./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.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_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:12:34,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:12:34,665 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:12:34,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:12:34,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:12:34,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:12:34,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:12:34,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:12:34,694 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:12:34,694 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:12:34,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:12:34,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:12:34,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:12:34,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:12:34,696 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:12:34,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:12:34,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:12:34,697 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:12:34,697 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:12:34,697 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:12:34,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:12:34,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:12:34,698 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:12:34,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:12:34,699 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:12:34,699 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:12:34,699 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:12:34,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:12:34,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:12:34,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:12:34,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:12:34,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:12:34,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:34,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:12:34,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:12:34,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:12:34,701 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:12:34,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:12:34,701 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:12:34,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:12:34,702 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:12:34,702 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:12:34,702 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:12:34,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:12:34,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:12:34,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:12:34,916 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:12:34,917 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:12:34,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-12 20:12:34,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:12:34,958 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:12:34,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-12 20:12:36,155 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:12:36,291 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:12:36,292 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-12 20:12:36,297 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f5a1db52b/e9320967f0314362a89a362e364fedfb/FLAGbd6cb27d4 [2024-09-12 20:12:36,308 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f5a1db52b/e9320967f0314362a89a362e364fedfb [2024-09-12 20:12:36,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:12:36,309 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:12:36,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:36,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:12:36,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:12:36,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:34" (1/2) ... [2024-09-12 20:12:36,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ff4e2b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:36, skipping insertion in model container [2024-09-12 20:12:36,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:34" (1/2) ... [2024-09-12 20:12:36,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f044c8f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:36, skipping insertion in model container [2024-09-12 20:12:36,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:36" (2/2) ... [2024-09-12 20:12:36,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ff4e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36, skipping insertion in model container [2024-09-12 20:12:36,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:36" (2/2) ... [2024-09-12 20:12:36,324 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:12:36,325 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-12 20:12:36,325 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:12:36,325 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-12 20:12:36,340 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:12:36,451 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_valuebound100.c[537,550] [2024-09-12 20:12:36,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:36,473 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:12:36,498 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_valuebound100.c[537,550] Start Parsing Local [2024-09-12 20:12:36,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:36,516 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:12:36,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36 WrapperNode [2024-09-12 20:12:36,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:36,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:12:36,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:12:36,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:12:36,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (1/1) ... [2024-09-12 20:12:36,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (1/1) ... [2024-09-12 20:12:36,532 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (1/1) ... [2024-09-12 20:12:36,539 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 [2024-09-12 20:12:36,540 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (1/1) ... [2024-09-12 20:12:36,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (1/1) ... [2024-09-12 20:12:36,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (1/1) ... [2024-09-12 20:12:36,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (1/1) ... [2024-09-12 20:12:36,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (1/1) ... [2024-09-12 20:12:36,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (1/1) ... [2024-09-12 20:12:36,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:12:36,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:12:36,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:12:36,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:12:36,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (1/1) ... [2024-09-12 20:12:36,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:36,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:12:36,583 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) [2024-09-12 20:12:36,586 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 [2024-09-12 20:12:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:12:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:12:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:12:36,623 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:12:36,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:12:36,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:12:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:12:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:12:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:12:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:12:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:12:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:12:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:12:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:12:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:12:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:12:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:12:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:12:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:12:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:12:36,683 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:12:36,686 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:12:36,869 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:36,909 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 20:12:36,910 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:12:36,936 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:12:36,936 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:12:36,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:36 BoogieIcfgContainer [2024-09-12 20:12:36,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:12:36,937 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:12:36,938 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:12:36,938 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:12:36,938 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:34" (1/4) ... [2024-09-12 20:12:36,939 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e00ab7c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:36, skipping insertion in model container [2024-09-12 20:12:36,940 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:12:36" (2/4) ... [2024-09-12 20:12:36,940 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e00ab7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:36, skipping insertion in model container [2024-09-12 20:12:36,940 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:36" (3/4) ... [2024-09-12 20:12:36,940 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e00ab7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:36, skipping insertion in model container [2024-09-12 20:12:36,940 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:36" (4/4) ... [2024-09-12 20:12:36,941 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-12 20:12:36,945 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:12:36,946 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:36,946 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 20:12:36,946 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:36,947 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:36,947 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:36,947 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 20:12:36,947 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:12:36,947 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-12 20:12:36,988 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:12:36,988 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:36,989 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:36,989 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:36,990 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:36,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:36,998 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:12:37,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:37,000 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:37,000 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:37,000 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:37,002 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:37,016 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:37,034 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 20:12:37,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:37,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:37,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:37,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:37,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:37,062 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:12:37,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:37,063 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:37,063 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:37,063 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:37,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:37,070 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:37,084 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:37,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:37,084 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:37,084 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:37,084 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:37,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:37,092 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:37,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:37,092 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:37,092 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:37,092 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:37,092 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:41,103 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:12:41,117 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:12:41,117 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:41,117 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:41,117 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:41,118 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:41,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,120 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:12:41,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,120 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:41,120 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:41,120 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:41,121 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:41,122 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:41,136 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:41,137 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:41,137 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:41,137 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:41,137 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:41,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,138 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:41,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,138 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:41,138 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:41,139 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:41,139 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:41,140 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:12:41,149 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:12:41,149 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:41,149 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:41,149 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:41,149 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:41,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,163 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:12:41,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:41,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:41,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:41,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:41,165 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:41,175 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 20:12:41,175 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:41,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:41,175 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:41,175 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:41,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,200 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 20:12:41,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,201 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:41,201 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:41,201 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:41,206 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:45,216 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:12:45,220 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 20:12:45,221 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e00ab7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:12:45, skipping insertion in model container [2024-09-12 20:12:45,221 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:12:45,222 INFO L158 Benchmark]: Toolchain (without parser) took 8912.17ms. Allocated memory is still 148.9MB. Free memory was 94.7MB in the beginning and 92.7MB in the end (delta: 2.0MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2024-09-12 20:12:45,222 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 148.9MB. Free memory was 114.8MB in the beginning and 114.6MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:45,223 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 148.9MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:45,223 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.05ms. Allocated memory is still 148.9MB. Free memory was 94.7MB in the beginning and 80.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:12:45,223 INFO L158 Benchmark]: Boogie Preprocessor took 33.23ms. Allocated memory is still 148.9MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 20:12:45,224 INFO L158 Benchmark]: RCFGBuilder took 385.84ms. Allocated memory is still 148.9MB. Free memory was 78.6MB in the beginning and 61.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 20:12:45,224 INFO L158 Benchmark]: Referee took 8283.90ms. Allocated memory is still 148.9MB. Free memory was 61.8MB in the beginning and 92.7MB in the end (delta: -30.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-12 20:12:45,226 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. Insufficient resources for checking whether 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 __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 entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 148.9MB. Free memory was 114.8MB in the beginning and 114.6MB in the end (delta: 243.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.63ms. Allocated memory is still 148.9MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.05ms. Allocated memory is still 148.9MB. Free memory was 94.7MB in the beginning and 80.6MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.23ms. Allocated memory is still 148.9MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 385.84ms. Allocated memory is still 148.9MB. Free memory was 78.6MB in the beginning and 61.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8283.90ms. Allocated memory is still 148.9MB. Free memory was 61.8MB in the beginning and 92.7MB in the end (delta: -30.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:12:45,249 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_valuebound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:12:47,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:12:47,095 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 20:12:47,099 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:12:47,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:12:47,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:12:47,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:12:47,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:12:47,128 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:12:47,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:12:47,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:12:47,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:12:47,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:12:47,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:12:47,134 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:12:47,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:12:47,134 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:12:47,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:12:47,135 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:12:47,135 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:12:47,135 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:12:47,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:12:47,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:12:47,136 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 20:12:47,136 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 20:12:47,136 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:12:47,136 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 20:12:47,136 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:12:47,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:12:47,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:12:47,137 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:12:47,137 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:12:47,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:12:47,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:12:47,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:47,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:12:47,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:12:47,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:12:47,138 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 20:12:47,138 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 20:12:47,138 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:12:47,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:12:47,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:12:47,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:12:47,141 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 20:12:47,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:12:47,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:12:47,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:12:47,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:12:47,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:12:47,389 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:12:47,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-12 20:12:48,542 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:12:48,729 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:12:48,730 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound100.c [2024-09-12 20:12:48,735 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cd55aad41/3a3b70cf46e7447cbe64e69c6886b199/FLAG48067a3a9 [2024-09-12 20:12:49,106 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cd55aad41/3a3b70cf46e7447cbe64e69c6886b199 [2024-09-12 20:12:49,108 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:12:49,109 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:12:49,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound100.yml/witness-2.1.yml [2024-09-12 20:12:49,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:12:49,154 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:12:49,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:49,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:12:49,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:12:49,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:49" (1/2) ... [2024-09-12 20:12:49,162 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2159ac0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:49, skipping insertion in model container [2024-09-12 20:12:49,162 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:49" (1/2) ... [2024-09-12 20:12:49,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ba30f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:49, skipping insertion in model container [2024-09-12 20:12:49,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:49" (2/2) ... [2024-09-12 20:12:49,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2159ac0c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49, skipping insertion in model container [2024-09-12 20:12:49,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:49" (2/2) ... [2024-09-12 20:12:49,168 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:12:49,172 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-12 20:12:49,172 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-12 20:12:49,172 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:12:49,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:12:49,302 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_valuebound100.c[537,550] [2024-09-12 20:12:49,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:49,330 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:12:49,362 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_valuebound100.c[537,550] Start Parsing Local [2024-09-12 20:12:49,374 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:49,392 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:12:49,393 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49 WrapperNode [2024-09-12 20:12:49,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:49,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:12:49,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:12:49,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:12:49,404 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (1/1) ... [2024-09-12 20:12:49,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (1/1) ... [2024-09-12 20:12:49,413 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (1/1) ... [2024-09-12 20:12:49,434 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 [2024-09-12 20:12:49,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (1/1) ... [2024-09-12 20:12:49,435 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (1/1) ... [2024-09-12 20:12:49,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (1/1) ... [2024-09-12 20:12:49,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (1/1) ... [2024-09-12 20:12:49,448 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (1/1) ... [2024-09-12 20:12:49,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (1/1) ... [2024-09-12 20:12:49,452 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:12:49,453 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:12:49,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:12:49,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:12:49,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (1/1) ... [2024-09-12 20:12:49,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:49,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:12:49,504 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) [2024-09-12 20:12:49,510 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 [2024-09-12 20:12:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:12:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:12:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:12:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:12:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:12:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:12:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:12:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:12:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:12:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:12:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:12:49,547 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:12:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:12:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:12:49,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:12:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 20:12:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:12:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 20:12:49,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 20:12:49,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:12:49,616 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:12:49,618 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:12:49,958 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:49,992 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 20:12:49,992 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:12:50,020 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:12:50,022 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:12:50,022 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:50 BoogieIcfgContainer [2024-09-12 20:12:50,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:12:50,023 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:12:50,023 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:12:50,024 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:12:50,024 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:12:49" (1/4) ... [2024-09-12 20:12:50,024 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15f2bbea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:50, skipping insertion in model container [2024-09-12 20:12:50,024 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:49" (2/4) ... [2024-09-12 20:12:50,025 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15f2bbea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:50, skipping insertion in model container [2024-09-12 20:12:50,025 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:49" (3/4) ... [2024-09-12 20:12:50,025 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15f2bbea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:50, skipping insertion in model container [2024-09-12 20:12:50,025 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:50" (4/4) ... [2024-09-12 20:12:50,027 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound100.c [2024-09-12 20:12:50,029 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:12:50,030 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:50,030 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 20:12:50,030 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:50,030 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:50,030 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:50,031 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 20:12:50,031 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:12:50,031 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 [2024-09-12 20:12:50,079 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:12:50,079 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:50,080 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:50,080 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:50,081 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:50,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,090 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:12:50,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,091 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:50,091 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:50,091 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:50,093 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:50,113 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:50,141 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 20:12:50,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:50,142 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:50,143 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:50,143 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:50,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,160 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:12:50,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:50,161 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:50,161 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:50,163 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:50,165 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:50,189 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:50,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:50,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:50,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:50,190 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:50,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,195 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:50,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,195 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:50,195 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:50,195 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:50,195 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:50,233 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:50,254 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:12:50,254 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:50,254 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:50,254 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:50,254 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:50,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,261 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:12:50,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,261 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:50,261 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:50,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:50,262 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:50,265 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:50,276 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:50,276 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:50,276 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:50,276 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:50,276 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:50,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,278 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:50,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:50,282 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:50,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:50,283 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:50,285 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:12:50,296 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:12:50,297 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:50,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:50,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:50,298 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:50,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,313 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:12:50,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:50,315 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:50,315 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:50,315 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:50,315 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:51,463 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:51,477 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 20:12:51,477 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:51,478 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:51,478 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:51,478 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:51,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:51,493 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 20:12:51,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:51,494 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:51,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:51,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:51,498 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:51,516 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:51,523 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 20:12:51,524 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15f2bbea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:12:51, skipping insertion in model container [2024-09-12 20:12:51,524 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:12:51,525 INFO L158 Benchmark]: Toolchain (without parser) took 2370.38ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 48.8MB in the beginning and 62.7MB in the end (delta: -13.8MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2024-09-12 20:12:51,525 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 73.4MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:51,526 INFO L158 Benchmark]: Witness Parser took 1.14ms. Allocated memory is still 73.4MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:51,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.49ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 34.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:12:51,526 INFO L158 Benchmark]: Boogie Preprocessor took 57.72ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 34.5MB in the beginning and 89.6MB in the end (delta: -55.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-09-12 20:12:51,527 INFO L158 Benchmark]: RCFGBuilder took 569.84ms. Allocated memory is still 111.1MB. Free memory was 89.6MB in the beginning and 72.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 20:12:51,527 INFO L158 Benchmark]: Referee took 1500.78ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 62.7MB in the end (delta: 9.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-09-12 20:12:51,529 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 assume_abort_if_not to exit of procedure assume_abort_if_not. 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 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 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 loop head at line 37 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 73.4MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.14ms. Allocated memory is still 73.4MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.49ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 34.5MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.72ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 34.5MB in the beginning and 89.6MB in the end (delta: -55.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 569.84ms. Allocated memory is still 111.1MB. Free memory was 89.6MB in the beginning and 72.4MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 1500.78ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 62.7MB in the end (delta: 9.7MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:12:51,553 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE