./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.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-fb1cb0b-m [2024-09-25 11:48:12,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:12,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:12,818 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:12,820 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:12,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:12,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:12,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:12,842 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:12,848 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:12,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:12,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:12,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:12,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:12,849 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:12,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:12,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:12,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:12,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:12,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:12,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:12,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:12,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:12,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:12,852 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:12,852 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:12,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:12,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:12,853 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:12,853 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:12,853 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:12,853 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:12,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:12,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:12,853 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:12,853 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:12,854 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:12,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:12,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:12,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:12,854 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:12,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:12,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:12,855 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:13,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:13,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:13,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:13,074 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:13,074 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:13,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml [2024-09-25 11:48:13,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:13,154 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:13,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-25 11:48:14,564 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:14,679 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:14,679 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-25 11:48:14,684 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f4352c39d/0a97b32c8afd4066a2e2600fbc04075b/FLAGf206693d6 [2024-09-25 11:48:15,105 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f4352c39d/0a97b32c8afd4066a2e2600fbc04075b [2024-09-25 11:48:15,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:15,108 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:15,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:15,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:15,114 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:15,115 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:13" (1/2) ... [2024-09-25 11:48:15,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20aea14e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:13" (1/2) ... [2024-09-25 11:48:15,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@170706a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:15" (2/2) ... [2024-09-25 11:48:15,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20aea14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:15" (2/2) ... [2024-09-25 11:48:15,130 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:15,130 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)) [2024-09-25 11:48:15,130 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:48:15,130 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:15,131 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:15,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:15,294 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_unwindbound2.c[537,550] [2024-09-25 11:48:15,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:15,313 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:15,350 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_unwindbound2.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:15,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:15,384 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:15,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15 WrapperNode [2024-09-25 11:48:15,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:15,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:15,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:15,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:15,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,424 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 [2024-09-25 11:48:15,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,424 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,433 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,437 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:15,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:15,443 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:15,443 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:15,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:15,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:15,470 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) [2024-09-25 11:48:15,471 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 [2024-09-25 11:48:15,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:15,507 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:15,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:15,508 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:15,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:15,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:15,589 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:15,592 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:15,631 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:15,671 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:16,007 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:16,025 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:16,049 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:16,049 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:16,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:16 BoogieIcfgContainer [2024-09-25 11:48:16,050 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:16,050 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:16,050 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:16,051 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:16,051 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:13" (1/4) ... [2024-09-25 11:48:16,052 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50395e5e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:16, skipping insertion in model container [2024-09-25 11:48:16,052 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:15" (2/4) ... [2024-09-25 11:48:16,053 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50395e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:16, skipping insertion in model container [2024-09-25 11:48:16,053 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15" (3/4) ... [2024-09-25 11:48:16,054 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50395e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:16, skipping insertion in model container [2024-09-25 11:48:16,054 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:16" (4/4) ... [2024-09-25 11:48:16,056 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c [2024-09-25 11:48:16,058 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:16,059 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. [2024-09-25 11:48:16,059 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:16,059 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:16,059 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:48:16,060 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:16,060 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:16,060 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:16,060 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:16,061 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:16,061 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:16,061 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:16,061 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:16,061 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:16,062 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location [2024-09-25 11:48:16,097 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:16,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:16,098 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:16,098 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:16,099 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:16,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,107 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:16,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,108 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:16,108 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:16,108 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:16,110 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:16,121 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:16,134 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:16,134 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:16,134 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:16,135 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:16,135 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:16,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,136 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:16,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,137 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:16,137 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:16,137 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:16,137 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:16,138 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:16,151 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:16,152 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:16,152 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:16,152 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:16,152 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:16,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,163 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:16,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:16,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:16,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:16,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,166 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:20,179 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:20,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,179 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,180 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:20,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,180 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,182 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:20,190 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:20,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,192 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:20,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,192 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,192 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,192 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,192 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,193 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:20,204 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:20,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,205 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,228 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:20,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,228 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,229 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,229 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,229 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,230 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:20,238 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:20,238 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,239 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,250 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:20,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,251 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,251 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,251 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,255 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,258 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:24,266 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,267 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,267 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,267 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,267 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,267 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,268 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,268 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,268 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,268 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,269 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,270 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,276 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:24,276 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,276 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,276 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,276 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,278 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:24,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,278 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,278 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,278 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,279 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:24,285 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,285 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,285 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,285 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,285 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,286 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,286 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,286 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,286 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,286 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,286 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,287 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:24,293 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:24,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,293 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,293 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,293 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,295 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:24,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,296 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,302 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:24,302 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,302 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,303 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,306 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:24,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,306 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,307 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,308 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:24,316 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:24,317 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,317 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,317 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,317 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,337 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:24,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,338 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,338 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,344 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:28,348 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:28,353 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:28,353 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@50395e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:28, skipping insertion in model container [2024-09-25 11:48:28,353 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:28,354 INFO L158 Benchmark]: Toolchain (without parser) took 13246.03ms. Allocated memory is still 207.6MB. Free memory was 138.0MB in the beginning and 94.2MB in the end (delta: 43.8MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,355 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 113.2MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:28,355 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 207.6MB. Free memory is still 182.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:28,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.71ms. Allocated memory is still 207.6MB. Free memory was 137.7MB in the beginning and 122.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,356 INFO L158 Benchmark]: Boogie Preprocessor took 54.24ms. Allocated memory is still 207.6MB. Free memory was 122.8MB in the beginning and 120.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,356 INFO L158 Benchmark]: RCFGBuilder took 606.65ms. Allocated memory is still 207.6MB. Free memory was 120.7MB in the beginning and 167.1MB in the end (delta: -46.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,357 INFO L158 Benchmark]: Referee took 12303.08ms. Allocated memory is still 207.6MB. Free memory was 167.1MB in the beginning and 94.2MB in the end (delta: 72.9MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,358 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 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 37. 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 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 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 25. 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 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.08ms. Allocated memory is still 113.2MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 207.6MB. Free memory is still 182.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.71ms. Allocated memory is still 207.6MB. Free memory was 137.7MB in the beginning and 122.8MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.24ms. Allocated memory is still 207.6MB. Free memory was 122.8MB in the beginning and 120.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.65ms. Allocated memory is still 207.6MB. Free memory was 120.7MB in the beginning and 167.1MB in the end (delta: -46.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Referee took 12303.08ms. Allocated memory is still 207.6MB. Free memory was 167.1MB in the beginning and 94.2MB in the end (delta: 72.9MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:28,378 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.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-fb1cb0b-m [2024-09-25 11:48:30,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:30,404 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:30,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:30,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:30,435 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:30,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:30,437 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:30,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:30,438 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:30,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:30,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:30,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:30,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:30,442 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:30,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:30,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:30,442 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:30,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:30,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:30,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:30,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:30,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:30,443 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:30,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:30,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:30,444 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:30,444 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:30,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:30,444 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:30,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:30,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:30,445 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:30,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:30,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:30,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:30,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:30,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:30,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:30,449 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:30,449 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:30,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:30,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:30,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:30,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:30,451 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:30,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:30,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:30,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:30,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:30,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:30,731 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:30,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-25 11:48:32,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:32,233 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:32,235 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-25 11:48:32,242 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8a042183b/d0125287687c43c4abce68ac56c1e196/FLAG8cb90a257 [2024-09-25 11:48:32,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8a042183b/d0125287687c43c4abce68ac56c1e196 [2024-09-25 11:48:32,258 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:32,260 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:32,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml [2024-09-25 11:48:32,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:32,305 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:32,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:32,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:32,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:32,310 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:32" (1/2) ... [2024-09-25 11:48:32,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bda64c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:32" (1/2) ... [2024-09-25 11:48:32,314 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bef7a5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:32" (2/2) ... [2024-09-25 11:48:32,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68bda64c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32, skipping insertion in model container [2024-09-25 11:48:32,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:32" (2/2) ... [2024-09-25 11:48:32,323 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:32,325 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)) [2024-09-25 11:48:32,325 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:48:32,325 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:32,325 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:32,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:32,458 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_unwindbound2.c[537,550] [2024-09-25 11:48:32,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:32,490 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:32,521 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_unwindbound2.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:32,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:32,549 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:32,550 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32 WrapperNode [2024-09-25 11:48:32,550 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:32,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:32,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:32,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:32,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,566 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,577 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 [2024-09-25 11:48:32,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,589 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:32,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:32,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:32,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:32,593 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (1/1) ... [2024-09-25 11:48:32,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:32,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:32,620 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) [2024-09-25 11:48:32,622 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 [2024-09-25 11:48:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:32,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:32,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:32,710 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:32,712 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:32,728 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:32,748 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:33,093 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:33,109 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:33,130 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:33,130 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:33,131 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:33 BoogieIcfgContainer [2024-09-25 11:48:33,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:33,131 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:33,131 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:33,132 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:33,132 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:32" (1/4) ... [2024-09-25 11:48:33,132 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@259402d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,133 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:32" (2/4) ... [2024-09-25 11:48:33,133 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@259402d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,133 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:32" (3/4) ... [2024-09-25 11:48:33,133 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@259402d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,133 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:33" (4/4) ... [2024-09-25 11:48:33,134 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c [2024-09-25 11:48:33,137 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:33,137 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. [2024-09-25 11:48:33,138 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:33,138 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:33,138 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:48:33,138 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:33,138 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:33,139 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:33,139 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:33,139 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:33,140 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:33,140 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:33,140 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:33,140 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:33,141 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 11:48:33,190 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:33,191 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:33,192 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:33,192 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:33,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:33,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,204 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:33,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,206 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:33,206 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:33,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:33,209 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:33,220 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:33,252 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:33,253 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:33,253 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:33,253 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:33,253 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:33,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,256 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:33,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,258 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:33,258 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:33,258 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:33,258 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:33,261 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:33,285 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:33,289 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:33,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:33,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:33,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:33,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,309 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:33,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:33,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:33,312 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:33,313 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:33,313 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:37,349 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:37,369 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:37,370 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:37,370 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:37,370 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:37,370 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:37,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,371 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:37,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,371 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:37,371 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:37,371 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:37,371 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:37,372 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:37,387 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:37,387 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:37,387 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:37,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:37,387 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:37,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,388 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:37,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,389 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:37,389 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:37,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:37,389 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:37,390 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:37,398 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:37,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:37,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:37,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:37,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:37,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,418 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:37,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,419 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:37,419 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:37,419 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:37,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:37,420 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:37,428 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:37,428 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:37,428 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:37,429 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:37,429 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:37,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,437 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:37,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:37,437 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:37,437 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:37,437 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:37,439 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,472 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:41,490 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:41,491 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,491 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,491 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,491 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,491 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,492 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:41,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,492 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,492 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,492 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,493 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,493 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:41,499 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:41,499 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,500 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,500 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,501 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:41,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,502 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,502 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,502 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,503 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:41,508 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:41,508 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,508 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,509 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,509 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,510 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:41,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,510 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,511 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:41,516 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:41,517 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,517 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,517 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,517 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,518 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:41,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,518 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,519 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,519 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,519 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,520 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:41,525 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:41,525 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,525 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,525 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,525 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,525 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,528 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:41,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,528 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,528 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,528 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,528 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:41,545 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:41,553 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:41,553 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:41,554 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:41,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:41,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:41,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,579 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:41,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:41,579 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:41,580 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:41,580 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:41,583 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:45,656 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:45,681 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:45,681 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@259402d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:45, skipping insertion in model container [2024-09-25 11:48:45,681 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:45,683 INFO L158 Benchmark]: Toolchain (without parser) took 13377.44ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 47.3MB in the beginning and 72.9MB in the end (delta: -25.6MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:45,683 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:45,683 INFO L158 Benchmark]: Witness Parser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:45,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.53ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 32.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:45,684 INFO L158 Benchmark]: Boogie Preprocessor took 40.53ms. Allocated memory is still 69.2MB. Free memory was 32.8MB in the beginning and 30.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:45,685 INFO L158 Benchmark]: RCFGBuilder took 538.59ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 30.5MB in the beginning and 67.2MB in the end (delta: -36.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-25 11:48:45,685 INFO L158 Benchmark]: Referee took 12550.33ms. Allocated memory is still 102.8MB. Free memory was 67.2MB in the beginning and 72.9MB in the end (delta: -5.8MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2024-09-25 11:48:45,687 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 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. 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 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 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 main to check that procedure precondition always holds at line 25. 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: * CDTParser took 0.23ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 92.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.24ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.53ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 32.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.53ms. Allocated memory is still 69.2MB. Free memory was 32.8MB in the beginning and 30.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 538.59ms. Allocated memory was 69.2MB in the beginning and 102.8MB in the end (delta: 33.6MB). Free memory was 30.5MB in the beginning and 67.2MB in the end (delta: -36.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 12550.33ms. Allocated memory is still 102.8MB. Free memory was 67.2MB in the beginning and 72.9MB in the end (delta: -5.8MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:45,722 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN