This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:56,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:56,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:56,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:56,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:56,532 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:56,533 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:56,533 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:56,533 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:56,534 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:56,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:56,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:56,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:56,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:56,546 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:56,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:56,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:56,547 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:56,547 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:56,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:56,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:56,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:56,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:56,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:56,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:56,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:56,550 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:56,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:56,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:56,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:56,551 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:56,551 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:56,551 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:56,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:56,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:56,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:56,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:56,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:56,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:56,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:56,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:56,557 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:56,558 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:56,558 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:56,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:56,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:56,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:56,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:56,814 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:56,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-13 10:09:58,136 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:58,313 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:58,314 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-13 10:09:58,321 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/45d2e3ed9/fdc05320e3f84d9c8f065f28d9245bb7/FLAGe4d34fcd5 [2024-09-13 10:09:58,696 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/45d2e3ed9/fdc05320e3f84d9c8f065f28d9245bb7 [2024-09-13 10:09:58,698 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:58,700 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:58,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-13 10:09:58,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:58,745 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:58,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:58,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:58,750 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:58,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:58" (1/2) ... [2024-09-13 10:09:58,753 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27451216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:58, skipping insertion in model container [2024-09-13 10:09:58,753 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:58" (1/2) ... [2024-09-13 10:09:58,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4abd7f40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:58, skipping insertion in model container [2024-09-13 10:09:58,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:58" (2/2) ... [2024-09-13 10:09:58,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27451216 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58, skipping insertion in model container [2024-09-13 10:09:58,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:58" (2/2) ... [2024-09-13 10:09:58,762 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:58,763 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 10:09:58,764 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:58,764 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:09:58,764 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:58,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:58,892 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-13 10:09:58,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:58,921 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:58,962 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:09:58,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:58,988 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:58,989 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58 WrapperNode [2024-09-13 10:09:58,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:58,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:58,990 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:58,990 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:59,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (1/1) ... [2024-09-13 10:09:59,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (1/1) ... [2024-09-13 10:09:59,010 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (1/1) ... [2024-09-13 10:09:59,020 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:09:59,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (1/1) ... [2024-09-13 10:09:59,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (1/1) ... [2024-09-13 10:09:59,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (1/1) ... [2024-09-13 10:09:59,034 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (1/1) ... [2024-09-13 10:09:59,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (1/1) ... [2024-09-13 10:09:59,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (1/1) ... [2024-09-13 10:09:59,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:59,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:59,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:59,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:59,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (1/1) ... [2024-09-13 10:09:59,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:59,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:59,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:09:59,071 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:09:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:59,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:59,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:59,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:59,158 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:59,160 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:59,178 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:59,197 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:59,321 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:59,335 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:59,359 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:59,360 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:09:59,360 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:59 BoogieIcfgContainer [2024-09-13 10:09:59,360 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:59,364 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:59,364 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:59,365 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:59,365 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:58" (1/4) ... [2024-09-13 10:09:59,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78f61f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:59, skipping insertion in model container [2024-09-13 10:09:59,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:58" (2/4) ... [2024-09-13 10:09:59,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78f61f3d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:59, skipping insertion in model container [2024-09-13 10:09:59,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:58" (3/4) ... [2024-09-13 10:09:59,366 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78f61f3d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:59, skipping insertion in model container [2024-09-13 10:09:59,366 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:59" (4/4) ... [2024-09-13 10:09:59,367 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-13 10:09:59,375 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:09:59,376 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:59,376 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:59,376 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:59,377 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:09:59,377 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:59,377 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:09:59,377 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:59,378 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:59,378 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:59,378 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:59,378 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:59,379 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:59,379 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:59,379 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-13 10:09:59,423 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:59,424 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,424 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,425 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,426 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,442 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:59,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,443 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,443 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,444 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,449 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:59,465 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:59,494 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:59,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,494 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,494 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,496 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:59,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,497 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,497 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,497 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:59,499 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:59,517 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:59,517 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,518 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,518 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,518 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,531 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:59,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,531 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,531 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,531 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,532 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:03,538 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:03,561 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:03,561 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:03,561 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:03,561 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:03,561 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:03,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,563 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:03,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:03,563 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:03,563 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:03,563 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:03,567 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:03,587 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:03,588 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:03,588 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:03,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:03,588 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:03,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,593 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:03,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,594 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:03,594 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:03,594 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:03,594 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:03,595 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:03,614 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:03,617 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:03,617 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:03,617 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:03,617 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:03,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,652 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:03,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:03,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:03,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:03,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:03,656 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:03,666 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:03,667 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:03,667 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:03,667 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:03,667 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:03,667 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,686 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:03,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,687 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:03,687 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:03,687 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:03,692 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,699 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:07,712 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:07,712 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,713 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,713 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:07,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,714 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,714 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,714 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,715 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:07,723 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:07,724 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,724 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,724 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,726 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:07,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,726 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,727 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,727 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,727 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,729 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:07,737 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:07,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,737 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,738 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,739 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:07,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,739 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,741 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:07,761 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:07,761 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,761 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,761 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,762 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,763 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:07,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,763 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,764 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,764 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,766 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:07,773 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:07,774 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,774 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,774 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,774 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,777 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:07,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,777 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,777 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,777 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,778 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,782 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:07,790 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:07,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,791 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,791 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,810 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:07,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,811 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,811 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,815 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:11,822 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:11,833 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:11,833 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78f61f3d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:11, skipping insertion in model container [2024-09-13 10:10:11,833 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:11,839 INFO L158 Benchmark]: Toolchain (without parser) took 13088.79ms. Allocated memory is still 234.9MB. Free memory was 204.1MB in the beginning and 185.8MB in the end (delta: 18.2MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:11,840 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 134.2MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:11,840 INFO L158 Benchmark]: Witness Parser took 0.87ms. Allocated memory is still 234.9MB. Free memory is still 206.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:11,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.00ms. Allocated memory is still 234.9MB. Free memory was 203.9MB in the beginning and 194.9MB in the end (delta: 9.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:11,842 INFO L158 Benchmark]: Boogie Preprocessor took 47.60ms. Allocated memory is still 234.9MB. Free memory was 194.9MB in the beginning and 192.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:11,843 INFO L158 Benchmark]: RCFGBuilder took 322.79ms. Allocated memory is still 234.9MB. Free memory was 192.8MB in the beginning and 177.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:11,845 INFO L158 Benchmark]: Referee took 12469.01ms. Allocated memory is still 234.9MB. Free memory was 177.0MB in the beginning and 185.8MB in the end (delta: -8.8MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:11,847 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 main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure 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 26. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 134.2MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.87ms. Allocated memory is still 234.9MB. Free memory is still 206.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.00ms. Allocated memory is still 234.9MB. Free memory was 203.9MB in the beginning and 194.9MB in the end (delta: 9.0MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.60ms. Allocated memory is still 234.9MB. Free memory was 194.9MB in the beginning and 192.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.79ms. Allocated memory is still 234.9MB. Free memory was 192.8MB in the beginning and 177.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12469.01ms. Allocated memory is still 234.9MB. Free memory was 177.0MB in the beginning and 185.8MB in the end (delta: -8.8MB). Peak memory consumption was 57.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:11,868 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... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:13,757 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:13,822 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:13,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:13,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:13,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:13,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:13,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:13,856 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:13,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:13,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:13,859 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:13,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:13,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:13,861 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:13,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:13,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:13,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:13,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:13,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:13,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:13,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:13,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:13,866 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:13,866 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:13,866 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:13,866 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:13,867 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:13,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:13,867 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:13,867 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:13,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:13,868 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:13,868 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:13,868 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:13,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:13,868 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:13,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:13,869 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:13,869 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:13,869 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:13,869 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:13,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:13,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:13,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:13,870 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:13,870 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:14,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:14,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:14,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:14,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:14,168 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:14,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-13 10:10:15,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:15,636 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:15,637 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-13 10:10:15,645 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8261db1a2/6587235e6e4a489981311c9461e4317a/FLAG0aa2f9acb [2024-09-13 10:10:15,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8261db1a2/6587235e6e4a489981311c9461e4317a [2024-09-13 10:10:15,662 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:15,663 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:15,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-13 10:10:15,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:15,707 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:15,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:15,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:15,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:15,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:15" (1/2) ... [2024-09-13 10:10:15,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16df9c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:15, skipping insertion in model container [2024-09-13 10:10:15,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:15" (1/2) ... [2024-09-13 10:10:15,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7546587a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:15, skipping insertion in model container [2024-09-13 10:10:15,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:15" (2/2) ... [2024-09-13 10:10:15,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16df9c15 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15, skipping insertion in model container [2024-09-13 10:10:15,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:15" (2/2) ... [2024-09-13 10:10:15,726 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:15,727 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 10:10:15,727 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:10:15,727 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:15,727 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:10:15,741 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:15,863 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] [2024-09-13 10:10:15,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:15,894 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:15,938 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:10:15,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:15,968 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:15,969 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15 WrapperNode [2024-09-13 10:10:15,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:15,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:15,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:15,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:15,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (1/1) ... [2024-09-13 10:10:15,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (1/1) ... [2024-09-13 10:10:15,987 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (1/1) ... [2024-09-13 10:10:15,998 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:15,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (1/1) ... [2024-09-13 10:10:15,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (1/1) ... [2024-09-13 10:10:16,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (1/1) ... [2024-09-13 10:10:16,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (1/1) ... [2024-09-13 10:10:16,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (1/1) ... [2024-09-13 10:10:16,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (1/1) ... [2024-09-13 10:10:16,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:16,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:16,020 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:16,020 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:16,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (1/1) ... [2024-09-13 10:10:16,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:16,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:16,044 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:16,051 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:16,085 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:16,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:16,148 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:16,150 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:16,169 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:16,191 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:16,448 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:16,459 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:16,493 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:16,494 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:16,494 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:16 BoogieIcfgContainer [2024-09-13 10:10:16,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:16,495 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:16,495 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:16,495 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:16,496 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:15" (1/4) ... [2024-09-13 10:10:16,496 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c37beb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:16, skipping insertion in model container [2024-09-13 10:10:16,496 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:15" (2/4) ... [2024-09-13 10:10:16,496 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c37beb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:16, skipping insertion in model container [2024-09-13 10:10:16,496 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:15" (3/4) ... [2024-09-13 10:10:16,497 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c37beb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:16, skipping insertion in model container [2024-09-13 10:10:16,497 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:16" (4/4) ... [2024-09-13 10:10:16,498 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-13 10:10:16,500 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:16,501 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:16,501 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:16,501 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:16,502 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:10:16,502 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:16,502 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:10:16,502 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:10:16,502 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:16,502 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:16,502 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:16,502 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:16,503 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:16,503 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:10:16,503 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:10:16,543 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:16,544 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,544 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,545 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,546 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,558 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:16,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,559 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,559 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,559 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,563 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,574 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:16,600 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:16,600 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,600 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,600 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,601 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,603 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:16,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,603 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,603 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:16,605 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:16,621 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:16,622 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:16,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:16,622 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:16,622 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:16,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,634 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:16,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:16,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:16,634 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:16,635 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:16,635 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:20,652 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:20,676 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:20,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:20,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:20,676 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:20,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:20,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,678 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:20,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,678 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:20,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:20,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:20,678 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:20,680 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:20,693 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:20,694 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:20,694 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:20,694 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:20,694 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:20,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,696 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:20,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,697 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:20,697 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:20,697 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:20,697 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:20,698 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:20,713 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:20,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:20,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:20,713 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:20,714 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:20,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,746 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:20,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,749 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:20,750 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:20,750 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:20,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:20,754 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:20,769 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:20,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:20,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:20,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:20,771 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:20,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,784 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:20,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,785 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:20,785 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:20,785 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:20,787 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:20,819 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:20,831 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:20,832 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:20,832 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:20,832 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:20,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:20,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,833 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:20,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:20,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:20,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:20,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:20,835 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:20,841 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:20,841 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:20,841 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:20,841 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:20,841 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:20,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,843 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:20,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,843 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:20,843 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:20,843 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:20,844 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:20,844 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:20,850 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:20,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:20,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:20,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:20,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:20,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,852 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:20,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:20,862 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:20,863 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:20,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:20,864 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:20,870 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:20,870 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:20,870 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:20,870 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:20,870 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:20,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,872 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:20,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,872 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:20,872 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:20,872 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:20,872 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:20,873 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:20,879 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:20,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:20,880 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:20,880 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:20,880 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:20,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,883 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:20,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:20,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:20,883 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:20,883 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:20,884 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:24,892 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:24,905 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:24,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,905 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,905 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,918 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:24,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,919 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,919 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,919 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,923 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:28,956 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:28,974 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:28,974 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c37beb7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:28, skipping insertion in model container [2024-09-13 10:10:28,974 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:28,976 INFO L158 Benchmark]: Toolchain (without parser) took 13267.56ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 51.2MB in the beginning and 78.5MB in the end (delta: -27.4MB). Peak memory consumption was 33.4MB. Max. memory is 16.1GB. [2024-09-13 10:10:28,977 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:28,977 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 86.0MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:28,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.51ms. Allocated memory is still 86.0MB. Free memory was 51.2MB in the beginning and 63.7MB in the end (delta: -12.5MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:28,979 INFO L158 Benchmark]: Boogie Preprocessor took 48.99ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 61.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:28,980 INFO L158 Benchmark]: RCFGBuilder took 474.68ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 44.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:28,981 INFO L158 Benchmark]: Referee took 12479.49ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 44.9MB in the beginning and 78.5MB in the end (delta: -33.7MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:28,983 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 entry of procedure main to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. 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 check that procedure precondition always holds 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 loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 66.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 86.0MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.51ms. Allocated memory is still 86.0MB. Free memory was 51.2MB in the beginning and 63.7MB in the end (delta: -12.5MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.99ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 61.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 474.68ms. Allocated memory is still 86.0MB. Free memory was 61.3MB in the beginning and 44.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12479.49ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 44.9MB in the beginning and 78.5MB in the end (delta: -33.7MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:29,019 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...