./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.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-ca4ee3d-m [2024-09-20 20:11:22,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:22,361 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:22,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:22,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:22,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:22,403 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:22,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:22,404 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:22,404 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:22,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:22,406 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:22,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:22,406 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:22,407 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:22,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:22,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:22,409 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:22,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:22,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:22,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:22,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:22,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:22,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:22,411 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:22,411 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:22,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:22,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:22,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:22,412 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:22,412 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:22,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:22,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:22,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:22,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:22,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:22,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:22,413 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:22,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:22,413 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:22,413 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:22,415 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:22,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:22,415 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:22,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:22,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:22,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:22,610 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:22,611 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:22,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml [2024-09-20 20:11:22,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:22,653 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:22,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-20 20:11:23,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:24,028 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:24,028 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-20 20:11:24,033 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/26dd1cce4/54d09510c01e43b3bd5d0620e2e29765/FLAGe285e0ddc [2024-09-20 20:11:24,452 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/26dd1cce4/54d09510c01e43b3bd5d0620e2e29765 [2024-09-20 20:11:24,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:24,454 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:24,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:24,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:24,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:24,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:22" (1/2) ... [2024-09-20 20:11:24,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394be652 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:24, skipping insertion in model container [2024-09-20 20:11:24,462 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:22" (1/2) ... [2024-09-20 20:11:24,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@dc0b1bc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:24, skipping insertion in model container [2024-09-20 20:11:24,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:24" (2/2) ... [2024-09-20 20:11:24,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@394be652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24, skipping insertion in model container [2024-09-20 20:11:24,464 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:24" (2/2) ... [2024-09-20 20:11:24,470 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:24,470 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 20:11:24,470 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:24,470 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:11:24,471 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:11:24,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:24,624 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_unwindbound1.c[537,550] [2024-09-20 20:11:24,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:24,645 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:24,680 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_unwindbound1.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 20:11:24,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:24,699 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:24,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24 WrapperNode [2024-09-20 20:11:24,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:24,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:24,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:24,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:24,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (1/1) ... [2024-09-20 20:11:24,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (1/1) ... [2024-09-20 20:11:24,722 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (1/1) ... [2024-09-20 20:11:24,734 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:11:24,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (1/1) ... [2024-09-20 20:11:24,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (1/1) ... [2024-09-20 20:11:24,738 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (1/1) ... [2024-09-20 20:11:24,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (1/1) ... [2024-09-20 20:11:24,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (1/1) ... [2024-09-20 20:11:24,748 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (1/1) ... [2024-09-20 20:11:24,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:24,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:24,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:24,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:24,754 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (1/1) ... [2024-09-20 20:11:24,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:24,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:24,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:11:24,789 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:11:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:24,823 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:24,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:24,824 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:24,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:24,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:24,881 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:24,882 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:24,899 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:24,918 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:25,071 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:25,092 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:25,121 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:25,121 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:25,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:25 BoogieIcfgContainer [2024-09-20 20:11:25,122 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:25,122 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:25,122 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:25,123 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:25,123 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:22" (1/4) ... [2024-09-20 20:11:25,124 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fcd976e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:25, skipping insertion in model container [2024-09-20 20:11:25,124 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:24" (2/4) ... [2024-09-20 20:11:25,124 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fcd976e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:25, skipping insertion in model container [2024-09-20 20:11:25,124 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:24" (3/4) ... [2024-09-20 20:11:25,124 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fcd976e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:25, skipping insertion in model container [2024-09-20 20:11:25,124 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:25" (4/4) ... [2024-09-20 20:11:25,125 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound1.c [2024-09-20 20:11:25,128 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:25,129 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:25,129 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:25,129 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:25,129 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:11:25,129 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:25,129 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:11:25,129 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:11:25,130 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:25,130 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:25,130 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:25,130 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:25,130 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:25,130 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:11:25,130 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-20 20:11:25,168 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:25,169 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:25,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:25,170 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:25,170 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:25,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,178 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:25,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,179 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:25,179 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:25,180 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:25,183 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:25,201 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:25,231 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:25,232 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:25,232 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:25,233 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:25,233 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:25,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,235 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:25,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,236 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:25,236 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:25,237 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:25,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:25,240 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:25,264 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:25,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:25,265 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:25,265 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:25,266 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:25,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,279 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:25,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:25,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:25,280 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:25,280 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:25,280 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,283 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:29,304 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:11:29,304 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,305 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,305 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:11:29,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,306 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,306 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,306 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,309 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:29,319 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:29,319 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,319 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,319 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,319 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,320 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:29,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,321 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,321 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,321 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,321 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,322 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:29,345 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:11:29,345 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,346 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,346 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,346 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,375 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:11:29,376 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,376 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,376 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,377 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,380 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:29,389 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:29,389 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,389 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,389 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,389 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,404 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:29,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,405 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,405 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,405 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,408 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,413 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:33,424 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:33,424 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,424 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,424 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,424 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,425 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:33,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,425 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,425 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,425 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,425 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,428 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:33,436 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:33,436 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,436 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,437 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,437 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,439 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:33,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,439 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,441 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:33,448 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:33,449 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,449 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,449 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,450 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,451 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:33,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,451 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,451 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,451 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,451 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,452 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:33,459 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:33,459 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,459 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,459 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,459 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,460 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:33,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,461 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,461 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,461 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,461 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,462 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:33,471 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:33,472 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,472 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,472 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,476 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:33,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,476 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,476 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,479 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:33,485 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:33,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,485 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,486 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,488 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,508 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:33,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,509 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,509 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,509 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,513 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:37,518 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:37,522 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:37,523 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5fcd976e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:37, skipping insertion in model container [2024-09-20 20:11:37,523 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:37,526 INFO L158 Benchmark]: Toolchain (without parser) took 13071.72ms. Allocated memory is still 174.1MB. Free memory was 118.7MB in the beginning and 94.2MB in the end (delta: 24.5MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-09-20 20:11:37,526 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:37,526 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 174.1MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:37,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.63ms. Allocated memory is still 174.1MB. Free memory was 118.4MB in the beginning and 104.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:37,528 INFO L158 Benchmark]: Boogie Preprocessor took 49.16ms. Allocated memory is still 174.1MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:37,528 INFO L158 Benchmark]: RCFGBuilder took 371.50ms. Allocated memory is still 174.1MB. Free memory was 102.5MB in the beginning and 84.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:37,529 INFO L158 Benchmark]: Referee took 12400.45ms. Allocated memory is still 174.1MB. Free memory was 84.7MB in the beginning and 94.2MB in the end (delta: -9.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:37,530 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 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. 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. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 174.1MB. Free memory is still 140.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.63ms. Allocated memory is still 174.1MB. Free memory was 118.4MB in the beginning and 104.6MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.16ms. Allocated memory is still 174.1MB. Free memory was 104.6MB in the beginning and 102.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 371.50ms. Allocated memory is still 174.1MB. Free memory was 102.5MB in the beginning and 84.7MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 12400.45ms. Allocated memory is still 174.1MB. Free memory was 84.7MB in the beginning and 94.2MB in the end (delta: -9.5MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:37,552 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.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-ca4ee3d-m [2024-09-20 20:11:39,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:39,327 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:39,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:39,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:39,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:39,354 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:39,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:39,355 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:39,355 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:39,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:39,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:39,356 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:39,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:39,357 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:39,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:39,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:39,357 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:39,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:39,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:39,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:39,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:39,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:39,362 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:39,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:39,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:39,366 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:39,366 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:39,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:39,366 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:39,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:39,367 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:39,367 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:39,367 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:39,367 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:39,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:39,367 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:39,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:39,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:39,368 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:39,368 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:39,368 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:39,369 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:39,369 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:39,369 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:39,370 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:39,370 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:39,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:39,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:39,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:39,605 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:39,606 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:39,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-20 20:11:40,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:41,039 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:41,040 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound1.c [2024-09-20 20:11:41,047 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/99e5e7ae2/8ef0b9e60c0949d18926e7f105fb237c/FLAG57acc0439 [2024-09-20 20:11:41,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/99e5e7ae2/8ef0b9e60c0949d18926e7f105fb237c [2024-09-20 20:11:41,436 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:41,437 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:41,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound1.yml/witness-2.1.yml [2024-09-20 20:11:41,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:41,481 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:41,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:41,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:41,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:41,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:41" (1/2) ... [2024-09-20 20:11:41,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8ae31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:41" (1/2) ... [2024-09-20 20:11:41,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b0286c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:41" (2/2) ... [2024-09-20 20:11:41,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8ae31a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:41" (2/2) ... [2024-09-20 20:11:41,498 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:41,500 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 20:11:41,500 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:11:41,501 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:11:41,501 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:41,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:41,638 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_unwindbound1.c[537,550] [2024-09-20 20:11:41,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:41,668 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:41,699 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_unwindbound1.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 20:11:41,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:41,729 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:41,730 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41 WrapperNode [2024-09-20 20:11:41,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:41,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:41,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:41,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:41,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,749 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,762 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:11:41,762 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,762 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,776 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:41,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:41,784 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:41,784 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:41,785 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (1/1) ... [2024-09-20 20:11:41,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:41,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:41,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:11:41,815 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:11:41,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:41,863 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:41,863 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:41,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:41,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:41,928 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:41,930 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:41,945 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:41,963 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:42,313 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:42,324 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:42,346 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:42,346 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:42,346 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:42 BoogieIcfgContainer [2024-09-20 20:11:42,348 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:42,348 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:42,348 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:42,349 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:42,350 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:41" (1/4) ... [2024-09-20 20:11:42,350 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31017917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,350 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:41" (2/4) ... [2024-09-20 20:11:42,351 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31017917 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,351 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:41" (3/4) ... [2024-09-20 20:11:42,351 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31017917 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:42, skipping insertion in model container [2024-09-20 20:11:42,352 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:42" (4/4) ... [2024-09-20 20:11:42,352 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound1.c [2024-09-20 20:11:42,355 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:42,356 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:42,356 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:42,356 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:42,357 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:11:42,357 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:42,357 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:11:42,357 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:11:42,357 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:42,357 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:42,357 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:42,357 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:42,357 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:42,357 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:11:42,358 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-20 20:11:42,396 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:42,396 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,410 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:42,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,411 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,411 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,411 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,414 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,425 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:42,446 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:42,447 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,447 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,447 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,447 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,448 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,450 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:42,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,451 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,451 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,451 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,451 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:42,456 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:42,485 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:42,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:42,485 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:42,485 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:42,485 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:42,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,497 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:42,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:42,498 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:42,498 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:42,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:42,499 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,537 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:46,568 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:11:46,568 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,568 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,568 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,568 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,569 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:11:46,569 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,570 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,570 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,570 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,570 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,571 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:46,580 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:46,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,581 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,581 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,581 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,582 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:46,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,582 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,582 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,582 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,584 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:46,593 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:11:46,593 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,593 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,593 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,593 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,621 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:11:46,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,623 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,623 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,625 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:46,629 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:46,636 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:46,636 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:46,637 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:46,637 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:46,637 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:46,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,645 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:46,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:46,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:46,645 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:46,645 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:46,647 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:50,679 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:50,695 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:50,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:50,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:50,696 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:50,696 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:50,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,697 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:50,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,697 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:50,697 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:50,697 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:50,698 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:50,699 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:50,705 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:50,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:50,706 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:50,706 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:50,706 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:50,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,707 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:50,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,707 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:50,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:50,708 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:50,708 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:50,709 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:50,714 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:50,714 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:50,714 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:50,714 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:50,714 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:50,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,715 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:50,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,715 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:50,716 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:50,716 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:50,716 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:50,717 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:50,722 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:50,722 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:50,722 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:50,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:50,723 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:50,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,724 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:50,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,724 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:50,724 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:50,724 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:50,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:50,725 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:50,731 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:50,731 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:50,731 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:50,731 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:50,732 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:50,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,735 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:50,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,735 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:50,735 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:50,735 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:50,735 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:50,751 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:50,760 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:50,760 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:50,760 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:50,760 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:50,760 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:50,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,772 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:50,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:50,773 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:50,773 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:50,773 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:50,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:54,848 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:54,870 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:54,871 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31017917 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:54, skipping insertion in model container [2024-09-20 20:11:54,871 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:54,872 INFO L158 Benchmark]: Toolchain (without parser) took 13390.27ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 30.4MB in the end (delta: 37.6MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:54,872 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 35.3MB in the beginning and 35.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:54,873 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:54,873 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.47ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 53.6MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:54,873 INFO L158 Benchmark]: Boogie Preprocessor took 52.27ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 51.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 20:11:54,874 INFO L158 Benchmark]: RCFGBuilder took 563.91ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 60.3MB in the end (delta: -9.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-09-20 20:11:54,874 INFO L158 Benchmark]: Referee took 12522.75ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 30.4MB in the end (delta: 29.9MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:54,876 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 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 loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure 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 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 35.3MB in the beginning and 35.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 96.5MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.47ms. Allocated memory is still 96.5MB. Free memory was 68.0MB in the beginning and 53.6MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.27ms. Allocated memory is still 96.5MB. Free memory was 53.6MB in the beginning and 51.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 563.91ms. Allocated memory is still 96.5MB. Free memory was 51.2MB in the beginning and 60.3MB in the end (delta: -9.1MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Referee took 12522.75ms. Allocated memory is still 96.5MB. Free memory was 60.3MB in the beginning and 30.4MB in the end (delta: 29.9MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:54,917 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