This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:56,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:56,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:56,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:56,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:56,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:56,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:56,370 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:56,371 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:56,372 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:56,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:56,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:56,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:56,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:56,377 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:56,378 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:56,378 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:56,378 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:56,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:56,379 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:56,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:56,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:56,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:56,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:56,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:56,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:56,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:56,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:56,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:56,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:56,384 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:56,384 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:56,385 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:56,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:56,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:56,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:56,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:56,399 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:56,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:56,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:56,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:56,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:56,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:56,400 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:56,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:56,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:56,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:56,694 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:56,695 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:56,696 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml [2024-09-13 10:09:56,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:56,756 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:56,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-13 10:09:58,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:58,380 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:58,383 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-13 10:09:58,390 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1844af08a/ce6cc02cc1c24a12b4ec00f3bdc62db5/FLAG4c890530f [2024-09-13 10:09:58,772 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1844af08a/ce6cc02cc1c24a12b4ec00f3bdc62db5 [2024-09-13 10:09:58,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:58,773 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:58,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:58,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:58,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:58,784 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 10:09:56" (1/2) ... [2024-09-13 10:09:58,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5cd686 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 10:09:58,785 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 10:09:56" (1/2) ... [2024-09-13 10:09:58,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7963066b 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 10:09:58,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:58" (2/2) ... [2024-09-13 10:09:58,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5cd686 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 10:09:58,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:58" (2/2) ... [2024-09-13 10:09:58,797 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:58,798 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 10:09:58,798 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:58,798 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:09:58,798 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:58,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:58,968 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2024-09-13 10:09:58,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:58,996 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:59,029 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:09:59,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:59,050 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:59,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59 WrapperNode [2024-09-13 10:09:59,051 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:59,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:59,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:59,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:59,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:09:59,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:09:59,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:09:59,074 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 10:09:59,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:09:59,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:09:59,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:09:59,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:09:59,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:09:59,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:09:59,085 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:59,086 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:59,086 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:59,086 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:59,087 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (1/1) ... [2024-09-13 10:09:59,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:59,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:59,114 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 10:09:59,118 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 10:09:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:59,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:59,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:59,156 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:59,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:59,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:59,217 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:59,218 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:59,236 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:59,257 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:59,411 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:59,431 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:59,454 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:59,454 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:09:59,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:59 BoogieIcfgContainer [2024-09-13 10:09:59,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:59,459 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:59,459 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:59,460 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:59,460 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 10:09:56" (1/4) ... [2024-09-13 10:09:59,461 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@34f7cae4 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 10:09:59,461 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:58" (2/4) ... [2024-09-13 10:09:59,461 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@34f7cae4 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 10:09:59,461 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:59" (3/4) ... [2024-09-13 10:09:59,461 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@34f7cae4 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 10:09:59,462 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:59" (4/4) ... [2024-09-13 10:09:59,463 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c [2024-09-13 10:09:59,466 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:09:59,467 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 10:09:59,467 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:59,467 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 10:09:59,467 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:09:59,467 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:59,468 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 10:09:59,468 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 10:09:59,468 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 10:09:59,468 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 10:09:59,468 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 10:09:59,468 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:59,469 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 10:09:59,469 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 10:09:59,469 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:09:59,530 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:59,531 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,531 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,532 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,543 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:59,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,547 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,547 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,549 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:59,570 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 10:09:59,595 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:59,595 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,596 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,599 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:59,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,599 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,599 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,599 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:59,603 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:59,646 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:59,646 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:59,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:59,646 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:59,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:59,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,673 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:59,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:59,674 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:59,675 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:59,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:59,675 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:03,683 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:03,708 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:03,709 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:03,709 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:03,709 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:03,709 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:03,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,712 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:03,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:03,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:03,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:03,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:03,716 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:03,735 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:03,735 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:03,735 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:03,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:03,736 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:03,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,737 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:03,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,738 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:03,738 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:03,738 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:03,738 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:03,742 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:03,757 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:03,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:03,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:03,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:03,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:03,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,823 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:03,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,827 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:03,828 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:03,828 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:03,829 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:03,833 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:03,860 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:03,865 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:03,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:03,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:03,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:03,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,887 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:03,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:03,887 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:03,888 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:03,888 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:03,892 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,895 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:07,908 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:07,908 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,908 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,908 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,908 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,909 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:07,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,910 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,910 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,910 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,910 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,914 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:07,924 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:07,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,928 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:07,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,928 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,928 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,928 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,929 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,932 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:07,941 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:07,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,942 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,942 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,944 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:07,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,944 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,944 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,945 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,945 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,946 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:07,954 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:07,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,955 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,956 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:07,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,956 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,957 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,957 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,957 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,959 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:07,968 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:07,969 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,969 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,969 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,970 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,974 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:07,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:07,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:07,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:07,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:07,974 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:07,978 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:07,987 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:07,987 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:07,988 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:07,988 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:07,988 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:07,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,018 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:08,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:08,019 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:08,019 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:08,019 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:08,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:12,031 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:12,049 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:12,051 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@34f7cae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:12, skipping insertion in model container [2024-09-13 10:10:12,051 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:12,053 INFO L158 Benchmark]: Toolchain (without parser) took 13278.61ms. Allocated memory is still 172.0MB. Free memory was 143.7MB in the beginning and 95.3MB in the end (delta: 48.4MB). Peak memory consumption was 56.9MB. Max. memory is 16.1GB. [2024-09-13 10:10:12,053 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:12,053 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:12,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.42ms. Allocated memory is still 172.0MB. Free memory was 143.5MB in the beginning and 133.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:12,055 INFO L158 Benchmark]: Boogie Preprocessor took 33.91ms. Allocated memory is still 172.0MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:12,057 INFO L158 Benchmark]: RCFGBuilder took 369.09ms. Allocated memory is still 172.0MB. Free memory was 131.1MB in the beginning and 115.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:12,057 INFO L158 Benchmark]: Referee took 12591.78ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 95.3MB in the end (delta: 20.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-13 10:10:12,060 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to 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 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 86.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.42ms. Allocated memory is still 172.0MB. Free memory was 143.5MB in the beginning and 133.2MB in the end (delta: 10.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.91ms. Allocated memory is still 172.0MB. Free memory was 133.2MB in the beginning and 131.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.09ms. Allocated memory is still 172.0MB. Free memory was 131.1MB in the beginning and 115.7MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12591.78ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 95.3MB in the end (delta: 20.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:12,097 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:14,219 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:14,284 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:14,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:14,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:14,328 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:14,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:14,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:14,331 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:14,332 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:14,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:14,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:14,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:14,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:14,334 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:14,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:14,335 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:14,335 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:14,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:14,336 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:14,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:14,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:14,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:14,341 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:14,341 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:14,341 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:14,341 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:14,342 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:14,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:14,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:14,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:14,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:14,343 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:14,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:14,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:14,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:14,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:14,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:14,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:14,346 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:14,346 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:14,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:14,347 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:14,347 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:14,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:14,347 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:14,348 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:14,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:14,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:14,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:14,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:14,687 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:14,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-13 10:10:16,200 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:16,400 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:16,401 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c [2024-09-13 10:10:16,413 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3a511bc9f/c8587d1ac481431aa4a157a79dfbaf36/FLAG3c038ad2a [2024-09-13 10:10:16,430 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3a511bc9f/c8587d1ac481431aa4a157a79dfbaf36 [2024-09-13 10:10:16,435 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:16,436 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:16,437 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound2.yml/witness-2.1.yml [2024-09-13 10:10:16,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:16,502 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:16,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:16,505 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:16,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:16,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:16" (1/2) ... [2024-09-13 10:10:16,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2781c52b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:16, skipping insertion in model container [2024-09-13 10:10:16,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:16" (1/2) ... [2024-09-13 10:10:16,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@595b34f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:16, skipping insertion in model container [2024-09-13 10:10:16,516 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 10:10:16" (2/2) ... [2024-09-13 10:10:16,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2781c52b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16, skipping insertion in model container [2024-09-13 10:10:16,516 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 10:10:16" (2/2) ... [2024-09-13 10:10:16,527 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:16,528 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 10:10:16,528 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:10:16,528 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:10:16,528 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:16,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:16,724 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] [2024-09-13 10:10:16,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:16,760 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:16,800 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound2.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:10:16,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:16,834 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:16,835 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:16 WrapperNode [2024-09-13 10:10:16,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:16,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:16,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:16,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:16,850 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 10:10:16" (1/1) ... [2024-09-13 10:10:16,851 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 10:10:16" (1/1) ... [2024-09-13 10:10:16,860 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 10:10:16" (1/1) ... [2024-09-13 10:10:16,873 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 10:10:16,874 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 10:10:16" (1/1) ... [2024-09-13 10:10:16,874 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 10:10:16" (1/1) ... [2024-09-13 10:10:16,880 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 10:10:16" (1/1) ... [2024-09-13 10:10:16,883 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 10:10:16" (1/1) ... [2024-09-13 10:10:16,884 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 10:10:16" (1/1) ... [2024-09-13 10:10:16,885 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 10:10:16" (1/1) ... [2024-09-13 10:10:16,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:16,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:16,889 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:16,889 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:16,890 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 10:10:16" (1/1) ... [2024-09-13 10:10:16,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:16,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:16,921 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 10:10:16,928 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 10:10:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:16,971 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:16,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:16,972 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:16,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:16,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:17,052 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:17,054 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:17,074 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:17,100 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:17,439 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:17,453 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:17,488 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:17,488 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:17,489 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:17 BoogieIcfgContainer [2024-09-13 10:10:17,489 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:17,490 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:17,490 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:17,490 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:17,491 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:16" (1/4) ... [2024-09-13 10:10:17,492 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24acddaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:17, skipping insertion in model container [2024-09-13 10:10:17,492 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 10:10:16" (2/4) ... [2024-09-13 10:10:17,492 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24acddaa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:17, skipping insertion in model container [2024-09-13 10:10:17,493 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 10:10:16" (3/4) ... [2024-09-13 10:10:17,493 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24acddaa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:17, skipping insertion in model container [2024-09-13 10:10:17,493 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 10:10:17" (4/4) ... [2024-09-13 10:10:17,494 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound2.c [2024-09-13 10:10:17,498 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:17,499 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 10:10:17,499 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:17,500 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 10:10:17,500 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:10:17,500 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:17,500 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 10:10:17,500 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 10:10:17,501 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 10:10:17,501 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 10:10:17,501 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 10:10:17,501 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:17,502 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 10:10:17,502 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 10:10:17,502 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:10:17,562 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:17,564 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,564 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,565 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,566 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,583 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:17,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,586 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,586 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,589 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,609 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 10:10:17,638 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:17,638 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,639 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,639 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,642 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:17,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,642 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,642 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,642 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,642 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,644 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:17,663 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:17,663 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,663 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,664 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,664 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,674 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:17,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,674 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,674 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,674 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,675 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,723 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:17,753 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:17,754 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,754 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,756 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:17,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,756 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,756 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,756 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,757 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,764 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:17,790 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:17,794 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,794 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,794 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,795 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,796 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:17,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,797 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,801 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:17,816 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:17,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,817 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,843 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:17,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,843 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,844 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,844 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,847 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:17,859 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:17,860 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,860 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,860 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,860 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,872 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:17,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,873 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,873 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,876 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,909 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:17,928 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:17,929 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,929 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,929 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,929 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,931 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:17,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,931 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,931 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,931 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,932 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,933 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:17,944 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:17,944 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,944 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,945 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,945 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,947 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:17,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,948 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,948 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,948 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,949 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,950 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:17,961 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:17,962 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,962 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,962 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,962 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,964 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:17,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,964 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,964 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,965 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,966 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:17,977 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:17,977 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,977 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,977 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,978 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,980 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:17,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,981 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,981 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,982 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:17,993 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:17,993 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,993 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,994 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,994 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,999 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:17,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,999 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,011 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:22,024 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:22,024 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,025 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,025 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,041 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:22,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,041 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,041 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,041 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,046 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:26,095 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:26,112 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:26,112 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@24acddaa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:26, skipping insertion in model container [2024-09-13 10:10:26,112 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:26,114 INFO L158 Benchmark]: Toolchain (without parser) took 9611.06ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 39.9MB in the beginning and 39.9MB in the end (delta: -3.4kB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:26,115 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:26,115 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:26,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.96ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 43.5MB in the end (delta: -3.8MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:26,116 INFO L158 Benchmark]: Boogie Preprocessor took 51.55ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 41.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:26,117 INFO L158 Benchmark]: RCFGBuilder took 600.38ms. Allocated memory is still 75.5MB. Free memory was 41.1MB in the beginning and 47.4MB in the end (delta: -6.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-09-13 10:10:26,117 INFO L158 Benchmark]: Referee took 8622.83ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.4MB in the beginning and 39.9MB in the end (delta: 7.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:26,120 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 75.5MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.96ms. Allocated memory is still 75.5MB. Free memory was 39.7MB in the beginning and 43.5MB in the end (delta: -3.8MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.55ms. Allocated memory is still 75.5MB. Free memory was 43.5MB in the beginning and 41.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 600.38ms. Allocated memory is still 75.5MB. Free memory was 41.1MB in the beginning and 47.4MB in the end (delta: -6.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Referee took 8622.83ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 47.4MB in the beginning and 39.9MB in the end (delta: 7.5MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:26,160 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...