./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/lcm2.c --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/lcm2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:11:38,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:11:38,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:11:38,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:11:38,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:11:38,520 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:11:38,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:11:38,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:11:38,522 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:11:38,522 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:11:38,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:11:38,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:11:38,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:11:38,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:11:38,525 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:11:38,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:11:38,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:11:38,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:11:38,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:11:38,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:11:38,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:11:38,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:11:38,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:11:38,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:11:38,531 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:11:38,531 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:11:38,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:11:38,532 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:11:38,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:11:38,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:11:38,533 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:11:38,533 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:11:38,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:38,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:11:38,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:11:38,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:11:38,534 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:11:38,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:11:38,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:11:38,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:11:38,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:11:38,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:11:38,536 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:11:38,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:11:38,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:11:38,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:11:38,758 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:11:38,759 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:11:38,759 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-12 20:11:40,187 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:11:40,359 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:11:40,360 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-12 20:11:40,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/396ead12b/e8981f57e2b84531b4ac3ee2d28b20da/FLAG78ad219e6 [2024-09-12 20:11:40,739 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/396ead12b/e8981f57e2b84531b4ac3ee2d28b20da [2024-09-12 20:11:40,741 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:11:40,742 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:11:40,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-12 20:11:40,791 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:11:40,792 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:11:40,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:40,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:11:40,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:11:40,798 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:40" (1/2) ... [2024-09-12 20:11:40,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797c3fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:40, skipping insertion in model container [2024-09-12 20:11:40,801 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:40" (1/2) ... [2024-09-12 20:11:40,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40d94509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:40, skipping insertion in model container [2024-09-12 20:11:40,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:40" (2/2) ... [2024-09-12 20:11:40,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797c3fba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:40, skipping insertion in model container [2024-09-12 20:11:40,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:40" (2/2) ... [2024-09-12 20:11:40,809 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:11:40,809 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-12 20:11:40,810 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:11:40,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:11:40,955 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-09-12 20:11:40,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:40,974 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:11:41,062 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] Start Parsing Local [2024-09-12 20:11:41,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:41,081 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:11:41,081 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41 WrapperNode [2024-09-12 20:11:41,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:41,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:11:41,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:11:41,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:11:41,092 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (1/1) ... [2024-09-12 20:11:41,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (1/1) ... [2024-09-12 20:11:41,097 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (1/1) ... [2024-09-12 20:11:41,108 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 20:11:41,108 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (1/1) ... [2024-09-12 20:11:41,108 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (1/1) ... [2024-09-12 20:11:41,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (1/1) ... [2024-09-12 20:11:41,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (1/1) ... [2024-09-12 20:11:41,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (1/1) ... [2024-09-12 20:11:41,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (1/1) ... [2024-09-12 20:11:41,126 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:11:41,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:11:41,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:11:41,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:11:41,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (1/1) ... [2024-09-12 20:11:41,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:41,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:11:41,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 20:11:41,170 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 20:11:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:11:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:11:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:11:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:11:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:11:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:11:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:11:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:11:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:11:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:11:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:11:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:11:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:11:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:11:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:11:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:11:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:11:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:11:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:11:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:11:41,254 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:11:41,256 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:11:41,471 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:11:41,535 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 20:11:41,535 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:11:41,564 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:11:41,564 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:11:41,565 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:41 BoogieIcfgContainer [2024-09-12 20:11:41,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:11:41,565 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:11:41,565 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:11:41,566 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:11:41,569 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:11:40" (1/4) ... [2024-09-12 20:11:41,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fc47d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:11:41, skipping insertion in model container [2024-09-12 20:11:41,570 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:40" (2/4) ... [2024-09-12 20:11:41,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fc47d70 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:41, skipping insertion in model container [2024-09-12 20:11:41,570 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:41" (3/4) ... [2024-09-12 20:11:41,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fc47d70 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:41, skipping insertion in model container [2024-09-12 20:11:41,571 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:41" (4/4) ... [2024-09-12 20:11:41,572 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-12 20:11:41,575 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:11:41,575 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 20:11:41,576 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:11:41,576 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:11:41,576 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:11:41,576 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:11:41,577 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:11:41,577 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-12 20:11:41,674 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 20:11:41,675 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:41,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:41,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:41,687 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:41,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:41,751 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:11:41,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:41,753 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:41,753 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:41,753 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:41,765 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:41,777 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:11:41,807 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 20:11:41,807 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:41,807 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:41,808 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:41,808 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:41,808 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:41,897 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 20:11:41,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:41,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:41,898 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:41,898 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:41,919 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:45,923 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:11:45,963 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:11:45,967 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:45,967 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:45,968 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:45,968 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:45,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:45,987 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:11:45,987 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:45,987 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:45,988 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:45,988 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:45,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:45,996 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:46,022 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:46,026 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:46,026 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:46,027 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:46,027 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:46,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:46,035 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:46,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:46,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:46,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:46,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:46,036 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:50,046 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:11:50,069 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:50,070 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:50,070 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:50,070 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:50,070 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:50,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:50,075 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:11:50,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:50,078 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:50,078 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:50,079 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:50,079 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:50,084 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:11:50,093 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:50,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:50,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:50,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:50,094 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:50,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:50,097 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:50,101 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:50,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:50,102 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:50,102 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:50,102 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:50,106 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:11:50,109 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 20:11:50,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6fc47d70 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:11:50, skipping insertion in model container [2024-09-12 20:11:50,113 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:11:50,115 INFO L158 Benchmark]: Toolchain (without parser) took 9322.44ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 94.0MB in the beginning and 165.5MB in the end (delta: -71.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-12 20:11:50,115 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:50,116 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:50,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.84ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 134.8MB in the end (delta: -41.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2024-09-12 20:11:50,117 INFO L158 Benchmark]: Boogie Preprocessor took 44.12ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 134.7MB in the beginning and 221.1MB in the end (delta: -86.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:11:50,117 INFO L158 Benchmark]: RCFGBuilder took 434.28ms. Allocated memory is still 249.6MB. Free memory was 221.1MB in the beginning and 204.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 20:11:50,118 INFO L158 Benchmark]: Referee took 8548.19ms. Allocated memory is still 249.6MB. Free memory was 204.3MB in the beginning and 165.5MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-12 20:11:50,123 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 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. 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: * CDTParser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 167.8MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.84ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 134.8MB in the end (delta: -41.1MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.12ms. Allocated memory was 167.8MB in the beginning and 249.6MB in the end (delta: 81.8MB). Free memory was 134.7MB in the beginning and 221.1MB in the end (delta: -86.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 434.28ms. Allocated memory is still 249.6MB. Free memory was 221.1MB in the beginning and 204.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8548.19ms. Allocated memory is still 249.6MB. Free memory was 204.3MB in the beginning and 165.5MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:11:50,150 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/lcm2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:11:51,962 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:11:52,024 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 20:11:52,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:11:52,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:11:52,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:11:52,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:11:52,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:11:52,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:11:52,056 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:11:52,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:11:52,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:11:52,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:11:52,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:11:52,060 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:11:52,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:11:52,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:11:52,061 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:11:52,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:11:52,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:11:52,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:11:52,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:11:52,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:11:52,062 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 20:11:52,063 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 20:11:52,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:11:52,063 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 20:11:52,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:11:52,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:11:52,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:11:52,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:11:52,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:11:52,064 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:11:52,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:11:52,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:52,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:11:52,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:11:52,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:11:52,065 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 20:11:52,066 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 20:11:52,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:11:52,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:11:52,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:11:52,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:11:52,068 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 20:11:52,068 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:11:52,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:11:52,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:11:52,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:11:52,337 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:11:52,337 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:11:52,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-12 20:11:52,383 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:11:52,383 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:11:52,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-12 20:11:53,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:11:53,924 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:11:53,925 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-12 20:11:53,934 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cfb02a4bb/d33e04ce7b334b2f800a1664a20cfaec/FLAGaf34268c7 [2024-09-12 20:11:53,947 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cfb02a4bb/d33e04ce7b334b2f800a1664a20cfaec [2024-09-12 20:11:53,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:11:53,949 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:11:53,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:53,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:11:53,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:11:53,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:52" (1/2) ... [2024-09-12 20:11:53,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f8fa32 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:53, skipping insertion in model container [2024-09-12 20:11:53,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:52" (1/2) ... [2024-09-12 20:11:53,963 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1426ce3c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:11:53, skipping insertion in model container [2024-09-12 20:11:53,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:53" (2/2) ... [2024-09-12 20:11:53,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f8fa32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:53, skipping insertion in model container [2024-09-12 20:11:53,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:11:53" (2/2) ... [2024-09-12 20:11:53,972 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:11:53,973 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-12 20:11:53,973 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:11:53,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:11:54,121 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] [2024-09-12 20:11:54,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:54,155 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:11:54,185 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c[537,550] Start Parsing Local [2024-09-12 20:11:54,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:11:54,213 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:11:54,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54 WrapperNode [2024-09-12 20:11:54,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:11:54,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:11:54,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:11:54,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:11:54,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (1/1) ... [2024-09-12 20:11:54,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (1/1) ... [2024-09-12 20:11:54,232 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (1/1) ... [2024-09-12 20:11:54,243 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 20:11:54,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (1/1) ... [2024-09-12 20:11:54,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (1/1) ... [2024-09-12 20:11:54,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (1/1) ... [2024-09-12 20:11:54,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (1/1) ... [2024-09-12 20:11:54,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (1/1) ... [2024-09-12 20:11:54,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (1/1) ... [2024-09-12 20:11:54,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:11:54,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:11:54,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:11:54,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:11:54,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (1/1) ... [2024-09-12 20:11:54,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:11:54,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:11:54,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 20:11:54,348 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 20:11:54,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:11:54,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:11:54,379 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:11:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:11:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:11:54,380 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:11:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:11:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:11:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:11:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:11:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:11:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:11:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:11:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:11:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:11:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 20:11:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:11:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 20:11:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 20:11:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:11:54,461 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:11:54,468 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:11:54,824 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:11:54,859 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 20:11:54,860 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:11:54,888 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:11:54,889 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:11:54,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:54 BoogieIcfgContainer [2024-09-12 20:11:54,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:11:54,890 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:11:54,890 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:11:54,891 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:11:54,891 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:11:52" (1/4) ... [2024-09-12 20:11:54,891 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@125dcb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:11:54, skipping insertion in model container [2024-09-12 20:11:54,891 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:11:53" (2/4) ... [2024-09-12 20:11:54,892 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@125dcb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:11:54, skipping insertion in model container [2024-09-12 20:11:54,892 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:11:54" (3/4) ... [2024-09-12 20:11:54,892 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@125dcb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:11:54, skipping insertion in model container [2024-09-12 20:11:54,892 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:11:54" (4/4) ... [2024-09-12 20:11:54,893 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-12 20:11:54,896 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:11:54,897 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 20:11:54,897 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:11:54,897 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:11:54,897 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:11:54,897 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:11:54,897 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:11:54,898 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-12 20:11:54,933 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 20:11:54,933 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:54,934 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:54,936 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:54,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:54,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:54,963 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:11:54,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:54,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:54,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:54,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:54,968 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:54,977 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:11:54,992 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 20:11:54,992 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:54,992 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:54,992 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:54,992 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:54,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:55,013 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 20:11:55,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:55,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:55,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:55,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:55,017 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:55,020 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:55,029 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:11:55,029 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:55,029 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:55,029 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:55,030 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:55,030 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:55,035 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:11:55,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:55,035 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:55,035 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:55,035 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:55,036 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:55,065 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:11:55,092 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:55,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:55,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:55,092 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:55,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:55,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:55,096 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:55,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:55,096 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:55,096 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:55,096 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:55,096 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:59,113 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:11:59,126 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:11:59,127 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:59,127 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:59,127 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:59,127 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:59,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:59,129 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:11:59,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:59,130 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:59,130 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:59,130 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:59,130 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:59,132 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:11:59,138 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:11:59,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:11:59,138 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:11:59,138 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:11:59,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:11:59,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:59,139 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:11:59,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:11:59,140 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:11:59,140 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:11:59,140 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:11:59,140 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:11:59,141 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:11:59,144 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 20:11:59,144 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@125dcb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:11:59, skipping insertion in model container [2024-09-12 20:11:59,144 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:11:59,145 INFO L158 Benchmark]: Toolchain (without parser) took 5196.18ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 44.3MB in the beginning and 65.0MB in the end (delta: -20.8MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-09-12 20:11:59,146 INFO L158 Benchmark]: Witness Parser took 0.82ms. Allocated memory is still 67.1MB. Free memory was 44.0MB in the beginning and 43.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:59,146 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 42.0MB in the beginning and 41.9MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:11:59,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.87ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 30.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:11:59,147 INFO L158 Benchmark]: Boogie Preprocessor took 61.51ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 30.0MB in the beginning and 76.5MB in the end (delta: -46.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-09-12 20:11:59,147 INFO L158 Benchmark]: RCFGBuilder took 612.82ms. Allocated memory is still 96.5MB. Free memory was 76.5MB in the beginning and 60.3MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:11:59,148 INFO L158 Benchmark]: Referee took 4254.30ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 65.0MB in the end (delta: -4.8MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-09-12 20:11:59,150 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 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. 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 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.82ms. Allocated memory is still 67.1MB. Free memory was 44.0MB in the beginning and 43.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory was 42.0MB in the beginning and 41.9MB in the end (delta: 85.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.87ms. Allocated memory is still 67.1MB. Free memory was 44.1MB in the beginning and 30.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.51ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 30.0MB in the beginning and 76.5MB in the end (delta: -46.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * RCFGBuilder took 612.82ms. Allocated memory is still 96.5MB. Free memory was 76.5MB in the beginning and 60.3MB in the end (delta: 16.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4254.30ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 65.0MB in the end (delta: -4.8MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:11:59,177 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