./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.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_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:12:35,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:12:35,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:12:35,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:12:35,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:12:35,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:12:35,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:12:35,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:12:35,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:12:35,603 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:12:35,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:12:35,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:12:35,603 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:12:35,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:12:35,604 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:12:35,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:12:35,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:12:35,605 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:12:35,605 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:12:35,605 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:12:35,606 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:12:35,606 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:12:35,606 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:12:35,606 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:12:35,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:12:35,607 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:12:35,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:12:35,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:12:35,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:12:35,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:12:35,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:12:35,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:12:35,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:35,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:12:35,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:12:35,610 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:12:35,610 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:12:35,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:12:35,610 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:12:35,611 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:12:35,611 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:12:35,611 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:12:35,611 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:12:35,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:12:35,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:12:35,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:12:35,836 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:12:35,837 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:12:35,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-12 20:12:35,923 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:12:35,930 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:12:35,931 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-12 20:12:37,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:12:37,379 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:12:37,379 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-12 20:12:37,385 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/25aac0608/d32920381c4a41c7b9c1070d3a397b52/FLAGa6ee4f10a [2024-09-12 20:12:37,398 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/25aac0608/d32920381c4a41c7b9c1070d3a397b52 [2024-09-12 20:12:37,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:12:37,399 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:12:37,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:37,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:12:37,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:12:37,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:35" (1/2) ... [2024-09-12 20:12:37,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616f9daa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:37, skipping insertion in model container [2024-09-12 20:12:37,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:35" (1/2) ... [2024-09-12 20:12:37,406 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50f5fa5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:37, skipping insertion in model container [2024-09-12 20:12:37,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:37" (2/2) ... [2024-09-12 20:12:37,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616f9daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37, skipping insertion in model container [2024-09-12 20:12:37,407 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:37" (2/2) ... [2024-09-12 20:12:37,412 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:12:37,413 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-12 20:12:37,413 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:12:37,413 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-12 20:12:37,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:12:37,556 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-09-12 20:12:37,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:37,591 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:12:37,626 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-12 20:12:37,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:37,655 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:12:37,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37 WrapperNode [2024-09-12 20:12:37,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:37,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:12:37,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:12:37,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:12:37,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (1/1) ... [2024-09-12 20:12:37,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (1/1) ... [2024-09-12 20:12:37,673 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (1/1) ... [2024-09-12 20:12:37,681 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 20:12:37,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (1/1) ... [2024-09-12 20:12:37,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (1/1) ... [2024-09-12 20:12:37,685 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (1/1) ... [2024-09-12 20:12:37,687 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (1/1) ... [2024-09-12 20:12:37,688 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (1/1) ... [2024-09-12 20:12:37,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (1/1) ... [2024-09-12 20:12:37,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:12:37,691 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:12:37,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:12:37,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:12:37,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (1/1) ... [2024-09-12 20:12:37,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:37,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:12:37,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 20:12:37,725 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 20:12:37,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:12:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:12:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:12:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:12:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:12:37,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:12:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:12:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:12:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:12:37,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:12:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:12:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:12:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:12:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:12:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:12:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:12:37,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:12:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:12:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:12:37,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:12:37,811 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:12:37,813 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:12:37,968 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:38,011 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 20:12:38,011 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:12:38,028 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:12:38,029 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:12:38,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:38 BoogieIcfgContainer [2024-09-12 20:12:38,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:12:38,030 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:12:38,030 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:12:38,030 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:12:38,031 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:35" (1/4) ... [2024-09-12 20:12:38,031 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1380f348 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:38, skipping insertion in model container [2024-09-12 20:12:38,031 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:12:37" (2/4) ... [2024-09-12 20:12:38,031 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1380f348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:38, skipping insertion in model container [2024-09-12 20:12:38,031 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:37" (3/4) ... [2024-09-12 20:12:38,031 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1380f348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:38, skipping insertion in model container [2024-09-12 20:12:38,032 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:38" (4/4) ... [2024-09-12 20:12:38,033 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-12 20:12:38,036 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:12:38,036 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:38,037 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 20:12:38,037 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:38,037 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:38,037 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:38,037 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 20:12:38,037 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:12:38,038 INFO L130 InvariantChecker]: Will check 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, 3 loop-free subgraphs from procedure entry to error location [2024-09-12 20:12:38,086 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:12:38,087 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,087 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,088 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,091 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,102 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:12:38,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:38,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:38,105 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:38,108 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:38,130 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:38,164 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 20:12:38,164 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,165 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,165 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,165 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,186 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:12:38,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:38,187 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:38,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:38,192 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:38,194 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:38,208 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:38,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:38,208 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:38,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:38,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:38,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,214 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:38,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:38,215 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:38,215 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:38,215 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:38,215 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:42,219 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:12:42,235 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:12:42,235 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:42,235 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:42,235 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:42,236 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:42,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:42,240 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:12:42,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:42,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:42,240 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:42,240 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:42,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:42,243 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:42,257 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:42,257 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:42,257 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:42,257 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:42,258 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:42,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:42,259 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:42,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:42,261 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:42,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:42,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:42,262 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:42,264 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:12:42,281 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:12:42,283 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:42,283 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:42,283 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:42,284 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:42,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:42,298 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:12:42,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:42,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:42,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:42,299 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:42,299 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:42,301 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:42,333 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 20:12:42,333 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:42,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:42,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:42,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:42,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:42,408 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 20:12:42,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:42,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:42,409 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:42,409 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:42,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:46,429 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:12:46,434 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 20:12:46,434 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1380f348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:12:46, skipping insertion in model container [2024-09-12 20:12:46,434 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:12:46,443 INFO L158 Benchmark]: Toolchain (without parser) took 9035.85ms. Allocated memory is still 199.2MB. Free memory was 168.4MB in the beginning and 156.7MB in the end (delta: 11.7MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-09-12 20:12:46,444 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 90.3MB in the beginning and 90.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:46,444 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 127.9MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:46,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.14ms. Allocated memory is still 199.2MB. Free memory was 168.4MB in the beginning and 155.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:12:46,445 INFO L158 Benchmark]: Boogie Preprocessor took 34.08ms. Allocated memory is still 199.2MB. Free memory was 155.1MB in the beginning and 153.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:12:46,446 INFO L158 Benchmark]: RCFGBuilder took 338.38ms. Allocated memory is still 199.2MB. Free memory was 153.0MB in the beginning and 136.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 20:12:46,447 INFO L158 Benchmark]: Referee took 8404.30ms. Allocated memory is still 199.2MB. Free memory was 136.2MB in the beginning and 156.7MB in the end (delta: -20.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-12 20:12:46,449 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 main 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 loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.16ms. Allocated memory is still 127.9MB. Free memory was 90.3MB in the beginning and 90.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.19ms. Allocated memory is still 127.9MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.14ms. Allocated memory is still 199.2MB. Free memory was 168.4MB in the beginning and 155.1MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.08ms. Allocated memory is still 199.2MB. Free memory was 155.1MB in the beginning and 153.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.38ms. Allocated memory is still 199.2MB. Free memory was 153.0MB in the beginning and 136.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8404.30ms. Allocated memory is still 199.2MB. Free memory was 136.2MB in the beginning and 156.7MB in the end (delta: -20.5MB). 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 20:12:46,487 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_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:12:48,912 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:12:48,977 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 20:12:48,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:12:48,984 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:12:49,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:12:49,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:12:49,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:12:49,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:12:49,016 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:12:49,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:12:49,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:12:49,017 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:12:49,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:12:49,021 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:12:49,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:12:49,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:12:49,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:12:49,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:12:49,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:12:49,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:12:49,023 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:12:49,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:12:49,023 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 20:12:49,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 20:12:49,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:12:49,026 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 20:12:49,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:12:49,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:12:49,027 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:12:49,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:12:49,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:12:49,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:12:49,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:12:49,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:49,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:12:49,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:12:49,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:12:49,029 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 20:12:49,029 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 20:12:49,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:12:49,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:12:49,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:12:49,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:12:49,032 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 20:12:49,032 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:12:49,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:12:49,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:12:49,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:12:49,353 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:12:49,354 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:12:49,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-12 20:12:49,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:12:49,456 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:12:49,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-12 20:12:51,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:12:51,619 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:12:51,619 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-12 20:12:51,632 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e04486781/2273c8c523f945f58a6bda716f6e0a4e/FLAG3cef296d7 [2024-09-12 20:12:51,661 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e04486781/2273c8c523f945f58a6bda716f6e0a4e [2024-09-12 20:12:51,666 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:12:51,668 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:12:51,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:51,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:12:51,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:12:51,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:49" (1/2) ... [2024-09-12 20:12:51,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fa49a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:51, skipping insertion in model container [2024-09-12 20:12:51,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:49" (1/2) ... [2024-09-12 20:12:51,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46a96a91 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:51, skipping insertion in model container [2024-09-12 20:12:51,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:51" (2/2) ... [2024-09-12 20:12:51,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fa49a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:51, skipping insertion in model container [2024-09-12 20:12:51,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:51" (2/2) ... [2024-09-12 20:12:51,705 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:12:51,710 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-12 20:12:51,710 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:12:51,710 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-12 20:12:51,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:12:52,018 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] [2024-09-12 20:12:52,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:52,078 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:12:52,154 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-09-12 20:12:52,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:52,206 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:12:52,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52 WrapperNode [2024-09-12 20:12:52,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:52,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:12:52,214 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:12:52,214 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:12:52,234 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (1/1) ... [2024-09-12 20:12:52,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (1/1) ... [2024-09-12 20:12:52,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (1/1) ... [2024-09-12 20:12:52,263 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-12 20:12:52,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (1/1) ... [2024-09-12 20:12:52,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (1/1) ... [2024-09-12 20:12:52,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (1/1) ... [2024-09-12 20:12:52,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (1/1) ... [2024-09-12 20:12:52,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (1/1) ... [2024-09-12 20:12:52,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (1/1) ... [2024-09-12 20:12:52,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:12:52,286 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:12:52,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:12:52,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:12:52,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (1/1) ... [2024-09-12 20:12:52,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:52,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:12:52,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-12 20:12:52,341 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-12 20:12:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:12:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:12:52,387 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:12:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:12:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:12:52,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:12:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:12:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:12:52,388 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:12:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:12:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:12:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:12:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:12:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:12:52,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:12:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 20:12:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:12:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 20:12:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 20:12:52,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:12:52,462 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:12:52,465 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:12:52,923 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:52,962 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 20:12:52,962 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:12:52,997 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:12:52,998 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:12:52,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:52 BoogieIcfgContainer [2024-09-12 20:12:52,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:12:52,999 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:12:52,999 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:12:53,001 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:12:53,001 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:49" (1/4) ... [2024-09-12 20:12:53,002 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e16aeaf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:53, skipping insertion in model container [2024-09-12 20:12:53,002 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:12:51" (2/4) ... [2024-09-12 20:12:53,003 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e16aeaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:53, skipping insertion in model container [2024-09-12 20:12:53,003 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:52" (3/4) ... [2024-09-12 20:12:53,003 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e16aeaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:53, skipping insertion in model container [2024-09-12 20:12:53,003 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:52" (4/4) ... [2024-09-12 20:12:53,004 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-12 20:12:53,010 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:12:53,010 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:53,011 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 20:12:53,011 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:53,011 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:53,011 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:53,012 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 20:12:53,012 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:12:53,012 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-12 20:12:53,060 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:12:53,061 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:53,062 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:53,062 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:53,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:53,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,078 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:12:53,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,079 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:53,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:53,079 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:53,083 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:53,096 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:53,126 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 20:12:53,126 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:53,126 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:53,126 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:53,128 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:53,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,144 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:12:53,146 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,147 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:53,147 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:53,147 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:53,148 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:53,151 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:53,183 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:53,183 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:53,183 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:53,183 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:53,183 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:53,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,188 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:53,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,190 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:53,191 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:53,191 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:53,191 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:53,234 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:53,253 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:12:53,256 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:53,256 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:53,256 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:53,256 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:53,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,258 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:12:53,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,261 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:53,261 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:53,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:53,261 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:53,263 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:53,273 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:53,274 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:53,274 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:53,274 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:53,275 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:53,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,277 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:53,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,278 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:53,278 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:53,278 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:53,278 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:53,280 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:12:53,290 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:12:53,290 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:53,290 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:53,290 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:53,291 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:53,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,306 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:12:53,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:53,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:53,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:53,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:53,319 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:53,330 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 20:12:53,331 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:53,331 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:53,331 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:53,331 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:53,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,349 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 20:12:53,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:53,349 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:53,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:53,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:53,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:53,375 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:53,382 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 20:12:53,383 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6e16aeaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:12:53, skipping insertion in model container [2024-09-12 20:12:53,383 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:12:53,385 INFO L158 Benchmark]: Toolchain (without parser) took 1716.41ms. Allocated memory is still 88.1MB. Free memory was 61.3MB in the beginning and 39.3MB in the end (delta: 22.0MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-09-12 20:12:53,385 INFO L158 Benchmark]: Witness Parser took 3.82ms. Allocated memory is still 67.1MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:53,385 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 67.1MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:53,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.80ms. Allocated memory is still 88.1MB. Free memory was 61.1MB in the beginning and 46.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:12:53,387 INFO L158 Benchmark]: Boogie Preprocessor took 74.67ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 44.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:12:53,387 INFO L158 Benchmark]: RCFGBuilder took 712.46ms. Allocated memory is still 88.1MB. Free memory was 44.6MB in the beginning and 50.9MB in the end (delta: -6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 20:12:53,388 INFO L158 Benchmark]: Referee took 384.44ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 39.7MB in the end (delta: 11.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-09-12 20:12:53,390 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure 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. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to 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 __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 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 3.82ms. Allocated memory is still 67.1MB. Free memory is still 37.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 67.1MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.80ms. Allocated memory is still 88.1MB. Free memory was 61.1MB in the beginning and 46.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.67ms. Allocated memory is still 88.1MB. Free memory was 46.9MB in the beginning and 44.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.46ms. Allocated memory is still 88.1MB. Free memory was 44.6MB in the beginning and 50.9MB in the end (delta: -6.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 384.44ms. Allocated memory is still 88.1MB. Free memory was 50.9MB in the beginning and 39.7MB in the end (delta: 11.2MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:12:53,416 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: TRUE