./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:51:16,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:16,581 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:16,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:16,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:16,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:16,610 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:16,611 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:16,611 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:16,614 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:16,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:16,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:16,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:16,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:16,615 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:16,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:16,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:16,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:16,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:16,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:16,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:16,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:16,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:16,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:16,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:16,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:16,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:16,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:16,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:16,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:16,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:16,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:16,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:16,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:16,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:16,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:16,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:16,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:16,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:16,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:16,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:16,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:16,623 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:16,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:16,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:16,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:16,916 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:16,917 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:16,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-11 20:51:16,969 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:16,969 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:16,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-11 20:51:18,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:18,545 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:18,546 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-11 20:51:18,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2baf8e891/2d1d716045d34fe89020b8f39603ae39/FLAGad782d69a [2024-09-11 20:51:18,956 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2baf8e891/2d1d716045d34fe89020b8f39603ae39 [2024-09-11 20:51:18,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:18,960 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:18,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:18,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:18,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:18,966 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:16" (1/2) ... [2024-09-11 20:51:18,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebeee77 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:18, skipping insertion in model container [2024-09-11 20:51:18,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:16" (1/2) ... [2024-09-11 20:51:18,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@648a6e61 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:18, skipping insertion in model container [2024-09-11 20:51:18,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:18" (2/2) ... [2024-09-11 20:51:18,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebeee77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:18, skipping insertion in model container [2024-09-11 20:51:18,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:18" (2/2) ... [2024-09-11 20:51:18,977 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:18,977 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((((b == u) && (b == y)) && (a == v)) && (b <= (((b / 4294967296) * 4294967296) + 1))) && (1 <= (x % 4294967296))) && (1 <= (b % 4294967296))) && (a <= ((4294967296 * (a / 4294967296)) + 1))) && (a == x)) [2024-09-11 20:51:18,977 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-11 20:51:18,977 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:19,003 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:19,200 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[537,550] [2024-09-11 20:51:19,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:19,236 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:19,276 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[537,550] Start Parsing Local [2024-09-11 20:51:19,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:19,306 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:19,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19 WrapperNode [2024-09-11 20:51:19,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:19,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:19,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:19,308 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:19,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (1/1) ... [2024-09-11 20:51:19,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (1/1) ... [2024-09-11 20:51:19,348 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (1/1) ... [2024-09-11 20:51:19,368 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:51:19,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (1/1) ... [2024-09-11 20:51:19,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (1/1) ... [2024-09-11 20:51:19,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (1/1) ... [2024-09-11 20:51:19,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (1/1) ... [2024-09-11 20:51:19,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (1/1) ... [2024-09-11 20:51:19,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (1/1) ... [2024-09-11 20:51:19,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:19,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:19,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:19,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:19,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (1/1) ... [2024-09-11 20:51:19,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:19,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:19,447 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 20:51:19,452 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 20:51:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:19,680 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:19,708 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:19,973 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:20,006 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:20,007 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:20,026 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:20,027 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:20,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:20 BoogieIcfgContainer [2024-09-11 20:51:20,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:20,028 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:20,028 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:20,029 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:20,029 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:16" (1/4) ... [2024-09-11 20:51:20,029 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@23d3ff5d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:20, skipping insertion in model container [2024-09-11 20:51:20,029 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:18" (2/4) ... [2024-09-11 20:51:20,030 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@23d3ff5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:20, skipping insertion in model container [2024-09-11 20:51:20,030 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:19" (3/4) ... [2024-09-11 20:51:20,030 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@23d3ff5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:20, skipping insertion in model container [2024-09-11 20:51:20,030 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:20" (4/4) ... [2024-09-11 20:51:20,031 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-11 20:51:20,034 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:20,035 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:20,035 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:20,035 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:20,035 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 20:51:20,036 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 20:51:20,036 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:51:20,036 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:20,036 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-11 20:51:20,072 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:20,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:20,074 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:20,074 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:20,075 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:20,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:20,083 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:20,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:20,084 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:20,084 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:20,085 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:20,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:20,100 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:20,116 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:20,116 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:20,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:20,116 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:20,116 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:20,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:20,133 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:20,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:20,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:20,134 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:20,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:20,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:20,136 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:20,151 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:20,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:20,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:20,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:20,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:20,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:20,158 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:20,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:20,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:20,158 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:20,158 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:20,158 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,162 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:24,187 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:24,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:24,187 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:24,187 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:24,187 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:24,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,189 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:24,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,190 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:24,190 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:24,190 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:24,190 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,191 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:24,201 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:24,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:24,202 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:24,202 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:24,202 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:24,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,203 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:24,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:24,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:24,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:24,204 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,205 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:24,214 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:51:24,215 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:24,215 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:24,215 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:24,215 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:24,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,230 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:51:24,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,230 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:24,231 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:24,231 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:24,231 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,233 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:24,245 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:24,245 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:24,245 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:24,245 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:24,245 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:24,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,272 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:24,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:24,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:24,273 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:24,273 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:24,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:24,284 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:24,291 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:24,292 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@23d3ff5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:24, skipping insertion in model container [2024-09-11 20:51:24,292 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:24,293 INFO L158 Benchmark]: Toolchain (without parser) took 5333.09ms. Allocated memory is still 174.1MB. Free memory was 140.7MB in the beginning and 86.6MB in the end (delta: 54.2MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:24,294 INFO L158 Benchmark]: Witness Parser took 0.48ms. Allocated memory is still 174.1MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:24,294 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:24,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.16ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 126.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:24,295 INFO L158 Benchmark]: Boogie Preprocessor took 91.33ms. Allocated memory is still 174.1MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:24,295 INFO L158 Benchmark]: RCFGBuilder took 627.79ms. Allocated memory is still 174.1MB. Free memory was 124.1MB in the beginning and 132.2MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:51:24,296 INFO L158 Benchmark]: Referee took 4264.07ms. Allocated memory is still 174.1MB. Free memory was 131.6MB in the beginning and 86.6MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-11 20:51:24,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. 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 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. 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 0.48ms. Allocated memory is still 174.1MB. Free memory is still 145.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 174.1MB. Free memory is still 143.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.16ms. Allocated memory is still 174.1MB. Free memory was 140.1MB in the beginning and 126.8MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.33ms. Allocated memory is still 174.1MB. Free memory was 126.8MB in the beginning and 124.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 627.79ms. Allocated memory is still 174.1MB. Free memory was 124.1MB in the beginning and 132.2MB in the end (delta: -8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 4264.07ms. Allocated memory is still 174.1MB. Free memory was 131.6MB in the beginning and 86.6MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:24,324 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.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 20:51:26,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:26,389 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:26,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:26,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:26,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:26,418 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:26,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:26,419 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:26,419 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:26,419 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:26,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:26,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:26,423 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:26,423 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:26,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:26,424 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:26,424 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:26,424 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:26,424 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:26,425 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:26,425 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:26,425 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:26,425 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:26,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:26,429 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:26,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:26,430 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:26,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:26,430 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:26,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:26,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:26,430 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:26,430 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:26,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:26,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:26,431 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:26,431 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:26,431 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:26,431 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:26,432 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:26,432 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:26,432 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:26,432 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:26,434 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:26,434 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:26,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:26,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:26,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:26,685 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:26,686 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:26,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-11 20:51:26,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:26,730 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:26,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-11 20:51:28,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:28,256 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:28,256 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-11 20:51:28,262 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a5ff0cb3c/983f3500663d44b6b68e1b306d8d7ed9/FLAG1bad36de4 [2024-09-11 20:51:28,667 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a5ff0cb3c/983f3500663d44b6b68e1b306d8d7ed9 [2024-09-11 20:51:28,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:28,668 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:28,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:28,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:28,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:28,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:26" (1/2) ... [2024-09-11 20:51:28,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e00a4a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:28, skipping insertion in model container [2024-09-11 20:51:28,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:26" (1/2) ... [2024-09-11 20:51:28,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b00f563 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:28, skipping insertion in model container [2024-09-11 20:51:28,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:28" (2/2) ... [2024-09-11 20:51:28,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e00a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28, skipping insertion in model container [2024-09-11 20:51:28,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:28" (2/2) ... [2024-09-11 20:51:28,683 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:28,684 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((((b == u) && (b == y)) && (a == v)) && (b <= (((b / 4294967296) * 4294967296) + 1))) && (1 <= (x % 4294967296))) && (1 <= (b % 4294967296))) && (a <= ((4294967296 * (a / 4294967296)) + 1))) && (a == x)) [2024-09-11 20:51:28,684 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:51:28,684 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-11 20:51:28,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:28,861 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[537,550] [2024-09-11 20:51:28,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:28,896 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:51:28,937 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[537,550] Start Parsing Local [2024-09-11 20:51:28,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:28,977 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:28,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28 WrapperNode [2024-09-11 20:51:28,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:28,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:28,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:28,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:28,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (1/1) ... [2024-09-11 20:51:28,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (1/1) ... [2024-09-11 20:51:29,006 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (1/1) ... [2024-09-11 20:51:29,022 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:51:29,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (1/1) ... [2024-09-11 20:51:29,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (1/1) ... [2024-09-11 20:51:29,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (1/1) ... [2024-09-11 20:51:29,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (1/1) ... [2024-09-11 20:51:29,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (1/1) ... [2024-09-11 20:51:29,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (1/1) ... [2024-09-11 20:51:29,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:29,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:29,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:29,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:29,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (1/1) ... [2024-09-11 20:51:29,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:29,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:29,088 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 20:51:29,092 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 20:51:29,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:29,127 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:29,128 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:29,128 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:29,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:29,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:29,191 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:29,193 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:29,429 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:29,458 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:29,458 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:29,476 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:29,476 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:29,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:29 BoogieIcfgContainer [2024-09-11 20:51:29,477 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:29,477 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:29,477 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:29,478 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:29,478 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:26" (1/4) ... [2024-09-11 20:51:29,478 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57aa8251 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:29, skipping insertion in model container [2024-09-11 20:51:29,478 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:28" (2/4) ... [2024-09-11 20:51:29,478 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57aa8251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:29, skipping insertion in model container [2024-09-11 20:51:29,479 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:28" (3/4) ... [2024-09-11 20:51:29,479 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57aa8251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:29, skipping insertion in model container [2024-09-11 20:51:29,479 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:29" (4/4) ... [2024-09-11 20:51:29,480 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-11 20:51:29,482 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:29,483 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:29,483 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:51:29,483 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:29,483 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 20:51:29,483 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 20:51:29,484 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:51:29,484 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:29,484 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:51:29,529 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:51:29,530 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:29,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:29,534 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:29,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:29,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,550 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:51:29,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,551 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:29,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:29,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:29,553 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:29,566 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:29,603 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:51:29,606 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:29,606 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:29,607 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:29,607 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:29,607 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,634 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:51:29,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:29,634 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:29,634 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:29,635 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:29,638 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:29,661 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:29,666 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:29,666 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:29,666 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:29,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:29,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,675 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:29,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,676 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:29,676 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:29,676 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:29,676 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:29,682 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:29,698 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:29,699 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:29,699 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:29,699 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:29,700 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:29,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,703 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:29,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:29,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:29,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:29,706 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:29,708 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:29,726 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:29,730 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:29,730 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:29,730 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:29,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:29,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,732 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:29,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,732 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:29,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:29,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:29,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:29,735 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:29,754 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:51:29,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:29,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:29,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:29,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:29,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,772 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:51:29,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,773 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:29,773 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:29,773 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:29,773 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:29,783 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:29,796 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-11 20:51:29,797 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:29,798 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:29,798 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:29,798 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:29,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,820 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-11 20:51:29,820 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:29,820 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:29,821 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:29,821 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:29,825 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:29,844 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:29,851 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:51:29,851 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57aa8251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:29, skipping insertion in model container [2024-09-11 20:51:29,851 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:29,853 INFO L158 Benchmark]: Toolchain (without parser) took 1184.57ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 45.5MB in the beginning and 65.6MB in the end (delta: -20.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-09-11 20:51:29,855 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 52.5MB in the end (delta: 144.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:29,855 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:29,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.16ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 56.9MB in the end (delta: -11.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-09-11 20:51:29,856 INFO L158 Benchmark]: Boogie Preprocessor took 76.86ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 54.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:29,858 INFO L158 Benchmark]: RCFGBuilder took 420.70ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 36.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:29,858 INFO L158 Benchmark]: Referee took 375.02ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 36.9MB in the beginning and 66.3MB in the end (delta: -29.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:29,860 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __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 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 83.9MB. Free memory was 52.7MB in the beginning and 52.5MB in the end (delta: 144.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.16ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 56.9MB in the end (delta: -11.6MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.86ms. Allocated memory is still 83.9MB. Free memory was 56.6MB in the beginning and 54.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 420.70ms. Allocated memory is still 83.9MB. Free memory was 54.3MB in the beginning and 36.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 375.02ms. Allocated memory was 83.9MB in the beginning and 132.1MB in the end (delta: 48.2MB). Free memory was 36.9MB in the beginning and 66.3MB in the end (delta: -29.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:29,886 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN