./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.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_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.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 20:51:14,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:14,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:51:14,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:14,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:14,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:14,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:14,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:14,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:14,139 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:14,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:14,140 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:14,141 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:14,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:14,143 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:14,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:14,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:14,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:14,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:51:14,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:14,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:14,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:14,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:14,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:14,149 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:14,149 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:14,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:14,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:14,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:14,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:14,151 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:14,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:14,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:14,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:14,152 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:14,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:14,152 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:51:14,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:51:14,153 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:14,153 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:14,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:14,160 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:14,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:14,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:14,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:14,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:14,443 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:14,444 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:14,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-11 20:51:14,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:14,497 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:14,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-11 20:51:15,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:16,129 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:16,130 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-11 20:51:16,138 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/66688ce04/2ddb56e730d2424aaa617ccc0188ffac/FLAGa2357160c [2024-09-11 20:51:16,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/66688ce04/2ddb56e730d2424aaa617ccc0188ffac [2024-09-11 20:51:16,534 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:16,535 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:16,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:16,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:16,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:16,541 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 08:51:14" (1/2) ... [2024-09-11 20:51:16,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcfe32d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:16, skipping insertion in model container [2024-09-11 20:51:16,542 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 08:51:14" (1/2) ... [2024-09-11 20:51:16,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@749effb5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:16, skipping insertion in model container [2024-09-11 20:51:16,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:16" (2/2) ... [2024-09-11 20:51:16,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcfe32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16, skipping insertion in model container [2024-09-11 20:51:16,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:16" (2/2) ... [2024-09-11 20:51:16,555 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:16,555 INFO L1541 ArrayList]: Loop invariant at [L36-L49] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) [2024-09-11 20:51:16,555 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:16,574 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:16,725 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_unwindbound50.c[537,550] [2024-09-11 20:51:16,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:16,749 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:16,787 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_unwindbound50.c[537,550] Start Parsing Local [2024-09-11 20:51:16,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:16,818 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:16,818 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16 WrapperNode [2024-09-11 20:51:16,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:16,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:16,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:16,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:16,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (1/1) ... [2024-09-11 20:51:16,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (1/1) ... [2024-09-11 20:51:16,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (1/1) ... [2024-09-11 20:51:16,856 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 20:51:16,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (1/1) ... [2024-09-11 20:51:16,856 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (1/1) ... [2024-09-11 20:51:16,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (1/1) ... [2024-09-11 20:51:16,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (1/1) ... [2024-09-11 20:51:16,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (1/1) ... [2024-09-11 20:51:16,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (1/1) ... [2024-09-11 20:51:16,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:16,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:16,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:16,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:16,882 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (1/1) ... [2024-09-11 20:51:16,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:16,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:16,914 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 20:51:16,920 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 20:51:16,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:16,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:16,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:16,968 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:16,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:16,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:17,042 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:17,046 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:17,253 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:17,298 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:17,299 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:17,321 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:17,322 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:17,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:17 BoogieIcfgContainer [2024-09-11 20:51:17,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:17,323 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:17,323 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:17,324 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:17,324 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 08:51:14" (1/4) ... [2024-09-11 20:51:17,326 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19d0a8e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:17, skipping insertion in model container [2024-09-11 20:51:17,327 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:16" (2/4) ... [2024-09-11 20:51:17,327 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19d0a8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:17, skipping insertion in model container [2024-09-11 20:51:17,328 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:16" (3/4) ... [2024-09-11 20:51:17,328 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19d0a8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:17, skipping insertion in model container [2024-09-11 20:51:17,328 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:17" (4/4) ... [2024-09-11 20:51:17,330 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-11 20:51:17,333 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:17,336 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:51:17,336 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:17,336 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 20:51:17,336 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 20:51:17,336 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:17,337 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:17,337 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:51:17,396 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:17,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:17,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:17,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:17,404 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:17,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:17,481 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:51:17,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:17,484 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:17,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:17,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:17,499 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:21,517 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:21,547 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:21,547 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:21,547 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:21,548 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:21,548 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:21,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:21,560 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:21,560 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:21,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:21,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:21,561 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:21,561 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:25,572 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:25,588 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:25,588 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:25,588 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:25,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:25,588 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:25,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:25,591 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:25,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:25,592 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:25,592 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:25,592 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:25,593 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:25,599 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:25,617 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:25,617 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:25,617 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:25,618 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:25,618 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:25,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:25,619 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:25,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:25,619 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:25,620 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:25,620 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:25,620 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:25,621 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:25,633 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:25,633 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:25,633 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:25,633 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:25,634 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:25,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:25,641 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:25,641 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:25,642 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:25,642 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:25,642 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:25,642 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:25,648 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:25,660 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:25,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:25,660 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:25,661 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:25,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:25,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:25,725 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:51:25,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:25,726 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:25,726 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:25,727 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:25,735 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:29,747 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:51:29,753 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:51:29,753 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19d0a8e9 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 20:51:29,754 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:29,755 INFO L158 Benchmark]: Toolchain (without parser) took 13219.78ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 113.7MB in the beginning and 162.2MB in the end (delta: -48.5MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:29,756 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:29,756 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 163.6MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:29,756 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.80ms. Allocated memory is still 163.6MB. Free memory was 113.7MB in the beginning and 99.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:29,757 INFO L158 Benchmark]: Boogie Preprocessor took 60.08ms. Allocated memory is still 163.6MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:29,757 INFO L158 Benchmark]: RCFGBuilder took 441.70ms. Allocated memory is still 163.6MB. Free memory was 97.7MB in the beginning and 82.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:29,758 INFO L158 Benchmark]: Referee took 12430.89ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 82.2MB in the beginning and 162.2MB in the end (delta: -80.0MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-09-11 20:51:29,760 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 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. 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 36. 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 0.18ms. Allocated memory is still 163.6MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.91ms. Allocated memory is still 163.6MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.80ms. Allocated memory is still 163.6MB. Free memory was 113.7MB in the beginning and 99.8MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.08ms. Allocated memory is still 163.6MB. Free memory was 99.8MB in the beginning and 97.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 441.70ms. Allocated memory is still 163.6MB. Free memory was 97.7MB in the beginning and 82.2MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12430.89ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 82.2MB in the beginning and 162.2MB in the end (delta: -80.0MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:29,792 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_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.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 20:51:31,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:51:32,012 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:51:32,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:51:32,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:51:32,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:51:32,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:51:32,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:51:32,057 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:51:32,058 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:51:32,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:51:32,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:51:32,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:51:32,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:51:32,060 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:51:32,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:51:32,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:51:32,061 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:51:32,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:51:32,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:51:32,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:51:32,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:51:32,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:51:32,067 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:51:32,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:51:32,068 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:51:32,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:51:32,069 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:51:32,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:51:32,070 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:51:32,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:51:32,071 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:51:32,071 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:51:32,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:51:32,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:32,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:51:32,073 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:51:32,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:51:32,074 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:51:32,074 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:51:32,074 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:51:32,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:51:32,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:51:32,075 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:51:32,075 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:51:32,075 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:51:32,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:51:32,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:51:32,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:51:32,434 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:32,435 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:32,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-11 20:51:32,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:51:32,490 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:51:32,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-11 20:51:34,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:34,209 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:34,213 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-11 20:51:34,221 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1174a8dbd/77f11d824b9f4741aea05eabdc87b180/FLAG8f16ea0d9 [2024-09-11 20:51:34,612 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1174a8dbd/77f11d824b9f4741aea05eabdc87b180 [2024-09-11 20:51:34,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:34,614 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:34,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:34,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:34,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:34,624 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 08:51:32" (1/2) ... [2024-09-11 20:51:34,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402415fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:34, skipping insertion in model container [2024-09-11 20:51:34,626 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 08:51:32" (1/2) ... [2024-09-11 20:51:34,628 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@168e2428 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:34, skipping insertion in model container [2024-09-11 20:51:34,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:34" (2/2) ... [2024-09-11 20:51:34,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@402415fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34, skipping insertion in model container [2024-09-11 20:51:34,632 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:34" (2/2) ... [2024-09-11 20:51:34,641 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:34,642 INFO L1541 ArrayList]: Loop invariant at [L36-L49] (((((unsigned long long) a * b) % 2147483648) * 2) == ((((unsigned long long) v * y) + ((unsigned long long) u * x)) % 4294967296)) [2024-09-11 20:51:34,642 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:51:34,660 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:34,840 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_unwindbound50.c[537,550] [2024-09-11 20:51:34,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:34,881 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:34,919 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_unwindbound50.c[537,550] Start Parsing Local [2024-09-11 20:51:34,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:34,955 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:34,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34 WrapperNode [2024-09-11 20:51:34,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:34,957 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:34,957 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:34,957 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:34,970 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (1/1) ... [2024-09-11 20:51:34,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (1/1) ... [2024-09-11 20:51:34,979 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (1/1) ... [2024-09-11 20:51:34,987 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 20:51:34,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (1/1) ... [2024-09-11 20:51:34,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (1/1) ... [2024-09-11 20:51:34,997 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (1/1) ... [2024-09-11 20:51:35,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (1/1) ... [2024-09-11 20:51:35,002 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (1/1) ... [2024-09-11 20:51:35,003 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (1/1) ... [2024-09-11 20:51:35,006 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:35,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:35,007 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:35,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:35,007 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (1/1) ... [2024-09-11 20:51:35,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:35,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:35,036 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 20:51:35,038 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 20:51:35,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:35,079 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:35,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:51:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:51:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:35,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:51:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:51:35,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:35,146 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:35,149 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:35,500 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:35,543 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:35,543 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:35,586 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:35,586 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:51:35,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:35 BoogieIcfgContainer [2024-09-11 20:51:35,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:35,587 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:35,588 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:35,588 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:35,589 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 08:51:32" (1/4) ... [2024-09-11 20:51:35,589 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14fe6a98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,589 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:34" (2/4) ... [2024-09-11 20:51:35,590 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14fe6a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,590 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:34" (3/4) ... [2024-09-11 20:51:35,590 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14fe6a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:35, skipping insertion in model container [2024-09-11 20:51:35,590 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:35" (4/4) ... [2024-09-11 20:51:35,591 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-11 20:51:35,594 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:51:35,595 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:51:35,595 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:35,595 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 20:51:35,595 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 20:51:35,595 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:35,596 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:35,596 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, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:51:35,645 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:35,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:35,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:35,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:35,655 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:35,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,702 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:51:35,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,703 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:35,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:35,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:35,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:35,766 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:35,785 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:35,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:35,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:35,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:35,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:35,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,803 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:35,803 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,803 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:35,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:35,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:35,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:35,853 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:35,884 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:35,885 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:35,885 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:35,885 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:35,885 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:35,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,891 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:35,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,892 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:35,892 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:35,892 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:35,892 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:35,900 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:35,914 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:35,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:35,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:35,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:35,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:35,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,919 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:35,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:35,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:35,920 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:35,920 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:35,922 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:35,939 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:35,940 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:35,940 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:35,940 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:35,941 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:35,941 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,957 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:35,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:35,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:35,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:35,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:35,958 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,011 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:36,026 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:36,027 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:36,028 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:36,028 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:36,028 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:36,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,057 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:51:36,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:36,058 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:36,058 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:36,058 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:36,062 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:36,069 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:36,072 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:51:36,075 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14fe6a98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:36, skipping insertion in model container [2024-09-11 20:51:36,075 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:36,077 INFO L158 Benchmark]: Toolchain (without parser) took 1462.41ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 45.2MB in the end (delta: -510.0kB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,078 INFO L158 Benchmark]: Witness Parser took 0.94ms. Allocated memory is still 52.4MB. Free memory is still 29.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:36,079 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:36,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.67ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 50.6MB in the end (delta: -6.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,080 INFO L158 Benchmark]: Boogie Preprocessor took 48.56ms. Allocated memory is still 79.7MB. Free memory was 50.6MB in the beginning and 48.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,081 INFO L158 Benchmark]: RCFGBuilder took 580.58ms. Allocated memory is still 79.7MB. Free memory was 48.3MB in the beginning and 56.0MB in the end (delta: -7.8MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,082 INFO L158 Benchmark]: Referee took 488.16ms. Allocated memory is still 79.7MB. Free memory was 56.0MB in the beginning and 45.2MB in the end (delta: 10.8MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:36,085 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 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds 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. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.94ms. Allocated memory is still 52.4MB. Free memory is still 29.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 338.67ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 50.6MB in the end (delta: -6.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.56ms. Allocated memory is still 79.7MB. Free memory was 50.6MB in the beginning and 48.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 580.58ms. Allocated memory is still 79.7MB. Free memory was 48.3MB in the beginning and 56.0MB in the end (delta: -7.8MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Referee took 488.16ms. Allocated memory is still 79.7MB. Free memory was 56.0MB in the beginning and 45.2MB in the end (delta: 10.8MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:36,117 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