./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex1-poly.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/loop-lit/bh2017-ex1-poly.i ../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex1-poly.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 20:47:01,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:01,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:01,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:01,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:01,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:01,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:01,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:01,286 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:01,287 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:01,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:01,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:01,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:01,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:01,288 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:01,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:01,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:01,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:01,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:01,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:01,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:01,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:01,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:01,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:01,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:01,293 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:01,293 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:01,293 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:01,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:01,294 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:01,294 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:01,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:01,294 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:01,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:01,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:01,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:01,295 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:01,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:01,295 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:01,295 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:01,295 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:01,298 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:01,298 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:01,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:01,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:01,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:01,526 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:01,526 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:01,527 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex1-poly.yml/witness-2.1.yml [2024-09-11 20:47:01,589 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:01,589 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:01,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-09-11 20:47:02,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:02,992 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:02,992 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-09-11 20:47:03,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1b51d4f05/cc8ee7ecf88544e9b0ce9c447d434023/FLAG0b9cbfd89 [2024-09-11 20:47:03,410 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1b51d4f05/cc8ee7ecf88544e9b0ce9c447d434023 [2024-09-11 20:47:03,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:03,412 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:03,412 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:03,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:03,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:03,419 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 08:47:01" (1/2) ... [2024-09-11 20:47:03,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189cc4b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:03, skipping insertion in model container [2024-09-11 20:47:03,420 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 08:47:01" (1/2) ... [2024-09-11 20:47:03,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34dd260d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:03, skipping insertion in model container [2024-09-11 20:47:03,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:03" (2/2) ... [2024-09-11 20:47:03,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@189cc4b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03, skipping insertion in model container [2024-09-11 20:47:03,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:03" (2/2) ... [2024-09-11 20:47:03,432 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:03,432 INFO L1541 ArrayList]: Loop invariant at [L18-L25] ((((((2 == j) && (i == 1)) || ((i == 0) && (j == 0))) || ((((j <= 4) && (((long long) 2 * i) <= (6 + j))) && (2 <= j)) && ((2 + j) <= ((long long) 2 * i)))) || (((1 <= i) && (i <= 3)) && (j == 0))) || (((j <= 4) && (j == ((long long) 2 * i))) && (2 <= i))) [2024-09-11 20:47:03,433 INFO L1541 ArrayList]: Loop invariant at [L16-L31] ((0 < i) || (i == 0)) [2024-09-11 20:47:03,433 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:47:03,450 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:03,578 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/loop-lit/bh2017-ex1-poly.i[804,817] [2024-09-11 20:47:03,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:03,605 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:47:03,634 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/loop-lit/bh2017-ex1-poly.i[804,817] Start Parsing Local Start Parsing Local [2024-09-11 20:47:03,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:03,654 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:03,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03 WrapperNode [2024-09-11 20:47:03,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:03,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:03,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:03,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:03,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,687 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,697 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 20:47:03,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,701 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,709 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,715 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,716 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:03,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:03,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:03,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:03,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (1/1) ... [2024-09-11 20:47:03,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:03,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:03,757 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 20:47:03,767 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 20:47:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:03,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:03,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:47:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:47:03,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:03,861 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:03,863 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:03,986 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:47:04,021 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:04,021 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:04,042 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:04,042 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:47:04,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:04 BoogieIcfgContainer [2024-09-11 20:47:04,042 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:04,043 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:04,043 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:04,045 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:04,046 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 08:47:01" (1/4) ... [2024-09-11 20:47:04,046 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37d82b58 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,046 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:03" (2/4) ... [2024-09-11 20:47:04,046 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37d82b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,047 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:03" (3/4) ... [2024-09-11 20:47:04,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37d82b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,047 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:04" (4/4) ... [2024-09-11 20:47:04,048 INFO L79 RefereeObserver]: Analyzing ICFG bh2017-ex1-poly.i [2024-09-11 20:47:04,051 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:47:04,052 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:47:04,052 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:04,052 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:04,052 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:47:04,053 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:04,053 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:47:04,053 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:47:04,053 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:47:04,053 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 20:47:04,053 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:04,053 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:04,053 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 20:47:04,053 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 20:47:04,054 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:04,054 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from loop head to error location [2024-09-11 20:47:04,091 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:47:04,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,114 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:47:04,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,115 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,115 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,141 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:04,153 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:04,153 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,153 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,153 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,154 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,162 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:04,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,162 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,162 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,163 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,165 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:04,177 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:04,178 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,184 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:04,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,184 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,184 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,184 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,188 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:04,201 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:47:04,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,221 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:47:04,221 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,222 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,222 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,222 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,228 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:04,237 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:04,237 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,238 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,238 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,238 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,241 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:04,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,241 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,241 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,243 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:04,250 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:47:04,250 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,250 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,252 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,255 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,266 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:47:04,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,267 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,267 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,267 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,267 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,271 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:04,278 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:47:04,278 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,279 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,279 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,279 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,289 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-11 20:47:04,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,292 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,294 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:04,301 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:47:04,301 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,301 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,301 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,301 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,317 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-11 20:47:04,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,320 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,320 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,320 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,325 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:04,332 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:04,332 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,333 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:04,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,334 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,338 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:04,346 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:04,346 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,346 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,347 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,348 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,355 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:04,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,355 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,355 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,355 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,356 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,358 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:04,365 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:47:04,365 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,366 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,370 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:47:04,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,373 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,375 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:04,381 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:04,381 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,382 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,382 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,383 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:04,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,384 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,384 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,384 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,385 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,386 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:04,391 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:04,391 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,391 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,392 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,392 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,393 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:04,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,393 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,393 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,393 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,393 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,396 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:04,419 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:47:04,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:04,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:04,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:04,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:04,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,424 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:47:04,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:04,424 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:04,424 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:04,424 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:04,425 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:04,432 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:04,435 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:04,436 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@37d82b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:04, skipping insertion in model container [2024-09-11 20:47:04,436 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:04,438 INFO L158 Benchmark]: Toolchain (without parser) took 1025.39ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 62.9MB in the beginning and 144.6MB in the end (delta: -81.7MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,438 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:04,439 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 138.4MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:04,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.22ms. Allocated memory is still 138.4MB. Free memory was 62.6MB in the beginning and 49.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,441 INFO L158 Benchmark]: Boogie Preprocessor took 60.29ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 49.2MB in the beginning and 149.0MB in the end (delta: -99.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,441 INFO L158 Benchmark]: RCFGBuilder took 325.34ms. Allocated memory is still 180.4MB. Free memory was 148.9MB in the beginning and 135.6MB in the end (delta: 13.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,441 INFO L158 Benchmark]: Referee took 393.35ms. Allocated memory is still 180.4MB. Free memory was 135.5MB in the beginning and 144.6MB in the end (delta: -9.1MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2024-09-11 20:47:04,448 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 18 to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from loop head at line 16 to loop head at line 18. 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 13. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 138.4MB. Free memory is still 101.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 138.4MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.22ms. Allocated memory is still 138.4MB. Free memory was 62.6MB in the beginning and 49.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.29ms. Allocated memory was 138.4MB in the beginning and 180.4MB in the end (delta: 41.9MB). Free memory was 49.2MB in the beginning and 149.0MB in the end (delta: -99.8MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * RCFGBuilder took 325.34ms. Allocated memory is still 180.4MB. Free memory was 148.9MB in the beginning and 135.6MB in the end (delta: 13.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Referee took 393.35ms. Allocated memory is still 180.4MB. Free memory was 135.5MB in the beginning and 144.6MB in the end (delta: -9.1MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:04,505 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/loop-lit/bh2017-ex1-poly.i ../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex1-poly.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 20:47:06,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:06,582 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:06,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:06,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:06,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:06,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:06,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:06,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:06,608 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:06,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:06,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:06,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:06,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:06,610 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:06,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:06,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:06,611 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:06,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:06,611 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:06,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:06,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:06,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:06,618 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:06,619 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:06,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:06,619 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:06,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:06,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:06,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:06,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:06,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:06,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:06,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:06,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:06,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:06,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:06,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:06,624 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:06,624 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:06,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:06,625 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:06,625 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:06,625 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:06,626 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:06,626 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:06,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:06,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:06,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:06,910 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:06,911 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:06,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex1-poly.yml/witness-2.1.yml [2024-09-11 20:47:06,971 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:06,972 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:06,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-09-11 20:47:08,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:08,585 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:08,586 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex1-poly.i [2024-09-11 20:47:08,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ad8ee8fb3/cdf3dbd424dc4cb8868a2693653935a9/FLAG4b1eb8cbb [2024-09-11 20:47:08,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ad8ee8fb3/cdf3dbd424dc4cb8868a2693653935a9 [2024-09-11 20:47:08,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:08,957 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:08,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:08,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:08,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:08,964 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 08:47:06" (1/2) ... [2024-09-11 20:47:08,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2e9c08 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:08, skipping insertion in model container [2024-09-11 20:47:08,966 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 08:47:06" (1/2) ... [2024-09-11 20:47:08,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1bac1f5d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:08, skipping insertion in model container [2024-09-11 20:47:08,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:08" (2/2) ... [2024-09-11 20:47:08,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2e9c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:08, skipping insertion in model container [2024-09-11 20:47:08,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:08" (2/2) ... [2024-09-11 20:47:08,981 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:08,982 INFO L1541 ArrayList]: Loop invariant at [L16-L31] ((0 < i) || (i == 0)) [2024-09-11 20:47:08,983 INFO L1541 ArrayList]: Loop invariant at [L18-L25] ((((((2 == j) && (i == 1)) || ((i == 0) && (j == 0))) || ((((j <= 4) && (((long long) 2 * i) <= (6 + j))) && (2 <= j)) && ((2 + j) <= ((long long) 2 * i)))) || (((1 <= i) && (i <= 3)) && (j == 0))) || (((j <= 4) && (j == ((long long) 2 * i))) && (2 <= i))) [2024-09-11 20:47:08,983 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:47:08,997 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:09,130 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/loop-lit/bh2017-ex1-poly.i[804,817] [2024-09-11 20:47:09,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:09,157 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:47:09,185 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/loop-lit/bh2017-ex1-poly.i[804,817] Start Parsing Local Start Parsing Local [2024-09-11 20:47:09,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:09,207 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:09,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09 WrapperNode [2024-09-11 20:47:09,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:09,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:09,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:09,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:09,220 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (1/1) ... [2024-09-11 20:47:09,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (1/1) ... [2024-09-11 20:47:09,228 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (1/1) ... [2024-09-11 20:47:09,241 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 20:47:09,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (1/1) ... [2024-09-11 20:47:09,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (1/1) ... [2024-09-11 20:47:09,250 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (1/1) ... [2024-09-11 20:47:09,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (1/1) ... [2024-09-11 20:47:09,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (1/1) ... [2024-09-11 20:47:09,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (1/1) ... [2024-09-11 20:47:09,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:09,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:09,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:09,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:09,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (1/1) ... [2024-09-11 20:47:09,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:09,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:09,296 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 20:47:09,306 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 20:47:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-11 20:47:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-11 20:47:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:47:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:47:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:47:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:09,406 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:09,408 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:09,576 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:47:09,613 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:09,613 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:09,642 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:09,642 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:47:09,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:09 BoogieIcfgContainer [2024-09-11 20:47:09,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:09,643 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:09,643 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:09,644 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:09,644 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 08:47:06" (1/4) ... [2024-09-11 20:47:09,645 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27fd9727 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:09, skipping insertion in model container [2024-09-11 20:47:09,645 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:08" (2/4) ... [2024-09-11 20:47:09,646 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27fd9727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:09, skipping insertion in model container [2024-09-11 20:47:09,646 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:09" (3/4) ... [2024-09-11 20:47:09,646 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27fd9727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:09, skipping insertion in model container [2024-09-11 20:47:09,646 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:09" (4/4) ... [2024-09-11 20:47:09,648 INFO L79 RefereeObserver]: Analyzing ICFG bh2017-ex1-poly.i [2024-09-11 20:47:09,651 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:47:09,652 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:47:09,652 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:09,652 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:09,652 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:47:09,652 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:09,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:47:09,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:47:09,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:47:09,653 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 20:47:09,653 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:09,654 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:09,654 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 20:47:09,654 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 20:47:09,654 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L24 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:47:09,655 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:47:09,701 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-11 20:47:09,702 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:09,703 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:09,703 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:09,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:09,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,741 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:47:09,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,743 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:09,743 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:09,744 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:09,753 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:09,771 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:09,790 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:09,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:09,791 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:09,791 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:09,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:09,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,800 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:09,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,800 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:09,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:09,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:09,801 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:09,811 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:09,823 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:09,823 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:09,823 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:09,824 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:09,824 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:09,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,831 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:09,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,835 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:09,835 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:09,836 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:09,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:09,847 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:09,867 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:47:09,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:09,868 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:09,868 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:09,868 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:09,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,897 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:47:09,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:09,898 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:09,898 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:09,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:09,907 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:09,915 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:09,917 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:09,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:09,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:09,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:09,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,921 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:09,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,924 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:09,924 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:09,924 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:09,925 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:09,930 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:09,941 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:47:09,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:09,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:09,943 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:09,943 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:09,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,956 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:47:09,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,956 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:09,956 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:09,956 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:09,956 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:09,962 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:09,971 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:47:09,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:09,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:09,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:09,972 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:09,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,983 INFO L101 BaseMinimizeStates]: Removed 15 edges and 5 locations by large block encoding [2024-09-11 20:47:09,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:09,984 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:09,985 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:09,985 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:09,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:09,991 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:10,000 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-11 20:47:10,000 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:10,001 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:10,001 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:10,001 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:10,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,011 INFO L101 BaseMinimizeStates]: Removed 21 edges and 7 locations by large block encoding [2024-09-11 20:47:10,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,011 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:10,011 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:10,011 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:10,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:10,018 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:10,023 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:10,024 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:10,024 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:10,024 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:10,024 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:10,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,025 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:10,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,025 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:10,025 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:10,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:10,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:10,029 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:10,033 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:47:10,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:10,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:10,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:10,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:10,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,040 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:47:10,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,040 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:10,041 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:10,041 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:10,041 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:10,046 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:10,052 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:47:10,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:10,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:10,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:10,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:10,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,055 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:47:10,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,055 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:10,055 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:10,056 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:10,057 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:10,060 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:10,065 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:10,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:10,065 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:10,065 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:10,065 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:10,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,067 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:47:10,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:10,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:10,067 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:10,067 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:10,069 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:47:10,073 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:10,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:10,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:10,073 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:10,073 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:10,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,074 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:10,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,075 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:10,075 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:10,075 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:10,075 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:10,076 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:10,080 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:47:10,081 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:10,081 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:10,081 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:10,081 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:10,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,088 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:47:10,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:10,088 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:10,088 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:10,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:10,089 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:10,100 INFO L514 InvariantChecker]: The annotation(s) from loop head L24 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:47:10,104 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:10,104 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27fd9727 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:10, skipping insertion in model container [2024-09-11 20:47:10,104 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:10,105 INFO L158 Benchmark]: Toolchain (without parser) took 1147.89ms. Allocated memory was 71.3MB in the beginning and 115.3MB in the end (delta: 44.0MB). Free memory was 44.6MB in the beginning and 91.3MB in the end (delta: -46.7MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-09-11 20:47:10,106 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:10,106 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 71.3MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:10,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.61ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 30.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:10,106 INFO L158 Benchmark]: Boogie Preprocessor took 51.10ms. Allocated memory is still 71.3MB. Free memory was 30.5MB in the beginning and 28.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:10,107 INFO L158 Benchmark]: RCFGBuilder took 381.66ms. Allocated memory was 71.3MB in the beginning and 115.3MB in the end (delta: 44.0MB). Free memory was 28.3MB in the beginning and 77.5MB in the end (delta: -49.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:10,107 INFO L158 Benchmark]: Referee took 460.73ms. Allocated memory is still 115.3MB. Free memory was 77.5MB in the beginning and 91.3MB in the end (delta: -13.8MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. [2024-09-11 20:47:10,113 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 18 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 26. 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 18 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 16 to loop head at line 18. 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 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 71.3MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.61ms. Allocated memory is still 71.3MB. Free memory was 44.4MB in the beginning and 30.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.10ms. Allocated memory is still 71.3MB. Free memory was 30.5MB in the beginning and 28.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 381.66ms. Allocated memory was 71.3MB in the beginning and 115.3MB in the end (delta: 44.0MB). Free memory was 28.3MB in the beginning and 77.5MB in the end (delta: -49.2MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Referee took 460.73ms. Allocated memory is still 115.3MB. Free memory was 77.5MB in the beginning and 91.3MB in the end (delta: -13.8MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:10,133 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