./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 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_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.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-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:06,038 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:06,093 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:50:06,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:06,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:06,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:06,128 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:06,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:06,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:06,130 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:06,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:06,130 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:06,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:06,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:06,133 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:06,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:06,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:06,134 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:06,134 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:50:06,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:06,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:06,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:06,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:06,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:06,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:06,139 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:06,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:06,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:06,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:06,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:06,140 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:06,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:06,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:06,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:06,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:06,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:06,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:06,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:50:06,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:50:06,143 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:06,143 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:06,143 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:06,144 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:06,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:06,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:06,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:06,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:06,406 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:06,406 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:06,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-21 12:50:06,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:06,495 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:06,495 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-21 12:50:07,941 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:08,118 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:08,119 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-21 12:50:08,127 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b86631a06/13a78327ff3e4022afa9c7fae00d872e/FLAG330dc4913 [2024-09-21 12:50:08,145 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b86631a06/13a78327ff3e4022afa9c7fae00d872e [2024-09-21 12:50:08,146 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:08,148 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:08,149 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:08,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:08,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:08,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:06" (1/2) ... [2024-09-21 12:50:08,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677c07d9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:06" (1/2) ... [2024-09-21 12:50:08,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@434e3843 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,161 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:08" (2/2) ... [2024-09-21 12:50:08,161 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677c07d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:08" (2/2) ... [2024-09-21 12:50:08,170 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:08,171 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-21 12:50:08,171 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:50:08,171 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:08,190 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:08,348 WARN L248 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_valuebound50.c[537,550] [2024-09-21 12:50:08,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:08,417 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:08,456 WARN L248 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_valuebound50.c[537,550] Start Parsing Local [2024-09-21 12:50:08,471 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:08,487 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:08,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08 WrapperNode [2024-09-21 12:50:08,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:08,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:08,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:08,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:08,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,523 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 [2024-09-21 12:50:08,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:08,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:08,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:08,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:08,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:08,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:08,578 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) [2024-09-21 12:50:08,584 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 [2024-09-21 12:50:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:08,627 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:08,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:08,629 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:08,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:50:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:08,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:50:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:50:08,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:08,695 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:08,701 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:08,926 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:08,945 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:08,979 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:08,980 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:08,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:08 BoogieIcfgContainer [2024-09-21 12:50:08,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:08,982 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:08,982 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:08,983 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:08,983 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:06" (1/4) ... [2024-09-21 12:50:08,983 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c8b3415 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:08" (2/4) ... [2024-09-21 12:50:08,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c8b3415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:08" (3/4) ... [2024-09-21 12:50:08,984 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c8b3415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,984 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:08" (4/4) ... [2024-09-21 12:50:08,985 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-21 12:50:08,989 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:08,990 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:08,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:08,990 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:08,990 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:08,991 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:08,991 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:08,991 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:08,992 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-21 12:50:09,048 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:09,050 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:09,050 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:09,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:09,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:09,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,062 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:09,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,063 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:09,063 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:09,063 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:09,069 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:09,089 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:09,112 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:09,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:09,112 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:09,113 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:09,113 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:09,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,137 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:09,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,137 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:09,138 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:09,138 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:09,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:09,145 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:09,169 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:09,170 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:09,170 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:09,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:09,170 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:09,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,177 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:09,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:09,178 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:09,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:09,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:09,179 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,185 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:13,200 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:13,200 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,204 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:13,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,204 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,204 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,204 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,207 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:13,218 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:13,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,219 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,219 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,219 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,220 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:13,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,220 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,220 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,221 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,221 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,222 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:13,234 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:13,235 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,235 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,235 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,235 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,247 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:13,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,247 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,247 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,247 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,247 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,250 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:13,262 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:13,263 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,263 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,263 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,263 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,291 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:13,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,292 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,292 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,292 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,302 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,307 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:17,313 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:17,313 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c8b3415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:17, skipping insertion in model container [2024-09-21 12:50:17,313 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:17,315 INFO L158 Benchmark]: Toolchain (without parser) took 9166.74ms. Allocated memory is still 153.1MB. Free memory was 80.2MB in the beginning and 57.4MB in the end (delta: 22.8MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,316 INFO L158 Benchmark]: Witness Parser took 0.82ms. Allocated memory is still 119.5MB. Free memory was 80.3MB in the beginning and 80.1MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:17,316 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:17,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.85ms. Allocated memory is still 153.1MB. Free memory was 80.0MB in the beginning and 121.4MB in the end (delta: -41.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,317 INFO L158 Benchmark]: Boogie Preprocessor took 54.28ms. Allocated memory is still 153.1MB. Free memory was 121.4MB in the beginning and 120.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:17,318 INFO L158 Benchmark]: RCFGBuilder took 433.38ms. Allocated memory is still 153.1MB. Free memory was 119.3MB in the beginning and 102.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,318 INFO L158 Benchmark]: Referee took 8331.29ms. Allocated memory is still 153.1MB. Free memory was 102.5MB in the beginning and 57.4MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,321 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 loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. 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 exit of procedure __VERIFIER_assert. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.82ms. Allocated memory is still 119.5MB. Free memory was 80.3MB in the beginning and 80.1MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.85ms. Allocated memory is still 153.1MB. Free memory was 80.0MB in the beginning and 121.4MB in the end (delta: -41.4MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.28ms. Allocated memory is still 153.1MB. Free memory was 121.4MB in the beginning and 120.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 433.38ms. Allocated memory is still 153.1MB. Free memory was 119.3MB in the beginning and 102.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8331.29ms. Allocated memory is still 153.1MB. Free memory was 102.5MB in the beginning and 57.4MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:17,340 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_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.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-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:19,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:19,625 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:19,632 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:19,633 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:19,663 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:19,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:19,664 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:19,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:19,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:19,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:19,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:19,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:19,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:19,668 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:19,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:19,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:19,669 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:19,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:19,670 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:19,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:19,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:19,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:19,675 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:19,675 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:19,675 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:19,676 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:19,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:19,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:19,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:19,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:19,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:19,677 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:19,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:19,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:19,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:19,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:19,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:19,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:19,681 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:19,682 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:19,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:19,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:19,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:19,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:19,683 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:19,683 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:19,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:20,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:20,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:20,018 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:20,019 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:20,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-21 12:50:20,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:20,071 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:20,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-21 12:50:21,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:21,859 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:21,860 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-21 12:50:21,866 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2f651c1b7/c5b5c3eaef0c439c8bc3d8361c720575/FLAG0d8170113 [2024-09-21 12:50:21,882 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2f651c1b7/c5b5c3eaef0c439c8bc3d8361c720575 [2024-09-21 12:50:21,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:21,885 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:21,886 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:21,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:21,891 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:21,892 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:20" (1/2) ... [2024-09-21 12:50:21,893 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610574df and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:21, skipping insertion in model container [2024-09-21 12:50:21,893 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:20" (1/2) ... [2024-09-21 12:50:21,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40d6cbe4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:21, skipping insertion in model container [2024-09-21 12:50:21,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:21" (2/2) ... [2024-09-21 12:50:21,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610574df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:21, skipping insertion in model container [2024-09-21 12:50:21,895 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:21" (2/2) ... [2024-09-21 12:50:21,902 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:21,904 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-21 12:50:21,904 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:21,904 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:50:21,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:22,100 WARN L248 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_valuebound50.c[537,550] [2024-09-21 12:50:22,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:22,141 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:22,190 WARN L248 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_valuebound50.c[537,550] Start Parsing Local [2024-09-21 12:50:22,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:22,225 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:22,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22 WrapperNode [2024-09-21 12:50:22,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:22,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:22,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:22,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:22,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,248 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,262 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 [2024-09-21 12:50:22,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:22,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:22,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:22,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:22,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (1/1) ... [2024-09-21 12:50:22,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:22,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:22,318 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) [2024-09-21 12:50:22,322 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 [2024-09-21 12:50:22,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:22,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:22,371 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:22,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:22,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:22,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:22,442 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:22,444 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:22,930 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:22,965 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:23,009 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:23,009 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:23,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:23 BoogieIcfgContainer [2024-09-21 12:50:23,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:23,011 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:23,011 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:23,012 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:23,012 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:20" (1/4) ... [2024-09-21 12:50:23,012 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f1ef61d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:23, skipping insertion in model container [2024-09-21 12:50:23,012 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:21" (2/4) ... [2024-09-21 12:50:23,012 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f1ef61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:23, skipping insertion in model container [2024-09-21 12:50:23,013 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:22" (3/4) ... [2024-09-21 12:50:23,013 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f1ef61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:23, skipping insertion in model container [2024-09-21 12:50:23,013 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:23" (4/4) ... [2024-09-21 12:50:23,014 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-21 12:50:23,019 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:23,019 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:23,020 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:23,020 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:23,021 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:23,021 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:23,021 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:23,022 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:23,022 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-21 12:50:23,077 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:23,078 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:23,078 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:23,079 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:23,080 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:23,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,097 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:23,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,099 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:23,099 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:23,099 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:23,103 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:23,122 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:23,144 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:23,144 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:23,144 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:23,145 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:23,145 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:23,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,158 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:23,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:23,158 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:23,158 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:23,159 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:23,160 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:23,191 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:23,191 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:23,191 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:23,192 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:23,192 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:23,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,199 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:23,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:23,199 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:23,199 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:23,199 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:23,200 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,256 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:27,288 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:27,288 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,288 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,288 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,288 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,291 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:27,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,293 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,294 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,294 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,294 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,297 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:27,321 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:27,321 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,322 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,322 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,322 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,324 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:27,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,324 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,325 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,326 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:27,338 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:27,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,338 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,339 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,350 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:27,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,351 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,351 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,351 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,592 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:27,612 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:27,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,629 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:27,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,630 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,630 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,630 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,635 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:31,746 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:31,775 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:31,776 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f1ef61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:31, skipping insertion in model container [2024-09-21 12:50:31,776 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:31,777 INFO L158 Benchmark]: Toolchain (without parser) took 9891.99ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 35.5MB in the end (delta: 3.7MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,778 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 54.5MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:31,778 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory was 31.1MB in the beginning and 31.0MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:31,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.86ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 46.9MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,779 INFO L158 Benchmark]: Boogie Preprocessor took 59.98ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,780 INFO L158 Benchmark]: RCFGBuilder took 723.09ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 50.4MB in the end (delta: -5.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,780 INFO L158 Benchmark]: Referee took 8765.26ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 35.5MB in the end (delta: 14.9MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,783 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 __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 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 exit of procedure __VERIFIER_assert. 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 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.12ms. Allocated memory is still 54.5MB. Free memory was 33.1MB in the beginning and 33.1MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 54.5MB. Free memory was 31.1MB in the beginning and 31.0MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.86ms. Allocated memory is still 75.5MB. Free memory was 39.0MB in the beginning and 46.9MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.98ms. Allocated memory is still 75.5MB. Free memory was 46.9MB in the beginning and 44.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 723.09ms. Allocated memory is still 75.5MB. Free memory was 44.8MB in the beginning and 50.4MB in the end (delta: -5.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Referee took 8765.26ms. Allocated memory is still 75.5MB. Free memory was 50.4MB in the beginning and 35.5MB in the end (delta: 14.9MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:31,821 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN