./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:08:29,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:29,638 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:08:29,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:29,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:29,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:29,675 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:29,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:29,676 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:29,679 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:29,680 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:29,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:29,680 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:29,681 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:29,681 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:29,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:29,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:29,681 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:29,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:08:29,682 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:29,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:29,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:29,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:29,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:29,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:29,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:29,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:29,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:29,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:29,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:29,686 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:29,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:29,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:29,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:29,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:29,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:29,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:29,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:08:29,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:08:29,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:29,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:29,689 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:29,690 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:29,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:29,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:29,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:29,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:29,994 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:29,994 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:29,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-13 05:08:31,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:31,589 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:31,589 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-13 05:08:31,596 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4ef47bf01/68ab7033fc0c46be8e94986282e0f6a7/FLAGc127eb048 [2024-09-13 05:08:31,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4ef47bf01/68ab7033fc0c46be8e94986282e0f6a7 [2024-09-13 05:08:31,613 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:31,614 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:31,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml [2024-09-13 05:08:31,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:31,670 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:31,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:31,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:31,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:31,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:31" (1/2) ... [2024-09-13 05:08:31,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695157db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:31, skipping insertion in model container [2024-09-13 05:08:31,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:31" (1/2) ... [2024-09-13 05:08:31,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f947497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:31, skipping insertion in model container [2024-09-13 05:08:31,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:31" (2/2) ... [2024-09-13 05:08:31,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@695157db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:31, skipping insertion in model container [2024-09-13 05:08:31,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:31" (2/2) ... [2024-09-13 05:08:31,694 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:31,694 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 05:08:31,694 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:08:31,694 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:08:31,694 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:08:31,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:31,884 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2024-09-13 05:08:31,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:31,912 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:31,952 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:08:31,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:31,978 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:31,979 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:31 WrapperNode [2024-09-13 05:08:31,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:31,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:31,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:31,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:31,994 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 13.09 05:08:31" (1/1) ... [2024-09-13 05:08:31,995 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 13.09 05:08:31" (1/1) ... [2024-09-13 05:08:32,002 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 13.09 05:08:31" (1/1) ... [2024-09-13 05:08:32,018 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 [2024-09-13 05:08:32,018 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 13.09 05:08:31" (1/1) ... [2024-09-13 05:08:32,018 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 13.09 05:08:31" (1/1) ... [2024-09-13 05:08:32,027 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 13.09 05:08:31" (1/1) ... [2024-09-13 05:08:32,030 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 13.09 05:08:31" (1/1) ... [2024-09-13 05:08:32,037 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 13.09 05:08:31" (1/1) ... [2024-09-13 05:08:32,038 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 13.09 05:08:31" (1/1) ... [2024-09-13 05:08:32,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:08:32,044 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:08:32,044 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:08:32,044 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:08:32,045 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 13.09 05:08:31" (1/1) ... [2024-09-13 05:08:32,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:32,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:08:32,081 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) [2024-09-13 05:08:32,087 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 [2024-09-13 05:08:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:08:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:08:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:08:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:08:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:08:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:08:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:08:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:08:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:08:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:08:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:08:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:08:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:08:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:08:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:08:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:08:32,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:08:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:08:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:08:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:08:32,212 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:08:32,214 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:08:32,242 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:32,270 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:32,456 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:32,485 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:08:32,514 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:08:32,518 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:08:32,519 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:32 BoogieIcfgContainer [2024-09-13 05:08:32,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:08:32,520 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:08:32,521 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:08:32,522 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:08:32,522 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:31" (1/4) ... [2024-09-13 05:08:32,523 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3e757a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:32, skipping insertion in model container [2024-09-13 05:08:32,524 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:31" (2/4) ... [2024-09-13 05:08:32,524 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3e757a63 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:32, skipping insertion in model container [2024-09-13 05:08:32,524 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 13.09 05:08:31" (3/4) ... [2024-09-13 05:08:32,524 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3e757a63 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:32, skipping insertion in model container [2024-09-13 05:08:32,525 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:32" (4/4) ... [2024-09-13 05:08:32,526 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c [2024-09-13 05:08:32,530 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:08:32,530 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:32,531 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:32,531 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:32,531 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:08:32,532 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:32,532 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:08:32,532 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:08:32,533 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:32,533 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:32,533 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:32,533 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:32,533 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:08:32,534 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:08:32,534 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:08:32,590 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:08:32,591 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:32,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:32,592 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:32,593 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:32,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:32,603 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:08:32,604 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:32,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:32,605 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:32,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:32,609 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:32,622 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:32,658 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:32,658 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:32,658 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:32,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:32,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:32,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:32,665 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:32,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:32,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:32,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:32,666 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:32,666 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:32,671 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:32,706 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:32,707 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:32,707 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:32,707 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:32,707 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:32,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:32,736 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:32,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:32,737 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:32,737 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:32,738 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:32,738 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:36,746 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:36,765 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:08:36,765 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:36,766 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:36,766 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:36,766 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:36,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:36,767 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:08:36,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:36,767 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:36,768 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:36,768 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:36,768 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:36,778 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:36,805 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:36,806 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:36,806 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:36,807 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:36,807 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:36,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:36,808 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:36,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:36,809 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:36,809 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:36,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:36,809 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:36,812 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:36,835 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:08:36,835 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:36,835 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:36,835 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:36,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:36,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:36,882 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:08:36,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:36,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:36,883 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:36,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:36,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:36,886 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:36,900 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:08:36,901 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:36,901 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:36,901 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:36,901 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:36,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:36,934 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:08:36,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:36,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:36,934 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:36,934 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:36,943 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:40,952 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:40,962 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:40,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:40,963 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:40,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:40,963 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:40,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:40,964 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:40,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:40,964 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:40,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:40,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:40,965 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:40,968 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:40,977 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:08:40,977 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:40,977 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:40,977 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:40,978 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:40,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:40,979 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:08:40,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:40,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:40,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:40,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:40,981 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:40,983 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:40,992 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:40,992 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:40,992 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:40,992 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:40,992 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:40,992 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:40,993 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:40,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:40,994 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:40,994 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:40,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:40,994 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:40,996 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:08:41,005 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:08:41,005 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:41,005 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:41,005 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:41,005 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:41,006 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:41,007 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:08:41,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:41,007 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:41,007 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:41,007 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:41,008 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:41,010 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:41,021 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:08:41,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:41,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:41,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:41,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:41,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:41,028 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:08:41,029 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:41,029 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:41,029 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:41,029 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:41,029 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:41,032 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:08:41,044 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:08:41,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:41,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:41,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:41,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:41,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:41,068 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:08:41,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:41,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:41,069 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:41,069 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:41,075 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:45,079 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:45,085 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:08:45,086 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3e757a63 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:08:45, skipping insertion in model container [2024-09-13 05:08:45,086 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:08:45,087 INFO L158 Benchmark]: Toolchain (without parser) took 13417.01ms. Allocated memory is still 146.8MB. Free memory was 111.7MB in the beginning and 85.1MB in the end (delta: 26.6MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB. [2024-09-13 05:08:45,088 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:45,088 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:45,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.83ms. Allocated memory is still 146.8MB. Free memory was 111.7MB in the beginning and 97.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:08:45,089 INFO L158 Benchmark]: Boogie Preprocessor took 63.05ms. Allocated memory is still 146.8MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:08:45,089 INFO L158 Benchmark]: RCFGBuilder took 475.28ms. Allocated memory is still 146.8MB. Free memory was 95.0MB in the beginning and 79.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:08:45,090 INFO L158 Benchmark]: Referee took 12566.11ms. Allocated memory is still 146.8MB. Free memory was 79.5MB in the beginning and 85.1MB in the end (delta: -5.6MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-09-13 05:08:45,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to 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 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 146.8MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.83ms. Allocated memory is still 146.8MB. Free memory was 111.7MB in the beginning and 97.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.05ms. Allocated memory is still 146.8MB. Free memory was 97.1MB in the beginning and 95.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.28ms. Allocated memory is still 146.8MB. Free memory was 95.0MB in the beginning and 79.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12566.11ms. Allocated memory is still 146.8MB. Free memory was 79.5MB in the beginning and 85.1MB in the end (delta: -5.6MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:08:45,117 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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:08:47,269 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:47,349 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:08:47,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:47,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:47,387 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:47,388 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:47,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:47,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:47,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:47,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:47,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:47,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:47,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:47,393 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:47,393 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:47,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:47,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:47,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:47,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:47,399 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:47,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:47,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:47,402 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:08:47,402 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:08:47,403 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:47,403 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:08:47,403 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:47,403 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:47,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:47,404 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:47,404 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:47,404 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:47,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:47,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:47,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:47,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:47,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:47,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:47,409 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:08:47,409 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:08:47,409 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:47,409 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:47,410 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:47,410 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:47,410 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:08:47,411 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:47,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:47,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:47,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:47,770 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:47,770 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:47,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-13 05:08:49,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:49,513 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:49,514 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-13 05:08:49,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ad96e8957/de2ab23d850b40ef9acfdb527bf211e7/FLAG76871b924 [2024-09-13 05:08:49,551 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ad96e8957/de2ab23d850b40ef9acfdb527bf211e7 [2024-09-13 05:08:49,555 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:49,556 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:49,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml [2024-09-13 05:08:49,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:49,616 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:49,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:49,619 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:49,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:49,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:49" (1/2) ... [2024-09-13 05:08:49,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457a5547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49, skipping insertion in model container [2024-09-13 05:08:49,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:49" (1/2) ... [2024-09-13 05:08:49,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c947b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49, skipping insertion in model container [2024-09-13 05:08:49,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:49" (2/2) ... [2024-09-13 05:08:49,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457a5547 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:49, skipping insertion in model container [2024-09-13 05:08:49,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:49" (2/2) ... [2024-09-13 05:08:49,643 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:49,646 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 05:08:49,646 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:08:49,646 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:08:49,646 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:08:49,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:49,830 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2024-09-13 05:08:49,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:49,868 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:49,907 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:08:49,921 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:49,953 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:49,953 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:49 WrapperNode [2024-09-13 05:08:49,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:49,954 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:49,954 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:49,954 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:49,976 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 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,976 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 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,987 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 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:50,015 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 [2024-09-13 05:08:50,015 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 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:50,015 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 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:50,033 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 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:50,042 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 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:50,043 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 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:50,045 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 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:50,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:08:50,048 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:08:50,049 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:08:50,049 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:08:50,049 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 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:50,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:50,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:08:50,075 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) [2024-09-13 05:08:50,079 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 [2024-09-13 05:08:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:08:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:08:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:08:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:08:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:08:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:08:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:08:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:08:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:08:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:08:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:08:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:08:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:08:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:08:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:08:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:08:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:08:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:08:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:08:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:08:50,194 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:08:50,197 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:08:50,224 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:50,263 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:50,647 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:50,669 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:08:50,709 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:08:50,710 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:08:50,710 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:50 BoogieIcfgContainer [2024-09-13 05:08:50,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:08:50,711 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:08:50,711 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:08:50,712 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:08:50,712 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:49" (1/4) ... [2024-09-13 05:08:50,714 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7da474d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:50, skipping insertion in model container [2024-09-13 05:08:50,714 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:49" (2/4) ... [2024-09-13 05:08:50,714 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7da474d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:50, skipping insertion in model container [2024-09-13 05:08:50,714 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 13.09 05:08:49" (3/4) ... [2024-09-13 05:08:50,714 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7da474d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:50, skipping insertion in model container [2024-09-13 05:08:50,714 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:50" (4/4) ... [2024-09-13 05:08:50,716 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c [2024-09-13 05:08:50,719 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:08:50,720 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:50,720 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:50,721 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:50,721 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:08:50,721 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:50,721 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:08:50,722 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:08:50,722 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:50,722 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:50,722 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:50,722 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:50,723 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:08:50,723 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:08:50,723 INFO L130 InvariantChecker]: Will check 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, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:08:50,785 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:08:50,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,787 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,787 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,788 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,815 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:08:50,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,817 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,817 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,817 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,822 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,839 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:50,871 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:50,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,874 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,877 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:50,879 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,879 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,880 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,880 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,880 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,885 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:50,906 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:50,909 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,911 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,911 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,912 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,926 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:50,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,927 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,981 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:51,011 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:08:51,011 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:51,011 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:51,011 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:51,012 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:51,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,015 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:08:51,015 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,015 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:51,015 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:51,016 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:51,016 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:51,018 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:51,034 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:51,035 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:51,035 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:51,036 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:51,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:51,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,039 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:51,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,039 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:51,039 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:51,040 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:51,040 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:51,041 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:51,058 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:08:51,059 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:51,059 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:51,059 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:51,059 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:51,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,097 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:08:51,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,097 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:51,097 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:51,097 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:51,098 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:51,099 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:51,120 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:08:51,120 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:51,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:51,121 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:51,121 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:51,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,132 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:08:51,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:51,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:51,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:51,137 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:51,163 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:51,181 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:51,181 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:51,181 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:51,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:51,182 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:51,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,182 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:51,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,183 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:51,183 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:51,183 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:51,183 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:51,186 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:51,197 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:08:51,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:51,198 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:51,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:51,198 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:51,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,200 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:08:51,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:51,200 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:51,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:51,204 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:51,205 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:51,212 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:51,213 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:51,213 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:51,213 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:51,213 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:51,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,214 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:51,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,215 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:51,215 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:51,215 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:51,215 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:51,216 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:08:51,225 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:08:51,225 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:51,225 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:51,225 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:51,226 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:51,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,227 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:08:51,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,229 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:51,229 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:51,229 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:51,229 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:51,230 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:51,240 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:08:51,240 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:51,240 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:51,241 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:51,241 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:51,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,246 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:08:51,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:51,246 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:51,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:51,247 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:51,247 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:55,259 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:55,286 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:08:55,286 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:55,286 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:55,287 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:55,287 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:55,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:55,321 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:08:55,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:55,322 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:55,322 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:55,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:55,329 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:59,375 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:59,391 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:08:59,392 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7da474d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:08:59, skipping insertion in model container [2024-09-13 05:08:59,392 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:08:59,393 INFO L158 Benchmark]: Toolchain (without parser) took 9776.89ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 49.7MB in the beginning and 59.4MB in the end (delta: -9.7MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-09-13 05:08:59,394 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 56.6MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:59,394 INFO L158 Benchmark]: Witness Parser took 1.34ms. Allocated memory is still 75.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:59,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.29ms. Allocated memory is still 75.5MB. Free memory was 49.5MB in the beginning and 54.3MB in the end (delta: -4.8MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2024-09-13 05:08:59,395 INFO L158 Benchmark]: Boogie Preprocessor took 93.59ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:08:59,395 INFO L158 Benchmark]: RCFGBuilder took 662.34ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 35.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:08:59,396 INFO L158 Benchmark]: Referee took 8680.77ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 35.4MB in the beginning and 59.4MB in the end (delta: -24.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-13 05:08:59,398 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 entry of procedure main to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __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 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 56.6MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.34ms. Allocated memory is still 75.5MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.29ms. Allocated memory is still 75.5MB. Free memory was 49.5MB in the beginning and 54.3MB in the end (delta: -4.8MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.59ms. Allocated memory is still 75.5MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.34ms. Allocated memory is still 75.5MB. Free memory was 51.9MB in the beginning and 35.4MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8680.77ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 35.4MB in the beginning and 59.4MB in the end (delta: -24.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:08:59,440 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