This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:08:32,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:32,536 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:08:32,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:32,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:32,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:32,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:32,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:32,563 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:32,564 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:32,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:32,565 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:32,565 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:32,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:32,567 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:32,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:32,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:32,567 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:32,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:08:32,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:32,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:32,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:32,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:32,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:32,570 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:32,570 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:32,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:32,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:32,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:32,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:32,571 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:32,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:32,571 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:32,571 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:32,571 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:32,571 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:32,572 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:32,572 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:08:32,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:08:32,572 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:32,572 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:32,573 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:32,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:32,574 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:32,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:32,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:32,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:32,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:32,776 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:32,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-13 05:08:33,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:34,103 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:34,103 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-13 05:08:34,113 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9df380db7/14c306846f9d44ed8eb883237dbc6683/FLAGf155c96d5 [2024-09-13 05:08:34,125 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9df380db7/14c306846f9d44ed8eb883237dbc6683 [2024-09-13 05:08:34,127 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:34,128 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:34,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-13 05:08:34,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:34,175 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:34,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:34,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:34,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:34,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:34" (1/2) ... [2024-09-13 05:08:34,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56cbea0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:34, skipping insertion in model container [2024-09-13 05:08:34,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:34" (1/2) ... [2024-09-13 05:08:34,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@44ed2ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:34, skipping insertion in model container [2024-09-13 05:08:34,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:34" (2/2) ... [2024-09-13 05:08:34,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56cbea0d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34, skipping insertion in model container [2024-09-13 05:08:34,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:34" (2/2) ... [2024-09-13 05:08:34,190 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:34,191 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 05:08:34,191 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:08:34,191 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:08:34,191 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:08:34,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:34,305 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_unwindbound20.c[537,550] [2024-09-13 05:08:34,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:34,323 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:34,355 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_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:08:34,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:34,403 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:34,407 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34 WrapperNode [2024-09-13 05:08:34,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:34,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:34,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:34,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:34,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (1/1) ... [2024-09-13 05:08:34,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (1/1) ... [2024-09-13 05:08:34,450 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (1/1) ... [2024-09-13 05:08:34,463 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:08:34,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (1/1) ... [2024-09-13 05:08:34,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (1/1) ... [2024-09-13 05:08:34,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (1/1) ... [2024-09-13 05:08:34,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (1/1) ... [2024-09-13 05:08:34,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (1/1) ... [2024-09-13 05:08:34,474 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (1/1) ... [2024-09-13 05:08:34,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:08:34,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:08:34,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:08:34,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:08:34,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (1/1) ... [2024-09-13 05:08:34,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:34,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:08:34,501 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:08:34,502 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:08:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:08:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:08:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:08:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:08:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:08:34,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:08:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:08:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:08:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:08:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:08:34,535 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:08:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:08:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:08:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:08:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:08:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:08:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:08:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:08:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:08:34,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:08:34,583 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:08:34,585 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:08:34,605 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:34,628 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:34,744 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:34,762 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:08:34,784 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:08:34,786 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:08:34,786 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:34 BoogieIcfgContainer [2024-09-13 05:08:34,786 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:08:34,787 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:08:34,787 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:08:34,787 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:08:34,788 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:34" (1/4) ... [2024-09-13 05:08:34,788 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64e449c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:34, skipping insertion in model container [2024-09-13 05:08:34,788 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:34" (2/4) ... [2024-09-13 05:08:34,789 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64e449c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:34, skipping insertion in model container [2024-09-13 05:08:34,790 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:34" (3/4) ... [2024-09-13 05:08:34,790 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64e449c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:34, skipping insertion in model container [2024-09-13 05:08:34,790 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:34" (4/4) ... [2024-09-13 05:08:34,791 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-13 05:08:34,795 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:08:34,796 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:34,796 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:34,796 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:34,796 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:08:34,796 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:34,797 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:08:34,797 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:08:34,797 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:34,797 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:34,797 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:34,797 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:34,798 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:08:34,798 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:08:34,798 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:08:34,837 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:08:34,838 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,838 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,838 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,839 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,850 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:08:34,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,850 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,851 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,851 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:34,878 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:34,906 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:34,906 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,906 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,908 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:34,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,910 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,910 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,911 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,911 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:34,918 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:34,941 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:34,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:34,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:34,942 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:34,942 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:34,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,952 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:34,952 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:34,952 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:34,952 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:34,952 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:34,953 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:38,959 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:38,971 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:08:38,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:38,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:38,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:38,971 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:38,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,972 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:08:38,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,973 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:38,973 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:38,973 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:38,973 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:38,974 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:38,982 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:38,982 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:38,983 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:38,983 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:38,983 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:38,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,984 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:38,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:38,984 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:38,984 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:38,984 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:38,984 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:38,988 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:39,001 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:08:39,001 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:39,001 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:39,001 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:39,001 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:39,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:39,021 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:08:39,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:39,022 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:39,022 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:39,022 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:39,022 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:39,024 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:39,032 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:08:39,032 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:39,032 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:39,032 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:39,033 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:39,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:39,046 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:08:39,047 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:39,047 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:39,047 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:39,047 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:39,052 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:43,058 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:43,070 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:43,070 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:43,070 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:43,070 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:43,071 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:43,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,071 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:43,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:43,071 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:43,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:43,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:43,074 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:43,081 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:08:43,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:43,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:43,082 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:43,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:43,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,084 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:08:43,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,085 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:43,085 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:43,085 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:43,086 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:43,087 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:43,094 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:43,094 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:43,094 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:43,094 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:43,094 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:43,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,095 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:43,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,095 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:43,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:43,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:43,096 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:43,096 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:08:43,103 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:08:43,103 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:43,103 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:43,103 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:43,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:43,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,115 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:08:43,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:43,116 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:43,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:43,116 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:43,117 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:43,123 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:08:43,123 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:43,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:43,123 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:43,123 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:43,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,126 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:08:43,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,126 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:43,126 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:43,126 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:43,127 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:43,128 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:08:43,134 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:08:43,134 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:43,134 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:43,134 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:43,135 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:43,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,149 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:08:43,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:43,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:43,151 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:43,151 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:43,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:46,072 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:08:46,076 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:08:46,076 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@64e449c8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:08:46, skipping insertion in model container [2024-09-13 05:08:46,076 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:08:46,077 INFO L158 Benchmark]: Toolchain (without parser) took 11901.79ms. Allocated memory is still 178.3MB. Free memory was 106.8MB in the beginning and 130.4MB in the end (delta: -23.6MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-09-13 05:08:46,078 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:46,078 INFO L158 Benchmark]: Witness Parser took 0.54ms. Allocated memory is still 178.3MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:46,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.75ms. Allocated memory is still 178.3MB. Free memory was 106.5MB in the beginning and 149.3MB in the end (delta: -42.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-09-13 05:08:46,079 INFO L158 Benchmark]: Boogie Preprocessor took 67.19ms. Allocated memory is still 178.3MB. Free memory was 149.3MB in the beginning and 147.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:08:46,079 INFO L158 Benchmark]: RCFGBuilder took 310.39ms. Allocated memory is still 178.3MB. Free memory was 147.6MB in the beginning and 132.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:08:46,079 INFO L158 Benchmark]: Referee took 11289.69ms. Allocated memory is still 178.3MB. Free memory was 132.2MB in the beginning and 130.4MB in the end (delta: 1.8MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2024-09-13 05:08:46,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure 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 exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 113.2MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.54ms. Allocated memory is still 178.3MB. Free memory is still 108.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.75ms. Allocated memory is still 178.3MB. Free memory was 106.5MB in the beginning and 149.3MB in the end (delta: -42.8MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.19ms. Allocated memory is still 178.3MB. Free memory was 149.3MB in the beginning and 147.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.39ms. Allocated memory is still 178.3MB. Free memory was 147.6MB in the beginning and 132.2MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 11289.69ms. Allocated memory is still 178.3MB. Free memory was 132.2MB in the beginning and 130.4MB in the end (delta: 1.8MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:08:46,105 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:08:47,772 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:47,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:08:47,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:47,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:47,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:47,859 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:47,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:47,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:47,860 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:47,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:47,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:47,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:47,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:47,865 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:47,865 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:47,866 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:47,866 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:47,866 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:47,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:47,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:47,869 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:47,870 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:47,870 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:08:47,870 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:08:47,870 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:47,870 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:08:47,871 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:47,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:47,871 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:47,871 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:47,871 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:47,872 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:47,874 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:47,874 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:47,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:47,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:47,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:47,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:47,875 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:08:47,875 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:08:47,876 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:47,876 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:47,876 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:47,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:47,877 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:08:47,877 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:48,103 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:48,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:48,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:48,121 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:48,122 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:48,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-13 05:08:48,166 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:48,166 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:48,166 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-13 05:08:49,412 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:49,553 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:49,553 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-13 05:08:49,558 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e0cb5bed9/bc5f1a6eaed64014aa4a5da2ddd0df8a/FLAGe4e4d6eb6 [2024-09-13 05:08:49,568 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e0cb5bed9/bc5f1a6eaed64014aa4a5da2ddd0df8a [2024-09-13 05:08:49,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:49,569 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:49,570 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:49,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:49,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:49,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:48" (1/2) ... [2024-09-13 05:08:49,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a86ea23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:49, skipping insertion in model container [2024-09-13 05:08:49,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:48" (1/2) ... [2024-09-13 05:08:49,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2571cf6b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:49, skipping insertion in model container [2024-09-13 05:08:49,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:49" (2/2) ... [2024-09-13 05:08:49,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a86ea23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49, skipping insertion in model container [2024-09-13 05:08:49,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:49" (2/2) ... [2024-09-13 05:08:49,587 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:49,591 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 05:08:49,591 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:08:49,591 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:08:49,591 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:08:49,605 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:49,732 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_unwindbound20.c[537,550] [2024-09-13 05:08:49,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:49,759 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:49,790 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_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:08:49,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:49,820 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:49,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49 WrapperNode [2024-09-13 05:08:49,821 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:49,822 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:49,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:49,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:49,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,852 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:08:49,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,861 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:08:49,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:08:49,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:08:49,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:08:49,873 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (1/1) ... [2024-09-13 05:08:49,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:49,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:08:49,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:08:49,913 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:08:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:08:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:08:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:08:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:08:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:08:49,943 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:08:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:08:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:08:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:08:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:08:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:08:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:08:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:08:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:08:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:08:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:08:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:08:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:08:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:08:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:08:49,996 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:08:49,997 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:08:50,016 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:50,039 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:50,270 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:50,280 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:08:50,300 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:08:50,300 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:08:50,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:50 BoogieIcfgContainer [2024-09-13 05:08:50,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:08:50,301 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:08:50,301 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:08:50,302 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:08:50,302 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:48" (1/4) ... [2024-09-13 05:08:50,302 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d298ab and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:50, skipping insertion in model container [2024-09-13 05:08:50,302 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:49" (2/4) ... [2024-09-13 05:08:50,302 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d298ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:50, skipping insertion in model container [2024-09-13 05:08:50,303 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:49" (3/4) ... [2024-09-13 05:08:50,303 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d298ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:50, skipping insertion in model container [2024-09-13 05:08:50,303 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:50" (4/4) ... [2024-09-13 05:08:50,306 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-13 05:08:50,308 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:08:50,309 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:50,309 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:50,309 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:50,309 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:08:50,309 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:50,309 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:08:50,310 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:08:50,310 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:50,310 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:50,310 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:50,310 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:50,310 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:08:50,310 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:08:50,310 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-13 05:08:50,359 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:08:50,360 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,360 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,361 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,361 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,370 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:08:50,372 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,372 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,372 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,372 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,387 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:50,407 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:50,409 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,409 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,411 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:50,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,412 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,412 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,412 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,417 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:50,442 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:50,442 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,442 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,442 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,442 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,453 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:50,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,453 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,454 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,454 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,454 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,470 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:54,486 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:08:54,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:54,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:54,487 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:54,487 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:54,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,488 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:08:54,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,488 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:54,488 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:54,488 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:54,488 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,493 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:54,522 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:54,522 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:54,522 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:54,523 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:54,523 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:54,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,524 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:54,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,524 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:54,524 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:54,524 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:54,524 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,528 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:54,542 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:08:54,542 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:54,542 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:54,542 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:54,542 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:54,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,566 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:08:54,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:54,567 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:54,567 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:54,568 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,569 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:54,575 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:08:54,576 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:54,576 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:54,576 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:54,576 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:54,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,583 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:08:54,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,584 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:54,584 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:54,584 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:54,586 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,605 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:54,615 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:54,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:54,615 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:54,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:54,615 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:54,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,616 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:54,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,616 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:54,616 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:54,616 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:54,616 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,618 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:54,623 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:08:54,624 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:54,624 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:54,624 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:54,624 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:54,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,625 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:08:54,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:54,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:54,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:54,626 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,627 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:54,632 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:54,633 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:54,633 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:54,633 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:54,633 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:54,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,634 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:54,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:54,634 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:54,635 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:54,635 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,636 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:08:54,641 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:08:54,642 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:54,642 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:54,642 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:54,642 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:54,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,643 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:08:54,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,643 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:54,644 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:54,644 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:54,644 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,645 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:54,650 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:08:54,651 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:54,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:54,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:54,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:54,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,654 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:08:54,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,654 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:54,654 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:54,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:54,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,660 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:08:54,676 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:08:54,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:54,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:54,676 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:54,676 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:54,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,687 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:08:54,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:54,687 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:54,688 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:54,688 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:54,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:58,717 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:58,733 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:08:58,733 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d298ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:08:58, skipping insertion in model container [2024-09-13 05:08:58,733 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:08:58,735 INFO L158 Benchmark]: Toolchain (without parser) took 9165.47ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 68.5MB in the end (delta: 3.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2024-09-13 05:08:58,735 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:58,735 INFO L158 Benchmark]: CDTParser took 0.06ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:58,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.24ms. Allocated memory is still 100.7MB. Free memory was 71.2MB in the beginning and 56.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:08:58,736 INFO L158 Benchmark]: Boogie Preprocessor took 48.93ms. Allocated memory is still 100.7MB. Free memory was 56.9MB in the beginning and 54.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:08:58,737 INFO L158 Benchmark]: RCFGBuilder took 428.15ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 64.1MB in the end (delta: -9.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:08:58,737 INFO L158 Benchmark]: Referee took 8432.52ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 68.5MB in the end (delta: -4.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-09-13 05:08:58,742 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. 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 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 loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 43.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.06ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 41.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.24ms. Allocated memory is still 100.7MB. Free memory was 71.2MB in the beginning and 56.9MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.93ms. Allocated memory is still 100.7MB. Free memory was 56.9MB in the beginning and 54.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 428.15ms. Allocated memory is still 100.7MB. Free memory was 54.6MB in the beginning and 64.1MB in the end (delta: -9.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 8432.52ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 68.5MB in the end (delta: -4.4MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:08:58,774 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...