This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:03,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:03,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:03,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:03,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:03,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:03,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:03,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:03,117 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:03,117 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:03,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:03,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:03,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:03,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:03,119 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:03,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:03,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:03,120 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:03,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:03,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:03,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:03,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:03,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:03,125 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:03,125 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:03,125 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:03,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:03,126 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:03,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:03,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:03,127 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:03,128 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:03,128 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:03,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:03,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:03,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:03,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:03,129 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:03,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:03,130 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:03,130 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:03,131 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:03,131 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:03,131 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:03,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:03,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:03,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:03,386 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:03,387 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:03,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-13 10:10:04,820 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:04,996 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:04,996 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-13 10:10:05,003 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/59ea6a15d/81c7f452f34840e98b91aa2b88ac75fd/FLAGc5cad3bcd [2024-09-13 10:10:05,016 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/59ea6a15d/81c7f452f34840e98b91aa2b88ac75fd [2024-09-13 10:10:05,018 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:05,018 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:05,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-13 10:10:05,070 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:05,071 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:05,072 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:05,073 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:05,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:05,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:05" (1/2) ... [2024-09-13 10:10:05,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e45099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:05" (1/2) ... [2024-09-13 10:10:05,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a5cd612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:05" (2/2) ... [2024-09-13 10:10:05,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e45099 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,083 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:05" (2/2) ... [2024-09-13 10:10:05,091 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:05,092 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 10:10:05,092 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:10:05,092 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:05,093 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:10:05,111 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:05,275 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_unwindbound50.c[537,550] [2024-09-13 10:10:05,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:05,308 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:05,348 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_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:10:05,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:05,380 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:05,381 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05 WrapperNode [2024-09-13 10:10:05,381 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:05,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:05,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:05,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:05,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,406 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,416 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:05,417 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,417 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:05,438 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:05,438 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:05,438 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:05,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (1/1) ... [2024-09-13 10:10:05,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:05,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:05,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:05,477 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:05,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:05,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:05,523 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:05,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:05,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:05,524 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:05,525 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:05,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:05,525 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:05,599 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:05,603 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:05,631 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:05,660 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:05,852 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:05,867 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:05,905 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:05,906 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:05,906 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:05 BoogieIcfgContainer [2024-09-13 10:10:05,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:05,907 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:05,907 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:05,908 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:05,908 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:05" (1/4) ... [2024-09-13 10:10:05,909 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20d6b1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,909 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:05" (2/4) ... [2024-09-13 10:10:05,909 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20d6b1b5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,910 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:05" (3/4) ... [2024-09-13 10:10:05,910 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20d6b1b5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:05, skipping insertion in model container [2024-09-13 10:10:05,910 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:05" (4/4) ... [2024-09-13 10:10:05,912 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-13 10:10:05,915 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:05,916 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:05,916 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:05,917 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:05,917 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:10:05,918 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:05,918 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:10:05,918 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:10:05,918 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:05,919 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:05,919 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:05,919 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:05,919 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:05,919 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:10:05,920 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:10:05,979 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:05,980 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:05,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:05,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:05,982 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:05,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,992 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:05,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:05,993 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:05,993 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:05,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:05,996 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,011 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:06,040 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:06,040 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,040 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,041 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,041 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,043 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:06,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,043 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,044 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,044 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,046 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:06,080 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:06,081 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,081 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,081 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,083 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,111 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:06,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,112 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,112 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,112 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,112 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:10,122 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:10,143 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:10,143 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:10,143 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:10,143 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:10,144 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:10,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,145 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:10,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:10,145 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:10,146 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:10,146 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:10,148 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:10,174 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:10,174 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:10,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:10,175 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:10,175 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:10,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,176 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:10,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:10,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:10,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:10,177 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:10,179 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:10,196 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:10,196 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:10,197 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:10,197 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:10,197 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:10,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,263 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:10,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,264 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:10,264 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:10,264 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:10,265 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:10,267 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:10,297 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:10,297 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:10,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:10,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:10,322 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:10,322 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,340 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:10,341 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:10,341 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:10,341 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:10,341 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:10,347 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:14,358 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:14,371 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:14,371 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:14,371 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:14,371 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:14,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:14,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,372 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:14,372 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,372 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:14,372 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:14,373 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:14,373 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:14,376 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:14,385 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:14,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:14,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:14,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:14,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:14,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,388 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:14,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,388 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:14,389 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:14,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:14,390 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:14,391 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:14,399 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:14,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:14,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:14,400 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:14,400 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:14,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,401 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:14,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:14,402 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:14,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:14,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:14,403 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:14,411 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:14,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:14,412 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:14,412 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:14,412 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:14,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,414 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:14,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,414 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:14,414 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:14,414 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:14,414 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:14,416 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:14,424 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:14,424 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:14,424 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:14,424 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:14,425 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:14,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,428 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:14,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,429 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:14,429 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:14,429 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:14,429 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:14,431 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:14,441 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:14,442 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:14,442 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:14,442 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:14,442 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:14,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,473 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:14,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:14,473 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:14,473 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:14,474 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:14,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:18,487 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:18,499 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:18,500 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@20d6b1b5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:18, skipping insertion in model container [2024-09-13 10:10:18,500 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:18,501 INFO L158 Benchmark]: Toolchain (without parser) took 13429.90ms. Allocated memory is still 159.4MB. Free memory was 103.3MB in the beginning and 85.9MB in the end (delta: 17.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:18,502 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:18,502 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:18,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.79ms. Allocated memory is still 159.4MB. Free memory was 102.8MB in the beginning and 89.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:18,503 INFO L158 Benchmark]: Boogie Preprocessor took 55.23ms. Allocated memory is still 159.4MB. Free memory was 89.0MB in the beginning and 86.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:18,503 INFO L158 Benchmark]: RCFGBuilder took 468.65ms. Allocated memory is still 159.4MB. Free memory was 86.8MB in the beginning and 71.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:18,504 INFO L158 Benchmark]: Referee took 12592.64ms. Allocated memory is still 159.4MB. Free memory was 71.3MB in the beginning and 85.9MB in the end (delta: -14.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:18,506 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to 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 exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 159.4MB. Free memory is still 123.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 159.4MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.79ms. Allocated memory is still 159.4MB. Free memory was 102.8MB in the beginning and 89.0MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.23ms. Allocated memory is still 159.4MB. Free memory was 89.0MB in the beginning and 86.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.65ms. Allocated memory is still 159.4MB. Free memory was 86.8MB in the beginning and 71.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12592.64ms. Allocated memory is still 159.4MB. Free memory was 71.3MB in the beginning and 85.9MB in the end (delta: -14.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:18,538 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:20,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:20,833 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:20,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:20,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:20,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:20,870 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:20,870 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:20,871 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:20,875 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:20,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:20,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:20,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:20,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:20,877 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:20,877 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:20,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:20,878 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:20,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:20,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:20,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:20,883 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:20,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:20,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:20,884 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:20,884 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:20,884 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:20,885 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:20,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:20,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:20,885 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:20,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:20,886 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:20,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:20,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:20,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:20,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:20,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:20,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:20,898 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:20,898 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:20,899 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:20,899 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:20,900 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:20,900 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:20,900 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:20,900 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:21,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:21,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:21,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:21,267 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:21,268 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:21,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-13 10:10:21,333 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:21,333 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:21,334 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-13 10:10:22,824 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:23,037 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:23,037 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-13 10:10:23,043 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ba51ac442/48cc28e88ac049a8ab616d8cead25f1a/FLAG9b2b98216 [2024-09-13 10:10:23,417 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ba51ac442/48cc28e88ac049a8ab616d8cead25f1a [2024-09-13 10:10:23,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:23,419 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:23,422 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:23,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:23,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:23,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:21" (1/2) ... [2024-09-13 10:10:23,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2c4417 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:23, skipping insertion in model container [2024-09-13 10:10:23,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:21" (1/2) ... [2024-09-13 10:10:23,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@219de6e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:23, skipping insertion in model container [2024-09-13 10:10:23,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:23" (2/2) ... [2024-09-13 10:10:23,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2c4417 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23, skipping insertion in model container [2024-09-13 10:10:23,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:23" (2/2) ... [2024-09-13 10:10:23,450 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:23,452 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 10:10:23,452 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:10:23,453 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:10:23,453 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:23,472 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:23,639 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_unwindbound50.c[537,550] [2024-09-13 10:10:23,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:23,679 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:23,719 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_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:10:23,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:23,742 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:23,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23 WrapperNode [2024-09-13 10:10:23,743 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:23,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:23,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:23,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:23,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,763 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,770 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:23,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,781 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,789 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:23,790 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:23,790 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:23,790 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:23,791 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:23,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:23,819 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:23,822 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:23,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:23,920 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:23,923 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:23,951 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:23,978 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:24,394 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:24,417 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:24,462 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:24,466 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:24,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:24 BoogieIcfgContainer [2024-09-13 10:10:24,467 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:24,467 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:24,467 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:24,468 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:24,468 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:21" (1/4) ... [2024-09-13 10:10:24,469 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77c554c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:24, skipping insertion in model container [2024-09-13 10:10:24,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:23" (2/4) ... [2024-09-13 10:10:24,469 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77c554c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:24, skipping insertion in model container [2024-09-13 10:10:24,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (3/4) ... [2024-09-13 10:10:24,469 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77c554c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:24, skipping insertion in model container [2024-09-13 10:10:24,469 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:24" (4/4) ... [2024-09-13 10:10:24,475 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-13 10:10:24,479 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:24,480 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:24,481 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:24,481 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:24,481 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:10:24,481 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:24,481 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:10:24,482 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:10:24,482 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:24,482 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:24,482 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:24,482 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:24,482 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:24,483 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:10:24,483 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 10:10:24,537 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:24,538 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,538 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,539 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,540 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,552 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:24,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,555 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,555 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,556 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,559 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:24,579 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:24,614 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:24,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,615 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,615 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,618 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:24,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,621 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,621 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,621 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,621 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:24,627 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:24,646 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:24,647 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,647 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,668 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:24,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,670 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:28,694 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:28,718 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:28,718 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:28,718 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:28,719 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:28,719 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:28,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:28,720 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:28,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:28,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:28,720 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:28,720 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:28,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:28,725 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:28,741 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:28,741 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:28,741 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:28,741 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:28,742 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:28,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:28,743 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:28,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:28,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:28,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:28,744 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:28,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:28,746 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:28,767 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:28,768 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:28,768 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:28,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:28,769 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:28,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:28,807 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:28,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:28,808 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:28,808 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:28,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:28,810 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:28,811 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:28,827 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:28,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:28,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:28,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:28,828 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:28,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:28,854 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:28,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:28,855 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:28,856 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:28,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:28,860 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:32,884 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:32,901 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:32,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:32,902 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:32,902 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:32,902 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:32,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,904 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:32,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,904 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:32,904 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:32,904 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:32,904 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:32,906 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:32,915 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:32,915 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:32,916 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:32,916 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:32,916 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:32,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,918 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:32,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,918 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:32,919 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:32,919 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:32,919 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:32,921 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:32,931 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:32,932 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:32,932 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:32,932 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:32,932 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:32,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,934 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:32,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:32,935 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:32,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:32,935 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:32,937 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:32,945 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:32,946 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:32,946 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:32,946 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:32,946 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:32,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,949 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:32,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:32,949 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:32,949 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:32,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:32,951 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:32,961 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:32,961 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:32,961 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:32,961 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:32,961 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:32,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,968 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:32,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:32,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:32,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:32,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:32,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:32,981 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:32,995 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:32,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:32,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:32,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:32,995 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:32,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,024 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:33,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:33,025 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:33,025 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:33,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:33,030 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:37,074 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:37,090 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:37,090 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@77c554c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:37, skipping insertion in model container [2024-09-13 10:10:37,090 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:37,092 INFO L158 Benchmark]: Toolchain (without parser) took 13672.50ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 41.0MB in the beginning and 34.8MB in the end (delta: 6.2MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2024-09-13 10:10:37,092 INFO L158 Benchmark]: Witness Parser took 1.05ms. Allocated memory is still 48.2MB. Free memory was 23.5MB in the beginning and 23.4MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:37,093 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 48.2MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:37,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.94ms. Allocated memory is still 69.2MB. Free memory was 40.8MB in the beginning and 44.7MB in the end (delta: -3.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:37,095 INFO L158 Benchmark]: Boogie Preprocessor took 45.51ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 42.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:37,096 INFO L158 Benchmark]: RCFGBuilder took 676.86ms. Allocated memory is still 69.2MB. Free memory was 42.5MB in the beginning and 43.0MB in the end (delta: -593.5kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:37,097 INFO L158 Benchmark]: Referee took 12623.10ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 43.0MB in the beginning and 34.8MB in the end (delta: 8.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-09-13 10:10:37,100 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 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 main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. 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 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.05ms. Allocated memory is still 48.2MB. Free memory was 23.5MB in the beginning and 23.4MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 48.2MB. Free memory is still 31.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.94ms. Allocated memory is still 69.2MB. Free memory was 40.8MB in the beginning and 44.7MB in the end (delta: -3.9MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.51ms. Allocated memory is still 69.2MB. Free memory was 44.7MB in the beginning and 42.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 676.86ms. Allocated memory is still 69.2MB. Free memory was 42.5MB in the beginning and 43.0MB in the end (delta: -593.5kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12623.10ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 43.0MB in the beginning and 34.8MB in the end (delta: 8.3MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:37,137 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...