./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.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-ca4ee3d-m [2024-09-20 20:11:39,109 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:39,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:39,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:39,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:39,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:39,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:39,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:39,212 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:39,213 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:39,214 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:39,214 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:39,215 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:39,215 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:39,215 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:39,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:39,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:39,219 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:39,219 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:39,219 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:39,219 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:39,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:39,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:39,220 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:39,220 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:39,220 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:39,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:39,221 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:39,221 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:39,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:39,221 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:39,222 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:39,222 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:39,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:39,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:39,223 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:39,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:39,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:39,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:39,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:39,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:39,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:39,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:39,226 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:39,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:39,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:39,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:39,477 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:39,478 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:39,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-20 20:11:39,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:39,567 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:39,567 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-20 20:11:40,935 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:41,130 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:41,131 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-20 20:11:41,137 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e683d5f16/52cb92de5ebe49a6b2a75e7f3ab0ac9b/FLAGb28182ab5 [2024-09-20 20:11:41,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e683d5f16/52cb92de5ebe49a6b2a75e7f3ab0ac9b [2024-09-20 20:11:41,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:41,151 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:41,152 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:41,152 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:41,156 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:41,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:39" (1/2) ... [2024-09-20 20:11:41,158 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7172968e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:39" (1/2) ... [2024-09-20 20:11:41,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5611f806 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:41" (2/2) ... [2024-09-20 20:11:41,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7172968e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:41" (2/2) ... [2024-09-20 20:11:41,166 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:41,167 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)) [2024-09-20 20:11:41,167 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:41,167 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:41,185 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:41,365 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_valuebound5.c[537,550] [2024-09-20 20:11:41,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:41,396 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:41,443 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_valuebound5.c[537,550] Start Parsing Local [2024-09-20 20:11:41,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:41,472 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:41,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41 WrapperNode [2024-09-20 20:11:41,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:41,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:41,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:41,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:41,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,494 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,505 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 [2024-09-20 20:11:41,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,514 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:41,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:41,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:41,520 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:41,521 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:41,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:41,552 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) [2024-09-20 20:11:41,558 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 [2024-09-20 20:11:41,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:41,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:41,602 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:41,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:41,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:41,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:41,603 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:41,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:41,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:41,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:41,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:41,674 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:41,678 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:41,955 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:41,981 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:42,007 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:42,008 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:42,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:42 BoogieIcfgContainer [2024-09-20 20:11:42,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:42,009 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:42,009 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:42,010 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:42,010 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:39" (1/4) ... [2024-09-20 20:11:42,011 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@116315c0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,011 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:41" (2/4) ... [2024-09-20 20:11:42,011 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@116315c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,011 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41" (3/4) ... [2024-09-20 20:11:42,011 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@116315c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,011 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:42" (4/4) ... [2024-09-20 20:11:42,012 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-20 20:11:42,015 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:42,015 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:42,016 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:11:42,016 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:42,016 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:42,016 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:42,016 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:11:42,016 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:42,017 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 [2024-09-20 20:11:42,064 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:42,065 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,066 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,066 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,067 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,078 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:42,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,079 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,083 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,102 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:42,129 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:42,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,130 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,130 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,150 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:42,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,152 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,152 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,159 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,163 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:42,185 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:42,185 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,185 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,186 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,186 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,191 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:42,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,192 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,192 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,192 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,192 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,199 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:46,226 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:46,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,228 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,231 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:46,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,232 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,232 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,232 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,233 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,235 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:46,250 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:46,250 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,250 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,250 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,251 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,252 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:46,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,253 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,253 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,253 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,253 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,256 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:46,274 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:11:46,275 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,275 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,275 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,276 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,295 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:11:46,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,296 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,296 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,296 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,296 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,306 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:46,323 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:11:46,323 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,323 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,324 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,351 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:11:46,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,352 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,352 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,353 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,360 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:50,368 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:50,376 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:50,376 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@116315c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:50, skipping insertion in model container [2024-09-20 20:11:50,376 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:50,378 INFO L158 Benchmark]: Toolchain (without parser) took 9226.86ms. Allocated memory is still 169.9MB. Free memory was 98.4MB in the beginning and 67.2MB in the end (delta: 31.2MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:50,379 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:50,379 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:50,380 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.73ms. Allocated memory is still 169.9MB. Free memory was 98.1MB in the beginning and 131.7MB in the end (delta: -33.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-20 20:11:50,380 INFO L158 Benchmark]: Boogie Preprocessor took 43.30ms. Allocated memory is still 169.9MB. Free memory was 131.7MB in the beginning and 129.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:50,380 INFO L158 Benchmark]: RCFGBuilder took 488.34ms. Allocated memory is still 169.9MB. Free memory was 129.7MB in the beginning and 112.1MB in the end (delta: 17.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-20 20:11:50,381 INFO L158 Benchmark]: Referee took 8367.57ms. Allocated memory is still 169.9MB. Free memory was 112.1MB in the beginning and 67.2MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-20 20:11:50,384 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 loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 143.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.73ms. Allocated memory is still 169.9MB. Free memory was 98.1MB in the beginning and 131.7MB in the end (delta: -33.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.30ms. Allocated memory is still 169.9MB. Free memory was 131.7MB in the beginning and 129.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 488.34ms. Allocated memory is still 169.9MB. Free memory was 129.7MB in the beginning and 112.1MB in the end (delta: 17.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 8367.57ms. Allocated memory is still 169.9MB. Free memory was 112.1MB in the beginning and 67.2MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:50,413 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_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.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-ca4ee3d-m [2024-09-20 20:11:52,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:52,534 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:52,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:52,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:52,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:52,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:52,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:52,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:52,570 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:52,571 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:52,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:52,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:52,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:52,575 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:52,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:52,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:52,576 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:52,576 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:52,577 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:52,577 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:52,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:52,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:52,581 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:52,581 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:52,581 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:52,582 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:52,582 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:52,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:52,582 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:52,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:52,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:52,583 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:52,583 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:52,584 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:52,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:52,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:52,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:52,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:52,594 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:52,594 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:52,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:52,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:52,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:52,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:52,596 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:52,596 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:52,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:52,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:52,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:52,944 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:52,945 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:52,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-20 20:11:53,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:53,013 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:53,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-20 20:11:54,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:54,781 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:54,782 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-20 20:11:54,790 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/48862ff37/087cae24e5d642019d69bfa8ed0208df/FLAG9eb7b7e8b [2024-09-20 20:11:54,806 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/48862ff37/087cae24e5d642019d69bfa8ed0208df [2024-09-20 20:11:54,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:54,808 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:54,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:54,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:54,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:54,816 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:53" (1/2) ... [2024-09-20 20:11:54,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763d315a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:54, skipping insertion in model container [2024-09-20 20:11:54,817 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:53" (1/2) ... [2024-09-20 20:11:54,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@160ea5e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:54, skipping insertion in model container [2024-09-20 20:11:54,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:54" (2/2) ... [2024-09-20 20:11:54,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@763d315a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:54, skipping insertion in model container [2024-09-20 20:11:54,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:54" (2/2) ... [2024-09-20 20:11:54,832 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:54,834 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)) [2024-09-20 20:11:54,834 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:54,834 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:11:54,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:55,017 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_valuebound5.c[537,550] [2024-09-20 20:11:55,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:55,052 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:55,091 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_valuebound5.c[537,550] Start Parsing Local [2024-09-20 20:11:55,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:55,121 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:55,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55 WrapperNode [2024-09-20 20:11:55,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:55,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:55,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:55,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:55,151 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (1/1) ... [2024-09-20 20:11:55,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (1/1) ... [2024-09-20 20:11:55,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (1/1) ... [2024-09-20 20:11:55,214 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 [2024-09-20 20:11:55,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (1/1) ... [2024-09-20 20:11:55,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (1/1) ... [2024-09-20 20:11:55,231 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (1/1) ... [2024-09-20 20:11:55,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (1/1) ... [2024-09-20 20:11:55,238 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (1/1) ... [2024-09-20 20:11:55,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (1/1) ... [2024-09-20 20:11:55,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:55,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:55,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:55,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:55,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (1/1) ... [2024-09-20 20:11:55,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:55,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:55,279 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) [2024-09-20 20:11:55,285 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 [2024-09-20 20:11:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:55,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:55,399 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:55,401 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:55,913 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:55,943 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:55,985 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:55,986 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:55,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:55 BoogieIcfgContainer [2024-09-20 20:11:55,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:55,987 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:55,987 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:55,988 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:55,988 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:53" (1/4) ... [2024-09-20 20:11:55,988 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49d55628 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:55, skipping insertion in model container [2024-09-20 20:11:55,989 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:54" (2/4) ... [2024-09-20 20:11:55,989 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49d55628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:55, skipping insertion in model container [2024-09-20 20:11:55,989 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:55" (3/4) ... [2024-09-20 20:11:55,989 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49d55628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:55, skipping insertion in model container [2024-09-20 20:11:55,989 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:55" (4/4) ... [2024-09-20 20:11:55,990 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-20 20:11:55,997 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:55,997 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:55,998 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:11:55,998 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:55,998 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:55,998 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:55,998 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 20:11:55,998 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:55,999 INFO L131 InvariantChecker]: Will check 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, 2 loop-free subgraphs from loop head to error location [2024-09-20 20:11:56,044 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:56,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:56,045 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:56,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:56,046 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:56,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:56,060 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:56,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:56,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:56,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:56,063 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:56,067 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:56,085 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:56,105 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:56,106 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:56,106 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:56,106 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:56,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:56,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:56,127 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:56,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:56,127 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:56,128 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:56,128 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:56,128 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:56,132 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:56,157 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:56,158 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:56,158 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:56,158 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:56,158 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:56,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:56,167 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:56,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:56,167 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:56,169 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:56,169 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:56,169 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:00,212 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:12:00,246 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:12:00,246 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:00,247 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:00,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:00,247 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:00,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:00,250 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:12:00,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:00,250 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:00,250 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:00,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:00,251 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:00,252 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:12:00,265 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:12:00,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:00,266 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:00,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:00,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:00,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:00,268 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:12:00,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:00,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:00,268 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:00,268 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:00,269 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:00,270 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:12:00,282 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 20:12:00,283 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:00,283 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:00,283 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:00,283 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:00,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:00,295 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 20:12:00,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:00,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:00,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:00,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:00,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:00,330 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:12:00,351 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:12:00,351 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:12:00,351 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:12:00,352 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:12:00,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:12:00,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:00,371 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:12:00,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:12:00,372 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:12:00,372 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:12:00,372 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:12:00,386 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:12:04,492 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:12:04,525 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:12:04,525 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@49d55628 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:12:04, skipping insertion in model container [2024-09-20 20:12:04,525 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:12:04,527 INFO L158 Benchmark]: Toolchain (without parser) took 9718.46ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 38.7MB in the beginning and 55.6MB in the end (delta: -16.9MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:04,528 INFO L158 Benchmark]: Witness Parser took 0.26ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:04,528 INFO L158 Benchmark]: CDTParser took 0.89ms. Allocated memory is still 60.8MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:12:04,529 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.13ms. Allocated memory is still 60.8MB. Free memory was 38.5MB in the beginning and 24.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:12:04,529 INFO L158 Benchmark]: Boogie Preprocessor took 122.25ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 24.3MB in the beginning and 56.5MB in the end (delta: -32.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2024-09-20 20:12:04,530 INFO L158 Benchmark]: RCFGBuilder took 741.37ms. Allocated memory is still 77.6MB. Free memory was 56.1MB in the beginning and 40.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:12:04,530 INFO L158 Benchmark]: Referee took 8538.53ms. Allocated memory is still 77.6MB. Free memory was 40.7MB in the beginning and 55.6MB in the end (delta: -14.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-09-20 20:12:04,533 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.26ms. Allocated memory is still 60.8MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.89ms. Allocated memory is still 60.8MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.13ms. Allocated memory is still 60.8MB. Free memory was 38.5MB in the beginning and 24.3MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.25ms. Allocated memory was 60.8MB in the beginning and 77.6MB in the end (delta: 16.8MB). Free memory was 24.3MB in the beginning and 56.5MB in the end (delta: -32.1MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * RCFGBuilder took 741.37ms. Allocated memory is still 77.6MB. Free memory was 56.1MB in the beginning and 40.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8538.53ms. Allocated memory is still 77.6MB. Free memory was 40.7MB in the beginning and 55.6MB in the end (delta: -14.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:12:04,576 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN