This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:44,682 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:44,754 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:44,758 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:44,758 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:44,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:44,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:44,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:44,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:44,792 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:44,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:44,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:44,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:44,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:44,796 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:44,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:44,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:44,797 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:44,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:44,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:44,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:44,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:44,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:44,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:44,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:44,803 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:44,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:44,803 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:44,804 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:44,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:44,804 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:44,804 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:44,804 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:44,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:44,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:44,805 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:44,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:44,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:44,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:44,807 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:44,807 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:44,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:44,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:44,808 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:45,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:45,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:45,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:45,066 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:45,067 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:45,068 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2024-09-13 10:09:46,497 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:46,681 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:46,685 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2024-09-13 10:09:46,693 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6cc410158/bef2c68ab61041efa41748c5dafdf60f/FLAG877d71099 [2024-09-13 10:09:46,708 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6cc410158/bef2c68ab61041efa41748c5dafdf60f [2024-09-13 10:09:46,710 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:46,711 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:46,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound2.yml/witness-2.1.yml [2024-09-13 10:09:46,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:46,759 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:46,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:46,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:46,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:46,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:46" (1/2) ... [2024-09-13 10:09:46,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbb00be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:46, skipping insertion in model container [2024-09-13 10:09:46,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:46" (1/2) ... [2024-09-13 10:09:46,771 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7578ac35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:46, skipping insertion in model container [2024-09-13 10:09:46,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:46" (2/2) ... [2024-09-13 10:09:46,772 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cbb00be and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:46, skipping insertion in model container [2024-09-13 10:09:46,772 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:46" (2/2) ... [2024-09-13 10:09:46,795 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:46,796 INFO L1541 ArrayList]: Loop invariant at [L34-L42] (((((((((A == r) && (p == 2)) && (1 <= r)) && (d == 2)) && (r <= 2)) && (q == 0)) && (B == 1)) || (((((((0 <= A) && (A == r)) && (d == 1)) && (r <= 2)) && (q == 0)) && (B == 1)) && (p == 1))) || ((((((A == 2) && (r == 2)) && (d == 4)) && (q == 0)) && (B == 1)) && (p == 4))) [2024-09-13 10:09:46,798 INFO L1541 ArrayList]: Loop invariant at [L44-L56] (((((((((((r == 0) && (A == 2)) && (q == 2)) && (d == 1)) && (B == 1)) && (p == 1)) || (((((A == r) && (p == 2)) && (d == 2)) && (q == 0)) && (B == 1))) || ((((((r == 0) && (A == 2)) && (q == 2)) && (p == 2)) && (d == 2)) && (B == 1))) || (((((A == ((long long) r + 1)) && (d == 1)) && (B == 1)) && (q == 1)) && (p == 1))) || (((((A == r) && (d == 1)) && (q == 0)) && (B == 1)) && (p == 1))) || ((((((A == 2) && (r == 2)) && (d == 4)) && (q == 0)) && (B == 1)) && (p == 4))) [2024-09-13 10:09:46,798 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:09:46,798 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:09:46,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:46,961 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/hard2_valuebound2.c[526,539] [2024-09-13 10:09:46,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:46,989 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:47,034 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/hard2_valuebound2.c[526,539] Start Parsing Local Start Parsing Local [2024-09-13 10:09:47,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:47,073 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:47,073 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47 WrapperNode [2024-09-13 10:09:47,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:47,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:47,075 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:47,075 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:47,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (1/1) ... [2024-09-13 10:09:47,091 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (1/1) ... [2024-09-13 10:09:47,101 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (1/1) ... [2024-09-13 10:09:47,111 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:09:47,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (1/1) ... [2024-09-13 10:09:47,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (1/1) ... [2024-09-13 10:09:47,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (1/1) ... [2024-09-13 10:09:47,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (1/1) ... [2024-09-13 10:09:47,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (1/1) ... [2024-09-13 10:09:47,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (1/1) ... [2024-09-13 10:09:47,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:47,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:47,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:47,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:47,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (1/1) ... [2024-09-13 10:09:47,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:47,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:47,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:09:47,168 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:09:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:47,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:09:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:47,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:47,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:47,266 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:47,269 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:47,492 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:47,507 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:47,545 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:47,547 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:09:47,547 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:47 BoogieIcfgContainer [2024-09-13 10:09:47,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:47,548 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:47,548 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:47,549 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:47,550 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:46" (1/4) ... [2024-09-13 10:09:47,550 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@33e6ab42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:47, skipping insertion in model container [2024-09-13 10:09:47,552 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:46" (2/4) ... [2024-09-13 10:09:47,552 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@33e6ab42 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:47, skipping insertion in model container [2024-09-13 10:09:47,552 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:47" (3/4) ... [2024-09-13 10:09:47,553 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@33e6ab42 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:47, skipping insertion in model container [2024-09-13 10:09:47,553 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:47" (4/4) ... [2024-09-13 10:09:47,554 INFO L79 RefereeObserver]: Analyzing ICFG hard2_valuebound2.c [2024-09-13 10:09:47,558 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:09:47,559 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:47,559 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:47,560 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 10:09:47,560 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-13 10:09:47,560 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:47,560 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:47,561 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:47,561 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 10:09:47,561 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:47,561 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:47,562 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:47,562 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:47,562 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:47,562 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:47,563 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-13 10:09:47,631 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:47,632 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:47,632 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:47,633 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:47,634 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:47,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,648 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:47,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,649 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:47,649 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:47,650 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:47,652 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:47,666 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:47,694 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:09:47,694 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:47,694 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:47,694 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:47,694 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:47,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,748 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:09:47,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:47,749 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:47,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:47,771 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:47,788 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:47,806 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-13 10:09:47,807 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:47,807 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:47,807 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:47,807 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:47,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,833 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-13 10:09:47,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:47,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:47,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:47,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:47,844 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:47,864 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-13 10:09:47,865 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:47,865 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:47,865 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:47,865 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:47,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,905 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-13 10:09:47,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,908 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:47,908 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:47,908 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:47,914 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:47,918 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:47,948 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:47,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:47,949 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:47,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:47,949 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:47,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,952 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:47,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,957 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:47,957 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:47,957 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:47,957 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:47,961 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:47,979 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:09:47,979 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:47,979 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:47,979 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:47,979 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:47,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,989 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:09:47,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:47,990 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:47,990 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:47,990 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:47,993 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:47,997 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:48,006 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:48,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,007 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,007 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,007 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,010 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:48,011 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,011 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,011 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,011 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,011 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,014 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:48,023 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:48,024 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,024 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,024 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,024 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,028 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:48,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,028 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,028 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,029 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,031 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:48,042 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:09:48,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,054 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:09:48,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,055 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,055 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,055 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,055 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,059 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:48,072 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:48,072 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,073 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,073 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,073 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,077 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:48,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,078 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,083 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:48,096 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:48,096 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,096 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,096 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,096 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,102 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:48,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,102 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,102 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,103 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,106 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:48,113 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:48,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,114 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,114 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,114 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,116 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:48,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,120 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:48,131 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:48,131 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,131 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,133 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:48,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,134 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,134 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,136 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:48,144 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:09:48,145 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,146 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,146 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,146 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,146 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,151 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:09:48,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,152 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,152 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,152 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,152 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,156 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:48,159 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:09:48,160 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@33e6ab42 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:48, skipping insertion in model container [2024-09-13 10:09:48,161 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:48,163 INFO L158 Benchmark]: Toolchain (without parser) took 1403.12ms. Allocated memory is still 172.0MB. Free memory was 139.5MB in the beginning and 92.2MB in the end (delta: 47.3MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2024-09-13 10:09:48,164 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:48,164 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 172.0MB. Free memory was 141.5MB in the beginning and 141.5MB in the end (delta: 36.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:48,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.43ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 130.9MB in the end (delta: 8.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-09-13 10:09:48,165 INFO L158 Benchmark]: Boogie Preprocessor took 60.95ms. Allocated memory is still 172.0MB. Free memory was 130.9MB in the beginning and 128.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:48,166 INFO L158 Benchmark]: RCFGBuilder took 411.61ms. Allocated memory is still 172.0MB. Free memory was 128.1MB in the beginning and 112.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:09:48,166 INFO L158 Benchmark]: Referee took 612.93ms. Allocated memory is still 172.0MB. Free memory was 112.1MB in the beginning and 92.2MB in the end (delta: 19.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2024-09-13 10:09:48,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 44. Annotation is valid for all loop-free paths from loop head at line 44 to loop head at line 44. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 134.2MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 172.0MB. Free memory was 141.5MB in the beginning and 141.5MB in the end (delta: 36.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.43ms. Allocated memory is still 172.0MB. Free memory was 139.3MB in the beginning and 130.9MB in the end (delta: 8.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.95ms. Allocated memory is still 172.0MB. Free memory was 130.9MB in the beginning and 128.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.61ms. Allocated memory is still 172.0MB. Free memory was 128.1MB in the beginning and 112.1MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 612.93ms. Allocated memory is still 172.0MB. Free memory was 112.1MB in the beginning and 92.2MB in the end (delta: 19.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:48,195 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...