./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:13,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:13,586 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:48:13,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:13,589 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:13,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:13,605 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:13,605 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:13,605 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:13,606 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:13,606 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:13,606 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:13,607 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:13,607 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:13,607 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:13,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:13,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:13,608 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:13,608 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:48:13,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:13,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:13,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:13,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:13,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:13,610 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:13,610 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:13,610 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:13,610 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:13,610 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:13,611 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:13,611 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:13,611 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:13,611 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:13,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:13,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:13,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:13,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:13,612 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:48:13,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:48:13,613 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:13,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:13,613 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:13,613 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:13,614 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:13,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:13,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:13,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:13,821 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:13,822 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:13,823 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-25 11:48:15,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:15,212 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:15,213 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-25 11:48:15,219 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4f709ccef/bb6a32c42b334a98aab20cb0c48031c1/FLAGc7127a6da [2024-09-25 11:48:15,231 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4f709ccef/bb6a32c42b334a98aab20cb0c48031c1 [2024-09-25 11:48:15,233 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:15,234 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:15,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-25 11:48:15,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:15,282 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:15,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:15,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:15,288 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:15,289 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:15" (1/2) ... [2024-09-25 11:48:15,291 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a5917a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,291 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:15" (1/2) ... [2024-09-25 11:48:15,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79e89041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:15" (2/2) ... [2024-09-25 11:48:15,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a5917a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15, skipping insertion in model container [2024-09-25 11:48:15,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:15" (2/2) ... [2024-09-25 11:48:15,299 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:15,300 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 11:48:15,301 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:48:15,301 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:15,301 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:15,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:15,434 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-25 11:48:15,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:15,453 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:15,505 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:15,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:15,525 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:15,525 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15 WrapperNode [2024-09-25 11:48:15,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:15,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:15,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:15,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:15,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,554 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,568 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:48:15,568 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,568 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,573 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,582 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,584 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:15,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:15,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:15,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:15,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (1/1) ... [2024-09-25 11:48:15,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:15,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:15,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:48:15,632 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:48:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:15,672 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:15,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:48:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:48:15,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:48:15,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:15,724 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:15,726 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:15,741 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:15,760 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:15,973 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:15,983 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:16,003 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:16,003 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:16,004 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:16 BoogieIcfgContainer [2024-09-25 11:48:16,004 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:16,004 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:16,004 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:16,005 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:16,005 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:15" (1/4) ... [2024-09-25 11:48:16,006 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54fc27d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:16, skipping insertion in model container [2024-09-25 11:48:16,006 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:15" (2/4) ... [2024-09-25 11:48:16,006 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54fc27d5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:16, skipping insertion in model container [2024-09-25 11:48:16,006 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:15" (3/4) ... [2024-09-25 11:48:16,007 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54fc27d5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:16, skipping insertion in model container [2024-09-25 11:48:16,007 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:16" (4/4) ... [2024-09-25 11:48:16,008 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-25 11:48:16,011 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:16,011 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:16,012 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:16,012 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:16,012 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:48:16,012 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:16,012 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:16,013 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:16,013 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:16,013 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:16,013 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:16,013 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:16,013 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:16,013 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:16,014 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-25 11:48:16,049 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:16,050 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:16,050 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:16,050 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:16,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:16,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,060 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:16,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:16,061 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:16,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:16,064 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:16,077 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:16,091 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:16,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:16,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:16,092 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:16,092 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:16,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,094 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:16,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:16,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:16,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:16,095 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:16,096 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:16,114 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:16,115 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:16,115 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:16,115 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:16,115 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:16,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,132 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:16,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:16,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:16,134 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:16,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:16,134 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,140 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:20,154 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:20,154 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,154 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,155 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,155 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,156 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:20,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,156 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,156 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,156 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,158 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:20,176 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:20,178 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,179 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,180 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:20,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,180 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,182 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,183 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:20,196 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:20,200 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,200 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,200 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,200 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,230 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:20,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,230 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,230 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,230 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,231 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:20,232 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:20,242 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:20,242 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:20,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:20,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:20,243 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:20,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,258 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:20,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:20,258 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:20,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:20,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:20,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,304 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:24,316 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,317 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,317 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,317 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,317 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,317 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,318 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,318 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,318 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,318 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,320 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,327 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:24,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,327 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,327 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,327 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,329 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:24,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,329 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,330 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,330 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,330 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,331 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:24,338 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:24,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,338 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,338 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,339 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:24,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,339 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,339 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,340 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,340 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:24,347 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:24,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,347 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,348 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:24,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,348 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,348 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,348 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,349 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,349 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:24,354 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:24,354 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,355 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,355 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,355 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,357 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:24,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,358 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,358 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,358 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,358 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:24,359 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:24,365 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:24,365 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:24,366 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:24,366 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:24,366 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:24,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,380 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:24,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:24,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:24,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:24,381 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:24,385 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:28,389 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:28,398 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:28,399 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@54fc27d5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:28, skipping insertion in model container [2024-09-25 11:48:28,399 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:28,400 INFO L158 Benchmark]: Toolchain (without parser) took 13117.11ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 93.8MB in the beginning and 120.5MB in the end (delta: -26.7MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,400 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:28,401 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:28,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.54ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 134.1MB in the end (delta: -40.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,401 INFO L158 Benchmark]: Boogie Preprocessor took 62.32ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 134.1MB in the beginning and 211.7MB in the end (delta: -77.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,402 INFO L158 Benchmark]: RCFGBuilder took 414.94ms. Allocated memory is still 243.3MB. Free memory was 211.7MB in the beginning and 192.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,402 INFO L158 Benchmark]: Referee took 12394.54ms. Allocated memory is still 243.3MB. Free memory was 192.8MB in the beginning and 120.5MB in the end (delta: 72.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-25 11:48:28,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to 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. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 120.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 95.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.54ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 134.1MB in the end (delta: -40.5MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.32ms. Allocated memory was 167.8MB in the beginning and 243.3MB in the end (delta: 75.5MB). Free memory was 134.1MB in the beginning and 211.7MB in the end (delta: -77.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * RCFGBuilder took 414.94ms. Allocated memory is still 243.3MB. Free memory was 211.7MB in the beginning and 192.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12394.54ms. Allocated memory is still 243.3MB. Free memory was 192.8MB in the beginning and 120.5MB in the end (delta: 72.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:28,424 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/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:30,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:30,726 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:30,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:30,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:30,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:30,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:30,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:30,764 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:30,765 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:30,766 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:30,766 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:30,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:30,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:30,768 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:30,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:30,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:30,769 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:30,769 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:30,769 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:30,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:30,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:30,772 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:30,773 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:30,773 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:30,773 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:30,773 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:30,773 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:30,774 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:30,774 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:30,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:30,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:30,775 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:30,775 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:30,776 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:30,776 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:30,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:30,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:30,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:30,777 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:30,777 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:30,778 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:30,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:30,778 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:30,778 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:30,778 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:30,779 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:31,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:31,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:31,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:31,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:31,056 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:31,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-25 11:48:32,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:32,582 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:32,582 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-25 11:48:32,588 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1b88d9726/0b9783a48e954e3d89cd53d334e77963/FLAGfe026f564 [2024-09-25 11:48:32,999 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1b88d9726/0b9783a48e954e3d89cd53d334e77963 [2024-09-25 11:48:33,001 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:33,002 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:33,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-25 11:48:33,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:33,052 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:33,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:33,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:33,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:33,058 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:33" (1/2) ... [2024-09-25 11:48:33,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4d22d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:33" (1/2) ... [2024-09-25 11:48:33,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b86a05a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:33" (2/2) ... [2024-09-25 11:48:33,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f4d22d2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33, skipping insertion in model container [2024-09-25 11:48:33,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:33" (2/2) ... [2024-09-25 11:48:33,071 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:33,071 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-25 11:48:33,071 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:48:33,072 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:33,072 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:33,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:33,236 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-25 11:48:33,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:33,263 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:48:33,294 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:33,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:33,322 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:33,323 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33 WrapperNode [2024-09-25 11:48:33,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:33,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:33,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:33,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:33,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,341 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,353 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:48:33,356 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,371 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:33,373 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:33,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:33,374 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:33,375 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (1/1) ... [2024-09-25 11:48:33,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:33,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:33,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-25 11:48:33,402 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-25 11:48:33,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:33,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:33,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:33,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:33,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:33,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:33,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:48:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:33,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:33,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:33,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:33,500 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:33,502 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:33,520 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:33,549 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:34,046 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:34,061 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:34,085 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:34,085 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:34,085 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:34 BoogieIcfgContainer [2024-09-25 11:48:34,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:34,086 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:34,086 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:34,087 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:34,087 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:33" (1/4) ... [2024-09-25 11:48:34,087 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@525a06f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:34, skipping insertion in model container [2024-09-25 11:48:34,088 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:33" (2/4) ... [2024-09-25 11:48:34,088 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@525a06f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:34, skipping insertion in model container [2024-09-25 11:48:34,088 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:33" (3/4) ... [2024-09-25 11:48:34,088 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@525a06f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:34, skipping insertion in model container [2024-09-25 11:48:34,088 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:34" (4/4) ... [2024-09-25 11:48:34,090 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-25 11:48:34,093 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:34,093 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:34,094 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:34,094 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:34,094 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:48:34,094 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:34,094 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:34,094 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:34,094 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:34,095 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:34,095 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:34,095 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:34,095 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:48:34,095 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 11:48:34,095 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location [2024-09-25 11:48:34,134 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:48:34,135 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:34,135 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:34,135 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:34,136 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:34,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:34,148 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:48:34,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:34,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:34,150 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:34,150 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:34,153 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:34,166 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:34,183 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:34,183 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:34,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:34,184 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:34,184 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:34,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:34,186 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:34,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:34,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:34,187 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:34,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:34,187 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:34,189 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:34,206 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:34,206 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:34,206 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:34,206 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:34,206 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:34,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:34,214 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:34,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:34,215 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:34,215 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:34,215 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:34,215 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:38,254 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:38,280 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:38,281 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:38,281 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:38,281 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:38,281 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:38,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,282 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:38,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:38,283 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:38,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:38,283 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:38,284 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:38,297 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:38,297 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:38,297 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:38,297 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:38,298 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:38,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,299 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:38,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,299 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:38,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:38,300 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:38,300 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:38,301 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:38,313 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:38,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:38,314 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:38,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:38,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:38,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,341 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:38,341 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,342 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:38,342 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:38,342 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:38,343 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:38,344 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:38,358 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:38,359 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:38,359 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:38,359 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:38,359 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:38,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,369 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:38,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:38,369 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:38,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:38,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:38,372 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,405 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:42,430 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:42,431 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,431 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,431 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,431 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,432 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:42,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,432 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,432 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,433 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,434 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:42,442 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:42,443 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,443 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,443 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,443 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,445 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:42,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,445 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,445 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,446 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,446 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,447 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:42,470 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:42,470 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,470 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,470 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,470 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,471 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:42,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,472 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,472 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,472 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,472 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,473 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:42,479 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:48:42,479 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,479 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,479 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,480 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,481 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:48:42,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,481 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,481 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,481 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:42,483 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:42,491 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:48:42,491 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:42,491 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:42,491 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:42,491 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:42,491 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,494 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:48:42,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:42,495 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:42,495 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:42,495 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:42,495 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:46,518 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:46,541 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 11:48:46,541 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:46,541 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:46,541 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:46,541 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:46,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:46,570 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 11:48:46,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:46,571 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:46,571 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:46,571 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:46,574 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:50,664 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:50,703 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:50,704 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@525a06f0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:50, skipping insertion in model container [2024-09-25 11:48:50,704 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:50,705 INFO L158 Benchmark]: Toolchain (without parser) took 17653.09ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 42.9MB in the beginning and 121.8MB in the end (delta: -78.9MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:50,706 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:50,706 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:50,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.94ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 52.2MB in the end (delta: -9.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-09-25 11:48:50,707 INFO L158 Benchmark]: Boogie Preprocessor took 48.17ms. Allocated memory is still 83.9MB. Free memory was 52.2MB in the beginning and 50.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:50,707 INFO L158 Benchmark]: RCFGBuilder took 712.51ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 50.0MB in the beginning and 142.3MB in the end (delta: -92.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:50,708 INFO L158 Benchmark]: Referee took 16617.77ms. Allocated memory is still 167.8MB. Free memory was 142.3MB in the beginning and 121.8MB in the end (delta: 20.4MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:50,710 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 37. 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 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 55.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.94ms. Allocated memory is still 83.9MB. Free memory was 42.7MB in the beginning and 52.2MB in the end (delta: -9.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.17ms. Allocated memory is still 83.9MB. Free memory was 52.2MB in the beginning and 50.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 712.51ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 50.0MB in the beginning and 142.3MB in the end (delta: -92.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 16617.77ms. Allocated memory is still 167.8MB. Free memory was 142.3MB in the beginning and 121.8MB in the end (delta: 20.4MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:50,758 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