./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/ps2-ll.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll.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/ps2-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll.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 20:48:03,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:03,410 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:03,415 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:03,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:03,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:03,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:03,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:03,445 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:03,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:03,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:03,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:03,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:03,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:03,448 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:03,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:03,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:03,450 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:03,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:03,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:03,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:03,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:03,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:03,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:03,455 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:03,455 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:03,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:03,456 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:03,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:03,456 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:03,456 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:03,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:03,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:03,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:03,457 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:03,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:03,458 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:03,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:03,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:03,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:03,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:03,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:03,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:03,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:03,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:03,728 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:03,729 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:03,730 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:03,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll.yml/witness-2.1.yml [2024-09-11 20:48:03,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:03,819 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:03,820 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/ps2-ll.c [2024-09-11 20:48:05,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:05,360 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:05,360 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/ps2-ll.c [2024-09-11 20:48:05,366 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/230f7d1c8/47a371f562e643cf9608e5011593e0ff/FLAG65bdcf6d2 [2024-09-11 20:48:05,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/230f7d1c8/47a371f562e643cf9608e5011593e0ff [2024-09-11 20:48:05,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:05,383 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:05,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:05,385 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:05,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:05,391 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 08:48:03" (1/2) ... [2024-09-11 20:48:05,392 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339804a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,393 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 08:48:03" (1/2) ... [2024-09-11 20:48:05,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@444516b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,394 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:05" (2/2) ... [2024-09-11 20:48:05,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339804a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05, skipping insertion in model container [2024-09-11 20:48:05,395 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:05" (2/2) ... [2024-09-11 20:48:05,404 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:05,405 INFO L1541 ArrayList]: Loop invariant at [L26-L35] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:48:05,405 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:05,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:05,581 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/ps2-ll.c[454,467] [2024-09-11 20:48:05,600 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:05,608 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:05,643 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/ps2-ll.c[454,467] Start Parsing Local [2024-09-11 20:48:05,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:05,668 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:05,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05 WrapperNode [2024-09-11 20:48:05,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:05,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:05,670 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:05,670 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:05,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,693 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,709 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 20:48:05,709 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:05,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:05,726 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:05,726 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:05,727 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (1/1) ... [2024-09-11 20:48:05,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:05,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:05,767 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 20:48:05,773 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 20:48:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:05,817 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:05,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:05,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:05,884 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:05,886 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:05,977 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:06,014 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:06,014 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:06,039 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:06,040 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:06,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:06 BoogieIcfgContainer [2024-09-11 20:48:06,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:06,041 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:06,041 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:06,042 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:06,042 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 08:48:03" (1/4) ... [2024-09-11 20:48:06,042 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8a1c59e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:06, skipping insertion in model container [2024-09-11 20:48:06,043 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:05" (2/4) ... [2024-09-11 20:48:06,043 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8a1c59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:06, skipping insertion in model container [2024-09-11 20:48:06,043 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:05" (3/4) ... [2024-09-11 20:48:06,043 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8a1c59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:06, skipping insertion in model container [2024-09-11 20:48:06,043 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:06" (4/4) ... [2024-09-11 20:48:06,045 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll.c [2024-09-11 20:48:06,050 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:06,051 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:06,052 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:06,052 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 20:48:06,052 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:06,052 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 20:48:06,052 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 20:48:06,053 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:48:06,098 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:06,099 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,099 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,099 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,100 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,120 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:06,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,121 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,126 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,138 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:06,148 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:06,148 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,148 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,149 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,149 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,151 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:06,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,152 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,152 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,152 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,152 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,153 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:06,169 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:48:06,170 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,170 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,170 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,177 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:48:06,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,177 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,182 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:06,191 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:06,191 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,191 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,203 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:06,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,203 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,205 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:06,214 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:06,214 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,214 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,215 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,219 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:06,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,219 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,219 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,219 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,220 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,222 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:06,229 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:06,230 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:06,230 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:06,230 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:06,230 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:06,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,232 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:06,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:06,232 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:06,232 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:06,232 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:06,232 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:06,234 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:06,237 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:06,237 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8a1c59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:06, skipping insertion in model container [2024-09-11 20:48:06,237 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:06,239 INFO L158 Benchmark]: Toolchain (without parser) took 855.35ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 58.4MB in the beginning and 110.2MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:06,240 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 132.1MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:06,240 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:06,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.81ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 58.2MB in the beginning and 142.9MB in the end (delta: -84.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:06,241 INFO L158 Benchmark]: Boogie Preprocessor took 54.92ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 140.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:06,242 INFO L158 Benchmark]: RCFGBuilder took 314.85ms. Allocated memory is still 176.2MB. Free memory was 140.7MB in the beginning and 127.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:06,242 INFO L158 Benchmark]: Referee took 196.58ms. Allocated memory is still 176.2MB. Free memory was 127.0MB in the beginning and 110.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:06,245 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 main to loop head at line 26. Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 26 to loop head at line 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 132.1MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.81ms. Allocated memory was 132.1MB in the beginning and 176.2MB in the end (delta: 44.0MB). Free memory was 58.2MB in the beginning and 142.9MB in the end (delta: -84.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.92ms. Allocated memory is still 176.2MB. Free memory was 142.9MB in the beginning and 140.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.85ms. Allocated memory is still 176.2MB. Free memory was 140.7MB in the beginning and 127.0MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 196.58ms. Allocated memory is still 176.2MB. Free memory was 127.0MB in the beginning and 110.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:06,278 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/ps2-ll.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll.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 20:48:08,383 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:08,451 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:08,458 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:08,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:08,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:08,494 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:08,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:08,495 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:08,496 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:08,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:08,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:08,499 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:08,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:08,502 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:08,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:08,503 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:08,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:08,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:08,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:08,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:08,508 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:08,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:08,508 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:08,508 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:08,508 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:08,509 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:08,509 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:08,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:08,509 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:08,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:08,510 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:08,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:08,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:08,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:08,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:08,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:08,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:08,513 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:08,513 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:08,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:08,514 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:08,514 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:08,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:08,515 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:08,515 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:08,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:08,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:08,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:08,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:08,846 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:08,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/ps2-ll.c [2024-09-11 20:48:10,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:10,525 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:10,525 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/ps2-ll.c [2024-09-11 20:48:10,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/17817e756/36dc5aa0ade548f1862d05c15036ede1/FLAGe4a6558df [2024-09-11 20:48:10,879 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/17817e756/36dc5aa0ade548f1862d05c15036ede1 [2024-09-11 20:48:10,881 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:10,882 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:10,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll.yml/witness-2.1.yml [2024-09-11 20:48:10,928 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:10,930 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:10,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:10,931 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:10,936 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:10,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:10" (1/2) ... [2024-09-11 20:48:10,940 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d017cb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:10, skipping insertion in model container [2024-09-11 20:48:10,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:10" (1/2) ... [2024-09-11 20:48:10,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a7a1d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:10, skipping insertion in model container [2024-09-11 20:48:10,942 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 08:48:10" (2/2) ... [2024-09-11 20:48:10,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d017cb4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:10, skipping insertion in model container [2024-09-11 20:48:10,945 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 08:48:10" (2/2) ... [2024-09-11 20:48:10,952 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:10,955 INFO L1541 ArrayList]: Loop invariant at [L26-L35] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:48:10,955 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:10,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:11,129 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/ps2-ll.c[454,467] [2024-09-11 20:48:11,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:11,167 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:11,205 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/ps2-ll.c[454,467] Start Parsing Local [2024-09-11 20:48:11,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:11,232 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:11,233 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:11 WrapperNode [2024-09-11 20:48:11,233 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:11,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:11,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:11,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:11,247 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 08:48:11" (1/1) ... [2024-09-11 20:48:11,247 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 08:48:11" (1/1) ... [2024-09-11 20:48:11,255 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 08:48:11" (1/1) ... [2024-09-11 20:48:11,268 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 20:48:11,269 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 08:48:11" (1/1) ... [2024-09-11 20:48:11,269 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 08:48:11" (1/1) ... [2024-09-11 20:48:11,278 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 08:48:11" (1/1) ... [2024-09-11 20:48:11,285 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 08:48:11" (1/1) ... [2024-09-11 20:48:11,287 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 08:48:11" (1/1) ... [2024-09-11 20:48:11,287 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 08:48:11" (1/1) ... [2024-09-11 20:48:11,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:11,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:11,295 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:11,295 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:11,296 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 08:48:11" (1/1) ... [2024-09-11 20:48:11,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:11,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:11,339 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 20:48:11,347 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 20:48:11,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:11,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:11,393 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:11,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:11,473 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:11,475 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:12,199 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:12,260 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:12,260 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:12,290 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:12,291 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:48:12,291 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:12 BoogieIcfgContainer [2024-09-11 20:48:12,292 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:12,292 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:12,292 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:12,293 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:12,293 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:10" (1/4) ... [2024-09-11 20:48:12,294 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c13ed5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:12, skipping insertion in model container [2024-09-11 20:48:12,294 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 08:48:10" (2/4) ... [2024-09-11 20:48:12,294 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c13ed5d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:12, skipping insertion in model container [2024-09-11 20:48:12,294 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 08:48:11" (3/4) ... [2024-09-11 20:48:12,294 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c13ed5d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:12, skipping insertion in model container [2024-09-11 20:48:12,294 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 08:48:12" (4/4) ... [2024-09-11 20:48:12,298 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll.c [2024-09-11 20:48:12,302 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:48:12,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:12,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:12,303 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 20:48:12,304 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:12,304 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 20:48:12,304 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 20:48:12,305 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:48:12,356 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:12,357 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:12,357 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:12,358 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:12,360 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:12,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:12,384 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:12,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:12,388 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:12,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:12,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:12,393 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:12,405 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:12,424 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:12,424 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:12,424 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:12,424 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:12,424 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:12,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:12,447 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:12,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:12,447 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:12,447 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:12,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:12,448 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:16,517 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:16,549 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:48:16,549 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:16,550 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:16,550 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:16,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:16,551 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:16,555 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:48:16,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:16,555 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:16,556 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:16,556 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:16,556 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:16,560 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:16,578 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:16,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:16,578 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:16,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:16,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:16,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:16,594 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:16,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:16,595 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:16,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:16,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:16,596 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:20,791 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:20,839 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:20,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:20,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:20,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:20,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:20,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,847 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:20,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:20,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:20,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:20,848 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:20,853 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:20,867 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:20,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:20,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:20,869 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:20,869 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:20,869 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,871 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:20,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:20,872 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:20,872 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:20,873 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:20,873 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:20,874 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:20,877 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:48:20,878 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c13ed5d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:20, skipping insertion in model container [2024-09-11 20:48:20,878 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:20,881 INFO L158 Benchmark]: Toolchain (without parser) took 9951.04ms. Allocated memory is still 71.3MB. Free memory was 46.0MB in the beginning and 35.1MB in the end (delta: 10.9MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:20,882 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 50.3MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:20,883 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 71.3MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:20,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.79ms. Allocated memory is still 71.3MB. Free memory was 45.8MB in the beginning and 32.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:20,884 INFO L158 Benchmark]: Boogie Preprocessor took 57.63ms. Allocated memory is still 71.3MB. Free memory was 32.1MB in the beginning and 29.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:20,885 INFO L158 Benchmark]: RCFGBuilder took 997.94ms. Allocated memory is still 71.3MB. Free memory was 29.9MB in the beginning and 37.1MB in the end (delta: -7.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:20,887 INFO L158 Benchmark]: Referee took 8585.52ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 35.1MB in the end (delta: 2.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-09-11 20:48:20,889 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 26 to loop head at line 26. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 50.3MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 71.3MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.79ms. Allocated memory is still 71.3MB. Free memory was 45.8MB in the beginning and 32.1MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.63ms. Allocated memory is still 71.3MB. Free memory was 32.1MB in the beginning and 29.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 997.94ms. Allocated memory is still 71.3MB. Free memory was 29.9MB in the beginning and 37.1MB in the end (delta: -7.2MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Referee took 8585.52ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 35.1MB in the end (delta: 2.0MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:20,939 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