./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:08,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:08,560 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:08,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:08,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:08,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:08,588 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:08,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:08,589 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:08,589 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:08,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:08,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:08,591 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:08,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:08,593 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:08,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:08,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:08,594 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:08,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:08,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:08,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:08,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:08,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:08,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:08,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:08,601 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:08,601 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:08,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:08,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:08,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:08,602 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:08,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:08,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:08,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:08,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:08,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:08,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:08,605 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:08,605 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:08,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:08,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:08,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:08,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:08,606 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:08,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:08,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:08,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:08,902 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:08,903 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:08,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-20 13:28:10,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:10,550 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:10,551 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-20 13:28:10,557 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f88d99ebb/f26c70c44eb840bfac5dd57020fdb32b/FLAGb6a174f6e [2024-09-20 13:28:10,572 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f88d99ebb/f26c70c44eb840bfac5dd57020fdb32b [2024-09-20 13:28:10,574 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:10,575 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:10,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-20 13:28:10,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:10,632 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:10,635 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:10,635 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:10,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:10,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:10" (1/2) ... [2024-09-20 13:28:10,641 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ea756b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:10, skipping insertion in model container [2024-09-20 13:28:10,641 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:10" (1/2) ... [2024-09-20 13:28:10,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a0ac55b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:10, skipping insertion in model container [2024-09-20 13:28:10,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:10" (2/2) ... [2024-09-20 13:28:10,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ea756b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10, skipping insertion in model container [2024-09-20 13:28:10,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:10" (2/2) ... [2024-09-20 13:28:10,656 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:10,656 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 13:28:10,656 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:10,656 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:28:10,657 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:28:10,678 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:10,824 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_unwindbound50.c[537,550] [2024-09-20 13:28:10,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:10,855 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:10,896 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_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:28:10,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:10,937 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:10,937 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10 WrapperNode [2024-09-20 13:28:10,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:10,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:10,939 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:10,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:10,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,958 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,967 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:28:10,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:10,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:10,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:10,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:10,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (1/1) ... [2024-09-20 13:28:10,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:10,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:11,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:28:11,008 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:28:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:11,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:11,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:11,111 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:11,112 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:11,130 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:11,152 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:11,355 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:11,376 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:11,402 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:11,402 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:11,403 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:11 BoogieIcfgContainer [2024-09-20 13:28:11,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:11,404 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:11,404 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:11,405 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:11,405 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:10" (1/4) ... [2024-09-20 13:28:11,406 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28efcac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:11, skipping insertion in model container [2024-09-20 13:28:11,407 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:10" (2/4) ... [2024-09-20 13:28:11,407 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28efcac9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:11, skipping insertion in model container [2024-09-20 13:28:11,407 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:10" (3/4) ... [2024-09-20 13:28:11,408 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28efcac9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:11, skipping insertion in model container [2024-09-20 13:28:11,408 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:11" (4/4) ... [2024-09-20 13:28:11,409 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-20 13:28:11,412 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:11,413 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:11,413 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:11,414 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:11,414 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:28:11,414 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:11,414 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:28:11,414 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:28:11,414 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:11,415 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:11,415 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:11,415 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:11,415 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:11,416 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:28:11,416 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-20 13:28:11,465 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:11,467 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:11,468 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:11,468 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:11,469 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:11,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:11,481 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:11,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:11,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:11,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:11,484 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:11,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:11,507 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:11,534 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:11,535 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:11,535 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:11,535 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:11,535 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:11,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:11,538 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:11,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:11,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:11,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:11,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:11,539 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:11,541 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:11,560 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:11,560 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:11,560 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:11,561 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:11,561 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:11,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:11,586 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:11,586 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:11,587 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:11,587 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:11,587 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:11,587 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:15,591 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:15,621 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:15,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:15,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:15,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:15,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:15,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:15,625 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:15,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:15,625 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:15,625 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:15,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:15,626 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:15,627 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:15,649 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:15,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:15,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:15,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:15,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:15,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:15,654 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:15,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:15,654 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:15,654 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:15,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:15,655 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:15,661 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:15,679 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:15,680 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:15,680 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:15,680 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:15,680 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:15,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:15,720 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:15,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:15,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:15,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:15,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:15,722 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:15,723 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:15,735 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:28:15,735 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:15,736 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:15,736 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:15,736 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:15,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:15,768 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:28:15,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:15,769 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:15,769 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:15,770 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:15,792 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:19,800 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:19,813 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:19,813 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:19,814 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:19,814 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:19,814 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:19,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,815 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:19,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,815 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:19,815 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:19,815 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:19,815 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:19,817 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:19,830 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:19,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:19,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:19,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:19,831 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:19,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,833 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:19,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:19,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:19,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:19,835 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:19,838 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:19,849 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:19,850 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:19,850 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:19,850 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:19,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:19,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,852 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:19,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:19,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:19,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:19,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:19,854 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:19,864 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:28:19,865 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:19,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:19,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:19,866 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:19,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,868 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:28:19,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,869 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:19,869 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:19,869 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:19,869 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:19,871 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:19,882 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:28:19,883 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:19,883 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:19,883 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:19,883 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:19,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,888 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:28:19,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,889 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:19,889 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:19,889 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:19,889 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:19,891 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:19,901 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:28:19,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:19,902 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:19,902 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:19,902 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:19,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,925 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:28:19,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:19,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:19,926 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:19,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:19,933 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,937 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:23,942 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:23,943 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@28efcac9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:23, skipping insertion in model container [2024-09-20 13:28:23,943 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:23,945 INFO L158 Benchmark]: Toolchain (without parser) took 13311.76ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 104.6MB in the end (delta: 26.6MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,945 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 165.7MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:23,946 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:23,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.85ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 117.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,947 INFO L158 Benchmark]: Boogie Preprocessor took 43.50ms. Allocated memory is still 165.7MB. Free memory was 117.3MB in the beginning and 115.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,948 INFO L158 Benchmark]: RCFGBuilder took 421.26ms. Allocated memory is still 165.7MB. Free memory was 115.2MB in the beginning and 97.6MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,948 INFO L158 Benchmark]: Referee took 12539.28ms. Allocated memory is still 165.7MB. Free memory was 97.6MB in the beginning and 104.6MB in the end (delta: -7.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,951 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 main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 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 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 check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 165.7MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 133.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.85ms. Allocated memory is still 165.7MB. Free memory was 131.2MB in the beginning and 117.3MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.50ms. Allocated memory is still 165.7MB. Free memory was 117.3MB in the beginning and 115.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.26ms. Allocated memory is still 165.7MB. Free memory was 115.2MB in the beginning and 97.6MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12539.28ms. Allocated memory is still 165.7MB. Free memory was 97.6MB in the beginning and 104.6MB in the end (delta: -7.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:23,974 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:26,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:26,216 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:26,220 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:26,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:26,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:26,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:26,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:26,253 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:26,254 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:26,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:26,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:26,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:26,259 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:26,259 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:26,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:26,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:26,260 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:26,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:26,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:26,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:26,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:26,262 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:26,262 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:26,265 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:26,265 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:26,265 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:26,266 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:26,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:26,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:26,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:26,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:26,267 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:26,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:26,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:26,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:26,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:26,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:26,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:26,270 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:26,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:26,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:26,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:26,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:26,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:26,271 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:26,271 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:26,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:26,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:26,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:26,621 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:26,622 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:26,624 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-20 13:28:26,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:26,681 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:26,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-20 13:28:28,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:28,359 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:28,360 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-20 13:28:28,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5cebbebe7/db50b910503e46449bd8bf833c2f6e5f/FLAG014029cb3 [2024-09-20 13:28:28,386 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5cebbebe7/db50b910503e46449bd8bf833c2f6e5f [2024-09-20 13:28:28,387 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:28,388 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:28,390 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:28,390 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:28,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:28,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:26" (1/2) ... [2024-09-20 13:28:28,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc9eca1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,397 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:26" (1/2) ... [2024-09-20 13:28:28,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@92c41a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:28" (2/2) ... [2024-09-20 13:28:28,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc9eca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28, skipping insertion in model container [2024-09-20 13:28:28,401 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:28" (2/2) ... [2024-09-20 13:28:28,411 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:28,411 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 13:28:28,411 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:28:28,412 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:28:28,412 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:28,431 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:28,597 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_unwindbound50.c[537,550] [2024-09-20 13:28:28,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:28,634 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:28,692 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_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:28:28,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:28,731 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:28,732 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28 WrapperNode [2024-09-20 13:28:28,732 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:28,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:28,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:28,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:28,746 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (1/1) ... [2024-09-20 13:28:28,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (1/1) ... [2024-09-20 13:28:28,754 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (1/1) ... [2024-09-20 13:28:28,770 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:28:28,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (1/1) ... [2024-09-20 13:28:28,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (1/1) ... [2024-09-20 13:28:28,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (1/1) ... [2024-09-20 13:28:28,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (1/1) ... [2024-09-20 13:28:28,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (1/1) ... [2024-09-20 13:28:28,786 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (1/1) ... [2024-09-20 13:28:28,788 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:28,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:28,789 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:28,789 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:28,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (1/1) ... [2024-09-20 13:28:28,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:28,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:28:28,827 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:28:28,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:28,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:28,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:28,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:28,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:28,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:28,955 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:28,958 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:28,977 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:29,015 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:29,438 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:29,463 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:29,503 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:29,503 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:29,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:29 BoogieIcfgContainer [2024-09-20 13:28:29,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:29,505 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:29,505 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:29,506 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:29,506 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:26" (1/4) ... [2024-09-20 13:28:29,506 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@433c0903 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:29, skipping insertion in model container [2024-09-20 13:28:29,507 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:28" (2/4) ... [2024-09-20 13:28:29,507 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@433c0903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:29, skipping insertion in model container [2024-09-20 13:28:29,507 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:28" (3/4) ... [2024-09-20 13:28:29,507 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@433c0903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:29, skipping insertion in model container [2024-09-20 13:28:29,508 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:29" (4/4) ... [2024-09-20 13:28:29,512 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-20 13:28:29,516 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:29,517 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:29,517 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:29,518 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:29,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:28:29,518 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:29,518 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:28:29,519 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:28:29,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:29,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:29,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:29,519 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:29,520 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:29,520 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 13:28:29,521 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 [2024-09-20 13:28:29,581 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:29,582 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:29,582 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:29,583 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:29,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:29,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,603 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:29,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,607 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:29,607 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:29,608 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:29,611 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:29,629 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:29,664 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:29,670 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:29,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:29,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:29,671 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:29,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,677 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:29,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:29,677 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:29,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:29,678 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:29,681 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:29,718 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:29,720 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:29,721 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:29,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:29,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:29,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,734 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:29,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:29,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:29,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:29,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:29,739 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,782 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:33,809 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:33,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,810 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,811 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:33,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,811 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,811 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,811 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,815 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:33,828 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:33,828 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,829 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,829 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,830 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:33,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,831 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,831 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,831 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,835 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:33,854 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:33,854 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,854 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,854 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,854 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,888 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:33,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,890 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,890 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,891 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:33,893 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:33,910 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:28:33,910 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:33,911 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:33,911 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:33,911 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:33,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,933 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:28:33,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:33,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:33,934 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:33,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:33,939 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:37,984 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:38,006 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:38,006 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:38,006 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:38,006 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:38,007 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:38,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,008 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:38,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,008 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:38,008 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:38,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:38,009 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:38,010 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:38,019 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:38,019 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:38,019 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:38,019 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:38,019 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:38,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,022 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:38,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,022 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:38,022 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:38,022 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:38,023 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:38,024 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:38,034 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:38,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:38,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:38,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:38,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:38,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,036 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:38,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:38,037 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:38,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:38,037 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:38,040 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:38,048 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:28:38,048 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:38,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:38,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:38,049 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:38,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,052 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:28:38,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:38,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:38,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:38,053 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:38,056 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:38,067 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:28:38,068 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:38,068 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:38,068 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:38,068 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:38,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,073 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:28:38,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,074 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:38,074 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:38,074 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:38,074 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:38,099 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:38,115 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 13:28:38,116 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:38,117 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:38,117 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:38,117 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:38,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,142 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 13:28:38,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:38,143 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:38,143 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:38,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:38,147 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:42,235 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:42,261 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:42,262 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@433c0903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:42, skipping insertion in model container [2024-09-20 13:28:42,262 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:42,264 INFO L158 Benchmark]: Toolchain (without parser) took 13875.04ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 44.1MB in the beginning and 37.0MB in the end (delta: 7.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:42,264 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 48.2MB. Free memory is still 25.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:42,265 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory is still 23.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:42,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.91ms. Allocated memory is still 75.5MB. Free memory was 43.9MB in the beginning and 52.8MB in the end (delta: -8.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-09-20 13:28:42,266 INFO L158 Benchmark]: Boogie Preprocessor took 55.18ms. Allocated memory is still 75.5MB. Free memory was 52.8MB in the beginning and 50.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:42,266 INFO L158 Benchmark]: RCFGBuilder took 715.85ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 34.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:42,267 INFO L158 Benchmark]: Referee took 12757.15ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 34.3MB in the beginning and 37.0MB in the end (delta: -2.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-09-20 13:28:42,270 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 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure 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 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 main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 48.2MB. Free memory is still 25.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory is still 23.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.91ms. Allocated memory is still 75.5MB. Free memory was 43.9MB in the beginning and 52.8MB in the end (delta: -8.9MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.18ms. Allocated memory is still 75.5MB. Free memory was 52.8MB in the beginning and 50.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 715.85ms. Allocated memory is still 75.5MB. Free memory was 50.5MB in the beginning and 34.3MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12757.15ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 34.3MB in the beginning and 37.0MB in the end (delta: -2.7MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:42,323 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN