./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:26,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:26,743 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:26,746 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:26,747 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:26,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:26,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:26,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:26,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:26,767 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:26,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:26,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:26,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:26,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:26,769 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:26,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:26,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:26,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:26,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:26,770 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:26,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:26,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:26,773 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:26,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:26,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:26,774 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:26,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:26,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:26,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:26,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:26,775 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:26,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:26,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:26,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:26,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:26,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:26,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:26,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:26,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:26,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:26,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:26,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:26,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:26,779 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:27,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:27,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:27,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:27,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:27,051 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:27,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-20 13:28:28,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:28,712 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:28,713 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-20 13:28:28,720 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9a9af5dab/0d381dcd0be443c2b48f551c681a61c6/FLAG37acc3b90 [2024-09-20 13:28:28,731 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9a9af5dab/0d381dcd0be443c2b48f551c681a61c6 [2024-09-20 13:28:28,733 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:28,734 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:28,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-20 13:28:28,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:28,795 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:28,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:28,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:28,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:28,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:28" (1/2) ... [2024-09-20 13:28:28,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28457e2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:28" (1/2) ... [2024-09-20 13:28:28,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a9a5442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,807 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 01:28:28" (2/2) ... [2024-09-20 13:28:28,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28457e2f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,808 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 01:28:28" (2/2) ... [2024-09-20 13:28:28,818 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:28,819 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 13:28:28,820 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:28,820 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:28,838 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:29,000 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-09-20 13:28:29,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:29,022 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:29,056 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] Start Parsing Local [2024-09-20 13:28:29,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:29,081 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:29,082 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:29 WrapperNode [2024-09-20 13:28:29,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:29,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:29,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:29,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:29,095 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 20.09 01:28:29" (1/1) ... [2024-09-20 13:28:29,095 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 20.09 01:28:29" (1/1) ... [2024-09-20 13:28:29,102 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 20.09 01:28:29" (1/1) ... [2024-09-20 13:28:29,111 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 13:28:29,111 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 20.09 01:28:29" (1/1) ... [2024-09-20 13:28:29,112 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 20.09 01:28:29" (1/1) ... [2024-09-20 13:28:29,116 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 20.09 01:28:29" (1/1) ... [2024-09-20 13:28:29,119 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 20.09 01:28:29" (1/1) ... [2024-09-20 13:28:29,120 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 20.09 01:28:29" (1/1) ... [2024-09-20 13:28:29,121 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 20.09 01:28:29" (1/1) ... [2024-09-20 13:28:29,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:29,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:29,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:29,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:29,125 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 20.09 01:28:29" (1/1) ... [2024-09-20 13:28:29,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:29,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:29,151 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 13:28:29,153 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 13:28:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:29,192 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:29,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:29,251 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:29,253 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:29,544 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:29,566 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:29,591 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:29,594 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:29,595 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:29 BoogieIcfgContainer [2024-09-20 13:28:29,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:29,595 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:29,597 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:29,598 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:29,598 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:28" (1/4) ... [2024-09-20 13:28:29,599 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b8c853f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:29, skipping insertion in model container [2024-09-20 13:28:29,599 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 01:28:28" (2/4) ... [2024-09-20 13:28:29,599 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b8c853f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:29, skipping insertion in model container [2024-09-20 13:28:29,599 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 20.09 01:28:29" (3/4) ... [2024-09-20 13:28:29,600 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b8c853f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:29, skipping insertion in model container [2024-09-20 13:28:29,600 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:29" (4/4) ... [2024-09-20 13:28:29,601 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-20 13:28:29,605 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:29,605 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 13:28:29,605 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 13:28:29,606 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 13:28:29,606 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 13:28:29,606 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 13:28:29,606 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 13:28:29,606 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 13:28:29,606 INFO L131 InvariantChecker]: Will check 3 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 [2024-09-20 13:28:29,665 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:29,666 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:29,666 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:29,667 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:29,668 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:29,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,677 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:29,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,678 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:29,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:29,679 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:29,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:29,703 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:29,732 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:29,732 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:29,733 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:29,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:29,733 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:29,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,759 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:29,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:29,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:29,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:29,769 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:29,773 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:29,791 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:29,792 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:29,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:29,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:29,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:29,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,800 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:29,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:29,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:29,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:29,802 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,808 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:33,824 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:33,824 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,824 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,825 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,825 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,827 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:33,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,828 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,828 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,828 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,829 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,831 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:33,841 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:33,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,842 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,844 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:33,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,844 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,845 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,847 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:33,860 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:33,860 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,860 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,860 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,861 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,875 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:33,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,876 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,877 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,882 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:33,920 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:33,920 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,921 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,921 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,991 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:33,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,992 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,993 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,993 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:34,000 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:38,008 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:38,014 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:38,014 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b8c853f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:38, skipping insertion in model container [2024-09-20 13:28:38,014 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:38,017 INFO L158 Benchmark]: Toolchain (without parser) took 9221.30ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 104.0MB in the end (delta: 3.2MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:38,018 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:38,019 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:38,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.89ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 93.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:28:38,020 INFO L158 Benchmark]: Boogie Preprocessor took 39.93ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 91.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:38,021 INFO L158 Benchmark]: RCFGBuilder took 471.44ms. Allocated memory is still 144.7MB. Free memory was 91.2MB in the beginning and 74.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:38,022 INFO L158 Benchmark]: Referee took 8419.80ms. Allocated memory is still 144.7MB. Free memory was 74.4MB in the beginning and 104.0MB in the end (delta: -29.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:38,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 113.2MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 144.7MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.89ms. Allocated memory is still 144.7MB. Free memory was 107.2MB in the beginning and 93.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.93ms. Allocated memory is still 144.7MB. Free memory was 93.3MB in the beginning and 91.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 471.44ms. Allocated memory is still 144.7MB. Free memory was 91.2MB in the beginning and 74.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8419.80ms. Allocated memory is still 144.7MB. Free memory was 74.4MB in the beginning and 104.0MB in the end (delta: -29.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:38,049 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:40,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:40,245 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:40,252 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:40,252 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:40,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:40,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:40,288 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:40,288 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:40,290 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:40,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:40,291 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:40,291 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:40,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:40,295 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:40,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:40,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:40,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:40,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:40,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:40,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:40,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:40,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:40,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:40,298 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:40,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:40,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:40,299 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:40,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:40,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:40,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:40,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:40,301 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:40,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:40,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:40,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:40,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:40,302 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:40,302 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:40,302 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:40,303 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:40,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:40,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:40,304 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:40,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:40,305 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:40,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:40,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:40,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:40,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:40,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:40,649 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:40,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-20 13:28:42,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:42,329 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:42,330 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-20 13:28:42,338 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/76c37cb53/fe68f981b0ff4f9db76602233477f5fe/FLAGf99f11eb1 [2024-09-20 13:28:42,716 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/76c37cb53/fe68f981b0ff4f9db76602233477f5fe [2024-09-20 13:28:42,719 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:42,719 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:42,720 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-20 13:28:42,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:42,774 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:42,775 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:42,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:42,780 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:42,781 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:42" (1/2) ... [2024-09-20 13:28:42,782 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3591cdf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:42, skipping insertion in model container [2024-09-20 13:28:42,782 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:42" (1/2) ... [2024-09-20 13:28:42,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f51a10e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:42, skipping insertion in model container [2024-09-20 13:28:42,783 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 01:28:42" (2/2) ... [2024-09-20 13:28:42,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3591cdf0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:42, skipping insertion in model container [2024-09-20 13:28:42,783 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 01:28:42" (2/2) ... [2024-09-20 13:28:42,794 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:42,794 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 13:28:42,794 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:42,795 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:42,813 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:42,982 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-09-20 13:28:43,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:43,020 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:43,060 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] Start Parsing Local [2024-09-20 13:28:43,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:43,099 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:43,100 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:43 WrapperNode [2024-09-20 13:28:43,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:43,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:43,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:43,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:43,114 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 20.09 01:28:43" (1/1) ... [2024-09-20 13:28:43,115 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 20.09 01:28:43" (1/1) ... [2024-09-20 13:28:43,127 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 20.09 01:28:43" (1/1) ... [2024-09-20 13:28:43,144 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 13:28:43,144 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 20.09 01:28:43" (1/1) ... [2024-09-20 13:28:43,144 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 20.09 01:28:43" (1/1) ... [2024-09-20 13:28:43,155 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 20.09 01:28:43" (1/1) ... [2024-09-20 13:28:43,162 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 20.09 01:28:43" (1/1) ... [2024-09-20 13:28:43,164 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 20.09 01:28:43" (1/1) ... [2024-09-20 13:28:43,168 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 20.09 01:28:43" (1/1) ... [2024-09-20 13:28:43,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:43,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:43,172 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:43,172 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:43,173 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 20.09 01:28:43" (1/1) ... [2024-09-20 13:28:43,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:43,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:43,205 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 13:28:43,208 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 13:28:43,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:43,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:43,256 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:43,257 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:43,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:43,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:43,347 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:43,349 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:43,907 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:43,932 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:43,969 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:43,969 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:43,970 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:43 BoogieIcfgContainer [2024-09-20 13:28:43,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:43,971 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:43,971 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:43,975 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:43,975 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:42" (1/4) ... [2024-09-20 13:28:43,976 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bd0a25c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:43, skipping insertion in model container [2024-09-20 13:28:43,977 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 01:28:42" (2/4) ... [2024-09-20 13:28:43,978 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bd0a25c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:43, skipping insertion in model container [2024-09-20 13:28:43,978 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 20.09 01:28:43" (3/4) ... [2024-09-20 13:28:43,978 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bd0a25c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:43, skipping insertion in model container [2024-09-20 13:28:43,978 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:43" (4/4) ... [2024-09-20 13:28:43,980 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-20 13:28:43,983 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:43,984 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 13:28:43,984 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 13:28:43,985 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 13:28:43,985 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 13:28:43,985 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 13:28:43,985 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 13:28:43,985 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 13:28:43,986 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-20 13:28:44,044 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:44,045 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:44,045 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:44,046 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:44,047 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:44,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:44,064 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:44,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:44,066 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:44,066 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:44,066 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:44,070 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:44,086 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:44,123 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:44,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:44,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:44,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:44,124 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:44,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:44,147 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:44,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:44,147 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:44,148 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:44,148 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:44,148 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:44,150 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:44,191 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:44,195 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:44,195 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:44,196 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:44,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:44,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:44,201 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:44,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:44,202 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:44,202 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:44,202 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:44,202 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:48,255 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:48,292 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:48,295 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:48,295 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:48,295 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:48,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:48,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:48,299 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:48,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:48,299 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:48,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:48,304 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:48,305 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:48,307 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:48,319 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:48,319 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:48,319 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:48,319 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:48,320 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:48,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:48,321 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:48,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:48,322 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:48,322 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:48,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:48,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:48,324 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:48,335 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:48,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:48,335 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:48,335 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:48,335 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:48,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:48,348 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:48,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:48,348 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:48,349 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:48,349 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:48,349 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:48,574 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:48,595 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:48,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:48,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:48,597 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:48,597 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:48,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:48,621 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:48,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:48,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:48,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:48,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:48,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:52,729 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:52,755 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:52,756 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bd0a25c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:52, skipping insertion in model container [2024-09-20 13:28:52,756 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:52,758 INFO L158 Benchmark]: Toolchain (without parser) took 9983.41ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 52.5MB in the beginning and 61.7MB in the end (delta: -9.2MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:52,758 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:52,759 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 73.4MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:52,759 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.85ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 38.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:52,760 INFO L158 Benchmark]: Boogie Preprocessor took 70.51ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 35.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:52,760 INFO L158 Benchmark]: RCFGBuilder took 798.26ms. Allocated memory is still 73.4MB. Free memory was 35.9MB in the beginning and 41.5MB in the end (delta: -5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-20 13:28:52,761 INFO L158 Benchmark]: Referee took 8785.64ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 41.5MB in the beginning and 61.7MB in the end (delta: -20.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-09-20 13:28:52,764 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 73.4MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.85ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 38.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.51ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 35.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 798.26ms. Allocated memory is still 73.4MB. Free memory was 35.9MB in the beginning and 41.5MB in the end (delta: -5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 8785.64ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 41.5MB in the beginning and 61.7MB in the end (delta: -20.2MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:52,800 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