:52:00,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:00,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:00,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:00,262 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:00,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (1/1) ... [2024-09-11 20:52:00,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:00,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:00,293 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 20:52:00,295 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 20:52:00,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:00,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:00,330 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:00,330 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:00,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:00,330 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:00,330 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:00,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:00,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:00,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:00,446 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:00,447 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:00,526 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:00,564 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:00,565 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:00,595 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:00,595 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:00,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:00 BoogieIcfgContainer [2024-09-11 20:52:00,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:00,596 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:00,596 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:00,597 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:00,597 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 08:51:58" (1/4) ... [2024-09-11 20:52:00,597 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a875db7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:00, skipping insertion in model container [2024-09-11 20:52:00,597 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:59" (2/4) ... [2024-09-11 20:52:00,598 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a875db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:00, skipping insertion in model container [2024-09-11 20:52:00,598 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:00" (3/4) ... [2024-09-11 20:52:00,598 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a875db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:00, skipping insertion in model container [2024-09-11 20:52:00,598 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:00" (4/4) ... [2024-09-11 20:52:00,599 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound1.c [2024-09-11 20:52:00,605 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:00,606 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 20:52:00,606 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 20:52:00,606 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 20:52:00,606 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 20:52:00,606 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 20:52:00,607 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 20:52:00,607 INFO L130 InvariantChecker]: Will check 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 loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:52:00,633 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:00,634 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:00,634 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:00,634 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:00,635 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:00,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,658 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:00,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,659 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:00,659 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:00,660 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:00,667 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:00,677 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:00,688 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:00,688 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:00,688 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:00,688 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:00,688 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:00,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,694 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:00,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,694 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:00,694 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:00,694 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:00,695 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:00,696 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:00,708 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:00,708 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:00,709 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:00,709 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:00,709 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:00,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,713 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:00,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:00,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:00,714 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:00,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:00,720 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:00,728 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:00,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:00,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:00,728 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:00,728 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:00,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,737 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:00,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,738 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:00,738 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:00,738 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:00,738 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:00,739 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:00,746 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:00,746 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:00,746 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:00,746 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:00,747 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:00,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,750 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:00,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,750 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:00,750 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:00,750 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:00,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:00,752 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:00,759 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:00,759 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:00,760 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:00,760 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:00,760 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:00,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,761 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:00,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:00,761 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:00,762 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:00,762 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:00,762 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:00,763 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:00,766 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:00,766 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a875db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:00, skipping insertion in model container [2024-09-11 20:52:00,766 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:00,768 INFO L158 Benchmark]: Toolchain (without parser) took 770.39ms. Allocated memory is still 201.3MB. Free memory was 128.2MB in the beginning and 143.2MB in the end (delta: -15.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:00,768 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:00,768 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 201.3MB. Free memory is still 173.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:00,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.39ms. Allocated memory is still 201.3MB. Free memory was 127.9MB in the beginning and 114.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:00,769 INFO L158 Benchmark]: Boogie Preprocessor took 32.21ms. Allocated memory is still 201.3MB. Free memory was 114.6MB in the beginning and 112.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:00,770 INFO L158 Benchmark]: RCFGBuilder took 334.63ms. Allocated memory is still 201.3MB. Free memory was 112.5MB in the beginning and 162.1MB in the end (delta: -49.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:00,770 INFO L158 Benchmark]: Referee took 170.05ms. Allocated memory is still 201.3MB. Free memory was 162.1MB in the beginning and 143.2MB in the end (delta: 18.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:52:00,772 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 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. 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 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: * Witness Parser took 0.15ms. Allocated memory is still 201.3MB. Free memory is still 159.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 201.3MB. Free memory is still 173.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.39ms. Allocated memory is still 201.3MB. Free memory was 127.9MB in the beginning and 114.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.21ms. Allocated memory is still 201.3MB. Free memory was 114.6MB in the beginning and 112.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.63ms. Allocated memory is still 201.3MB. Free memory was 112.5MB in the beginning and 162.1MB in the end (delta: -49.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Referee took 170.05ms. Allocated memory is still 201.3MB. Free memory was 162.1MB in the beginning and 143.2MB in the end (delta: 18.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:00,794 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_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound1.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 20:52:02,708 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:02,773 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:02,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:02,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:02,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:02,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:02,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:02,807 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:02,808 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:02,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:02,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:02,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:02,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:02,810 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:02,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:02,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:02,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:02,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:02,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:02,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:02,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:02,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:02,815 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:02,815 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:02,816 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:02,816 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:02,816 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:02,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:02,816 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:02,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:02,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:02,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:02,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:02,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:02,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:02,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:02,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:02,818 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:02,818 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:02,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:02,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:02,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:02,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:02,820 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:02,820 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:03,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:03,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:03,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:03,101 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:03,102 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:03,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound1.yml/witness-2.1.yml [2024-09-11 20:52:03,143 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:03,143 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:03,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2024-09-11 20:52:04,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:04,779 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:04,780 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2024-09-11 20:52:04,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/46986df7a/499cf61fe07e4fac9a89d1fac5397eb2/FLAGfd2edbbe1 [2024-09-11 20:52:05,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/46986df7a/499cf61fe07e4fac9a89d1fac5397eb2 [2024-09-11 20:52:05,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:05,188 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:05,190 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:05,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:05,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:05,194 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 08:52:03" (1/2) ... [2024-09-11 20:52:05,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d25431 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:05, skipping insertion in model container [2024-09-11 20:52:05,196 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 08:52:03" (1/2) ... [2024-09-11 20:52:05,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3bc3a283 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:05, skipping insertion in model container [2024-09-11 20:52:05,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:05" (2/2) ... [2024-09-11 20:52:05,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d25431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05, skipping insertion in model container [2024-09-11 20:52:05,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:05" (2/2) ... [2024-09-11 20:52:05,220 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:05,221 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:05,221 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:05,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:05,357 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_unwindbound1.c[454,467] [2024-09-11 20:52:05,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:05,388 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:05,416 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_unwindbound1.c[454,467] Start Parsing Local [2024-09-11 20:52:05,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:05,436 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:05,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05 WrapperNode [2024-09-11 20:52:05,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:05,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:05,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:05,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:05,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (1/1) ... [2024-09-11 20:52:05,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (1/1) ... [2024-09-11 20:52:05,453 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (1/1) ... [2024-09-11 20:52:05,459 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 20:52:05,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (1/1) ... [2024-09-11 20:52:05,460 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (1/1) ... [2024-09-11 20:52:05,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (1/1) ... [2024-09-11 20:52:05,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (1/1) ... [2024-09-11 20:52:05,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (1/1) ... [2024-09-11 20:52:05,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (1/1) ... [2024-09-11 20:52:05,478 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:05,479 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:05,479 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:05,479 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:05,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (1/1) ... [2024-09-11 20:52:05,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:05,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:05,503 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 20:52:05,505 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 20:52:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:05,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:05,543 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:05,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:05,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:05,603 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:05,606 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:06,278 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:06,330 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:06,330 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:06,355 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:06,356 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:06,356 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:06 BoogieIcfgContainer [2024-09-11 20:52:06,356 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:06,357 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:06,357 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:06,358 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:06,358 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 08:52:03" (1/4) ... [2024-09-11 20:52:06,358 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12cde58d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:06, skipping insertion in model container [2024-09-11 20:52:06,359 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:05" (2/4) ... [2024-09-11 20:52:06,359 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12cde58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:06, skipping insertion in model container [2024-09-11 20:52:06,359 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:05" (3/4) ... [2024-09-11 20:52:06,359 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12cde58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:06, skipping insertion in model container [2024-09-11 20:52:06,359 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:06" (4/4) ... [2024-09-11 20:52:06,361 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound1.c [2024-09-11 20:52:06,364 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:06,364 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 20:52:06,365 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 20:52:06,365 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 20:52:06,365 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 20:52:06,365 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 20:52:06,365 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 20:52:06,366 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, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:52:06,396 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:06,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:06,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:06,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:06,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:06,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,424 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:06,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:06,425 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:06,425 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:06,425 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:06,432 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:10,502 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:10,532 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:10,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:10,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:10,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:10,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:10,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:10,540 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:10,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:10,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:10,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:10,541 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:10,541 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:14,598 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:14,631 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:14,632 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:14,632 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:14,632 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:14,632 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:14,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:14,635 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:14,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:14,636 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:14,636 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:14,636 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:14,636 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:14,641 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:14,650 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:14,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:14,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:14,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:14,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:14,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:14,664 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:14,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:14,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:14,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:14,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:14,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:18,814 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:18,875 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:18,876 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:18,876 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:18,876 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:18,876 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:18,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:18,879 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:18,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:18,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:18,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:18,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:18,881 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:18,882 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:18,892 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:18,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:18,893 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:18,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:18,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:18,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:18,895 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:18,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:18,897 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:18,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:18,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:18,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:18,899 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:18,902 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:18,902 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12cde58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:18, skipping insertion in model container [2024-09-11 20:52:18,902 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:18,911 INFO L158 Benchmark]: Toolchain (without parser) took 13715.98ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 37.3MB in the beginning and 79.1MB in the end (delta: -41.8MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-09-11 20:52:18,911 INFO L158 Benchmark]: Witness Parser took 0.23ms. 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 20:52:18,911 INFO L158 Benchmark]: CDTParser took 0.16ms. 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 20:52:18,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.57ms. Allocated memory is still 77.6MB. Free memory was 37.0MB in the beginning and 44.7MB in the end (delta: -7.7MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:18,912 INFO L158 Benchmark]: Boogie Preprocessor took 40.95ms. Allocated memory is still 77.6MB. Free memory was 44.7MB in the beginning and 42.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:18,913 INFO L158 Benchmark]: RCFGBuilder took 877.90ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 42.7MB in the beginning and 76.0MB in the end (delta: -33.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:52:18,913 INFO L158 Benchmark]: Referee took 12545.30ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 79.1MB in the end (delta: -3.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:18,915 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 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. 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. 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: * Witness Parser took 0.23ms. Allocated memory is still 77.6MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 77.6MB. Free memory is still 57.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.57ms. Allocated memory is still 77.6MB. Free memory was 37.0MB in the beginning and 44.7MB in the end (delta: -7.7MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.95ms. Allocated memory is still 77.6MB. Free memory was 44.7MB in the beginning and 42.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 877.90ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 42.7MB in the beginning and 76.0MB in the end (delta: -33.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 12545.30ms. Allocated memory is still 104.9MB. Free memory was 76.0MB in the beginning and 79.1MB in the end (delta: -3.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:18,968 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 Writing output log to file Ultimate.log Result: UNKNOWN