./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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 13:28:07,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:07,143 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:07,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:07,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:07,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:07,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:07,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:07,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:07,179 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:07,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:07,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:07,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:07,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:07,182 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:07,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:07,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:07,183 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:07,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:07,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:07,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:07,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:07,187 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:07,187 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:07,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:07,187 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:07,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:07,188 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:07,188 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:07,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:07,189 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:07,189 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:07,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:07,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:07,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:07,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:07,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:07,191 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:07,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:07,192 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:07,192 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:07,192 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:07,193 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:07,193 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:07,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:07,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:07,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:07,475 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:07,476 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:07,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-20 13:28:07,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:07,534 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:07,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-20 13:28:09,009 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:09,183 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:09,184 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-20 13:28:09,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f0dd3686a/59cc40a8a6964404b10741c19ae65f01/FLAG86e571947 [2024-09-20 13:28:09,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f0dd3686a/59cc40a8a6964404b10741c19ae65f01 [2024-09-20 13:28:09,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:09,211 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:09,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:09,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:09,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:09,219 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 01:28:07" (1/2) ... [2024-09-20 13:28:09,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1772d191 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:09, skipping insertion in model container [2024-09-20 13:28:09,220 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 01:28:07" (1/2) ... [2024-09-20 13:28:09,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62bd39e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:09, skipping insertion in model container [2024-09-20 13:28:09,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:09" (2/2) ... [2024-09-20 13:28:09,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1772d191 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09, skipping insertion in model container [2024-09-20 13:28:09,221 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:09" (2/2) ... [2024-09-20 13:28:09,228 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:09,228 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 13:28:09,228 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:28:09,228 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:28:09,228 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:09,247 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:09,392 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_unwindbound10.c[537,550] [2024-09-20 13:28:09,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:09,417 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:09,448 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_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:28:09,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:09,472 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:09,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09 WrapperNode [2024-09-20 13:28:09,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:09,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:09,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:09,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:09,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2024-09-20 13:28:09,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2024-09-20 13:28:09,489 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2024-09-20 13:28:09,506 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 13:28:09,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2024-09-20 13:28:09,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2024-09-20 13:28:09,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2024-09-20 13:28:09,517 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2024-09-20 13:28:09,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2024-09-20 13:28:09,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2024-09-20 13:28:09,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:09,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:09,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:09,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:09,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (1/1) ... [2024-09-20 13:28:09,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:09,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:09,552 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:28:09,555 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 13:28:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:09,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:09,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:09,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:09,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:09,696 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:09,698 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:09,717 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:09,738 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:09,942 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:09,966 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:10,004 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:10,004 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:10,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:10 BoogieIcfgContainer [2024-09-20 13:28:10,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:10,005 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:10,005 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:10,006 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:10,006 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 01:28:07" (1/4) ... [2024-09-20 13:28:10,007 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32283ac7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:10, skipping insertion in model container [2024-09-20 13:28:10,007 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:09" (2/4) ... [2024-09-20 13:28:10,007 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32283ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:10, skipping insertion in model container [2024-09-20 13:28:10,007 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:09" (3/4) ... [2024-09-20 13:28:10,007 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32283ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:10, skipping insertion in model container [2024-09-20 13:28:10,007 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:10" (4/4) ... [2024-09-20 13:28:10,009 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-20 13:28:10,012 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:10,012 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:10,012 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:10,013 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:10,013 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:28:10,013 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:10,013 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:28:10,013 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:28:10,013 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:10,014 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 13:28:10,014 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 13:28:10,014 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:10,014 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:10,014 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:28:10,015 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-20 13:28:10,065 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:10,067 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:10,067 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:10,068 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:10,069 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:10,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,080 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:10,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,082 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:10,082 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:10,082 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:10,085 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:10,105 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:10,122 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:10,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:10,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:10,123 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:10,123 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:10,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,125 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:10,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,126 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:10,126 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:10,126 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:10,126 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:10,128 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:10,150 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:10,150 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:10,150 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:10,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:10,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:10,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,174 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:10,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:10,175 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:10,175 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:10,175 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:10,175 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:14,179 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:14,194 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:14,195 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:14,195 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:14,195 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:14,195 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:14,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,196 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:14,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,196 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:14,196 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:14,196 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:14,196 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:14,198 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:14,210 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:14,210 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:14,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:14,210 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:14,211 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:14,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,212 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:14,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:14,212 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:14,213 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:14,213 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:14,214 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:14,228 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:14,228 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:14,228 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:14,228 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:14,229 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:14,229 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,258 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:14,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,258 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:14,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:14,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:14,259 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:14,261 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:14,272 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:28:14,273 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:14,273 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:14,273 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:14,274 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:14,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,293 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:28:14,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:14,294 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:14,294 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:14,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:14,302 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,312 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:18,327 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:18,328 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,328 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,328 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,329 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,329 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:18,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,330 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,330 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,330 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,332 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:18,342 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:18,342 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,342 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,342 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,342 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,345 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:18,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,345 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,345 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,345 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,356 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,358 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:18,368 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:18,368 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,369 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,369 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,369 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,370 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:18,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,371 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,371 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,371 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,371 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,373 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:18,383 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:28:18,383 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,383 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,383 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,386 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:28:18,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,386 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,386 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,386 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,387 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,388 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:18,399 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:28:18,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,400 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,400 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,405 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:28:18,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,405 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,405 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,405 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,406 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:18,408 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:18,420 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:28:18,421 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:18,421 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:18,421 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:18,421 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:18,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,448 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:28:18,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:18,449 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:18,449 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:18,449 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:18,458 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:22,462 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:22,467 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:22,467 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32283ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:22, skipping insertion in model container [2024-09-20 13:28:22,467 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:22,470 INFO L158 Benchmark]: Toolchain (without parser) took 13257.45ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 77.2MB in the beginning and 140.2MB in the end (delta: -63.0MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2024-09-20 13:28:22,470 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:22,471 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:22,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.53ms. Allocated memory is still 132.1MB. Free memory was 76.9MB in the beginning and 62.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:22,473 INFO L158 Benchmark]: Boogie Preprocessor took 48.93ms. Allocated memory is still 132.1MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:22,473 INFO L158 Benchmark]: RCFGBuilder took 481.65ms. Allocated memory is still 132.1MB. Free memory was 60.3MB in the beginning and 89.5MB in the end (delta: -29.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-09-20 13:28:22,475 INFO L158 Benchmark]: Referee took 12461.89ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 89.4MB in the beginning and 140.2MB in the end (delta: -50.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2024-09-20 13:28:22,477 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 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 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 entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. 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 entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 132.1MB. Free memory is still 93.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 132.1MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.53ms. Allocated memory is still 132.1MB. Free memory was 76.9MB in the beginning and 62.7MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.93ms. Allocated memory is still 132.1MB. Free memory was 62.4MB in the beginning and 60.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.65ms. Allocated memory is still 132.1MB. Free memory was 60.3MB in the beginning and 89.5MB in the end (delta: -29.1MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Referee took 12461.89ms. Allocated memory was 132.1MB in the beginning and 192.9MB in the end (delta: 60.8MB). Free memory was 89.4MB in the beginning and 140.2MB in the end (delta: -50.8MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:22,509 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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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 13:28:24,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:24,701 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:24,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:24,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:24,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:24,742 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:24,742 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:24,743 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:24,745 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:24,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:24,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:24,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:24,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:24,747 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:24,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:24,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:24,747 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:24,748 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:24,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:24,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:24,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:24,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:24,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:24,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:24,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:24,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:24,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:24,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:24,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:24,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:24,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:24,759 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:24,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:24,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:24,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:24,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:24,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:24,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:24,761 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:24,761 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:24,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:24,762 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:24,762 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:24,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:24,762 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:24,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:25,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:25,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:25,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:25,094 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:25,095 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:25,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-20 13:28:25,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:25,154 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:25,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-20 13:28:26,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:26,946 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:26,948 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-20 13:28:26,957 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3d3698f41/16f3d6f732094cf9aedac727cbca5cb1/FLAG10e22b720 [2024-09-20 13:28:27,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3d3698f41/16f3d6f732094cf9aedac727cbca5cb1 [2024-09-20 13:28:27,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:27,318 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:27,320 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:27,321 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:27,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:27,326 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 01:28:25" (1/2) ... [2024-09-20 13:28:27,329 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14438448 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:27, skipping insertion in model container [2024-09-20 13:28:27,329 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 01:28:25" (1/2) ... [2024-09-20 13:28:27,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cf0171a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:27, skipping insertion in model container [2024-09-20 13:28:27,331 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:27" (2/2) ... [2024-09-20 13:28:27,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14438448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27, skipping insertion in model container [2024-09-20 13:28:27,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:27" (2/2) ... [2024-09-20 13:28:27,342 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:27,342 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 13:28:27,343 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:28:27,343 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:28:27,343 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:27,360 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:27,504 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_unwindbound10.c[537,550] [2024-09-20 13:28:27,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:27,540 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:27,571 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_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:28:27,583 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:27,603 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:27,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27 WrapperNode [2024-09-20 13:28:27,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:27,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:27,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:27,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:27,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,624 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,632 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 13:28:27,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,633 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,641 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,646 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:27,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:27,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:27,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:27,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (1/1) ... [2024-09-20 13:28:27,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:27,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:27,687 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 13:28:27,694 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 13:28:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:27,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:27,830 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:27,833 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:27,863 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:27,900 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:28,488 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:28,512 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:28,564 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:28,567 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:28,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:28 BoogieIcfgContainer [2024-09-20 13:28:28,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:28,571 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:28,571 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:28,572 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:28,572 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 01:28:25" (1/4) ... [2024-09-20 13:28:28,572 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62eed582 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,572 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:27" (2/4) ... [2024-09-20 13:28:28,573 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62eed582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,573 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:27" (3/4) ... [2024-09-20 13:28:28,575 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62eed582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,575 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:28" (4/4) ... [2024-09-20 13:28:28,576 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-20 13:28:28,580 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:28,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:28,581 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:28,582 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:28,582 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:28:28,582 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:28,583 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:28:28,583 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:28:28,583 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:28,584 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 13:28:28,584 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 13:28:28,584 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:28,584 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:28,585 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:28:28,586 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry 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 loop head to error location [2024-09-20 13:28:28,641 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:28,641 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:28,642 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:28,642 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:28,643 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:28,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,656 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:28,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:28,659 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:28,660 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:28,662 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:28,681 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:28,725 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:28,725 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:28,725 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:28,725 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:28,725 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:28,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,728 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:28,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,729 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:28,729 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:28,729 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:28,729 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:28,731 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:28,748 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:28,749 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:28,749 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:28,749 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:28,749 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:28,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,766 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:28,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:28,766 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:28,766 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:28,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:28,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:32,828 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:32,858 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:32,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:32,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:32,859 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:32,859 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:32,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,860 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:32,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:32,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:32,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:32,860 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:32,862 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:32,876 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:32,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:32,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:32,877 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:32,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:32,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,879 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:32,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,882 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:32,882 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:32,882 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:32,883 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:32,884 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:32,914 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:32,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:32,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:32,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:32,917 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:32,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,957 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:32,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:32,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:32,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:32,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:32,960 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:32,971 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:28:32,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:32,972 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:32,972 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:32,972 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:32,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,984 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:28:32,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:32,985 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:32,985 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:32,985 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:32,988 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,029 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:37,054 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:37,055 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:37,055 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:37,055 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:37,055 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:37,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,056 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:37,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,057 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:37,057 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:37,057 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:37,057 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,061 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:37,073 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:37,074 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:37,074 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:37,074 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:37,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:37,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,078 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:37,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,078 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:37,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:37,079 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:37,079 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,081 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:37,090 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:37,090 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:37,090 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:37,091 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:37,091 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:37,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,092 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:37,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,092 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:37,093 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:37,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:37,096 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,098 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:37,107 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:28:37,108 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:37,108 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:37,108 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:37,108 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:37,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,110 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:28:37,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:37,111 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:37,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:37,111 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,113 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:37,121 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:28:37,121 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:37,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:37,122 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:37,122 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:37,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,126 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:28:37,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:37,127 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:37,127 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:37,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:37,127 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:41,156 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:41,173 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:28:41,173 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:41,173 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:41,173 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:41,173 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:41,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:41,189 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:28:41,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:41,190 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:41,190 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:41,190 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:41,194 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:45,301 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:45,324 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:45,325 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62eed582 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:45, skipping insertion in model container [2024-09-20 13:28:45,325 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:45,327 INFO L158 Benchmark]: Toolchain (without parser) took 18007.61ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 34.6MB in the end (delta: 7.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:45,327 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 29.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:45,327 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:45,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.04ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 47.0MB in the end (delta: -5.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:45,328 INFO L158 Benchmark]: Boogie Preprocessor took 47.50ms. Allocated memory is still 77.6MB. Free memory was 47.0MB in the beginning and 45.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:45,330 INFO L158 Benchmark]: RCFGBuilder took 917.31ms. Allocated memory is still 77.6MB. Free memory was 44.7MB in the beginning and 53.5MB in the end (delta: -8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:45,330 INFO L158 Benchmark]: Referee took 16753.90ms. Allocated memory is still 77.6MB. Free memory was 53.5MB in the beginning and 34.6MB in the end (delta: 18.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:45,332 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 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. 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 check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 29.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.04ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 47.0MB in the end (delta: -5.6MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.50ms. Allocated memory is still 77.6MB. Free memory was 47.0MB in the beginning and 45.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 917.31ms. Allocated memory is still 77.6MB. Free memory was 44.7MB in the beginning and 53.5MB in the end (delta: -8.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 16753.90ms. Allocated memory is still 77.6MB. Free memory was 53.5MB in the beginning and 34.6MB in the end (delta: 18.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:45,375 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN