This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:10,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:10,885 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:10,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:10,890 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:10,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:10,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:10,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:10,927 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:10,928 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:10,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:10,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:10,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:10,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:10,930 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:10,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:10,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:10,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:10,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:10,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:10,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:10,933 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:10,933 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:10,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:10,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:10,934 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:10,934 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:10,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:10,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:10,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:10,936 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:10,936 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:10,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:10,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:10,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:10,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:10,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:10,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:10,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:10,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:10,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:10,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:10,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:10,948 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:11,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:11,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:11,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:11,225 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:11,226 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:11,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-20 13:28:12,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:12,756 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:12,757 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-20 13:28:12,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/16ac8760d/0dc5b587ba37403a97c58cb620200474/FLAG6fc1d94f6 [2024-09-20 13:28:12,775 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/16ac8760d/0dc5b587ba37403a97c58cb620200474 [2024-09-20 13:28:12,777 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:12,779 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:12,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-20 13:28:12,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:12,831 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:12,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:12,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:12,839 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:12,839 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:12" (1/2) ... [2024-09-20 13:28:12,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbe2b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:12, skipping insertion in model container [2024-09-20 13:28:12,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:12" (1/2) ... [2024-09-20 13:28:12,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2c160331 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:12, skipping insertion in model container [2024-09-20 13:28:12,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:12" (2/2) ... [2024-09-20 13:28:12,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bbe2b61 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:12, skipping insertion in model container [2024-09-20 13:28:12,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:12" (2/2) ... [2024-09-20 13:28:12,854 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:12,855 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-20 13:28:12,855 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-20 13:28:12,855 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:12,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:13,016 WARN L248 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_valuebound1.c[537,550] [2024-09-20 13:28:13,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:13,042 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:13,078 WARN L248 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_valuebound1.c[537,550] Start Parsing Local [2024-09-20 13:28:13,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:13,110 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:13,111 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:13 WrapperNode [2024-09-20 13:28:13,111 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:13,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:13,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:13,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:13,129 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 20.09 01:28:13" (1/1) ... [2024-09-20 13:28:13,130 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 20.09 01:28:13" (1/1) ... [2024-09-20 13:28:13,135 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 20.09 01:28:13" (1/1) ... [2024-09-20 13:28:13,151 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 [2024-09-20 13:28:13,152 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 20.09 01:28:13" (1/1) ... [2024-09-20 13:28:13,152 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 20.09 01:28:13" (1/1) ... [2024-09-20 13:28:13,156 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 20.09 01:28:13" (1/1) ... [2024-09-20 13:28:13,161 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 20.09 01:28:13" (1/1) ... [2024-09-20 13:28:13,163 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 20.09 01:28:13" (1/1) ... [2024-09-20 13:28:13,167 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 20.09 01:28:13" (1/1) ... [2024-09-20 13:28:13,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:13,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:13,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:13,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:13,171 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 20.09 01:28:13" (1/1) ... [2024-09-20 13:28:13,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:13,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:13,204 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) [2024-09-20 13:28:13,210 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 [2024-09-20 13:28:13,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:13,308 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:13,310 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:13,496 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:13,516 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:13,547 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:13,548 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:13,548 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:13 BoogieIcfgContainer [2024-09-20 13:28:13,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:13,549 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:13,549 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:13,553 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:13,553 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:12" (1/4) ... [2024-09-20 13:28:13,554 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@622e2b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:13, skipping insertion in model container [2024-09-20 13:28:13,555 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:12" (2/4) ... [2024-09-20 13:28:13,555 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@622e2b1c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:13, skipping insertion in model container [2024-09-20 13:28:13,555 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 20.09 01:28:13" (3/4) ... [2024-09-20 13:28:13,556 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@622e2b1c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:13, skipping insertion in model container [2024-09-20 13:28:13,556 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:13" (4/4) ... [2024-09-20 13:28:13,557 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-20 13:28:13,561 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:13,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:13,562 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:28:13,562 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:13,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:13,562 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:13,563 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:28:13,563 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:13,564 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-20 13:28:13,644 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:13,646 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:13,646 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:13,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:13,648 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:13,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,661 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:13,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,662 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:13,662 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:13,663 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:13,666 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:13,682 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:13,720 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:13,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:13,721 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:13,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:13,721 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:13,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,740 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:13,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:13,741 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:13,741 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:13,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:13,743 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:13,763 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:13,764 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:13,764 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:13,764 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:13,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:13,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,771 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:13,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:13,771 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:13,772 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:13,772 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:13,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,777 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:17,808 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:17,812 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,812 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,813 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,813 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,816 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:17,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,816 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,817 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,817 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,817 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,823 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:17,850 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:17,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,851 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,854 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:17,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,855 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,855 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,856 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,858 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:17,873 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:17,874 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,874 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,896 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:17,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,896 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,896 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,897 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,901 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:17,916 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:17,916 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:17,917 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:17,917 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:17,918 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:17,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,942 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:17,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:17,943 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:17,943 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:17,943 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:17,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:17,957 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:17,962 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:17,962 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@622e2b1c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:17, skipping insertion in model container [2024-09-20 13:28:17,962 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:17,966 INFO L158 Benchmark]: Toolchain (without parser) took 5132.26ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 60.1MB in the end (delta: 70.6MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2024-09-20 13:28:17,967 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:17,968 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:17,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.18ms. Allocated memory is still 165.7MB. Free memory was 130.0MB in the beginning and 116.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:17,969 INFO L158 Benchmark]: Boogie Preprocessor took 57.36ms. Allocated memory is still 165.7MB. Free memory was 116.6MB in the beginning and 114.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:17,970 INFO L158 Benchmark]: RCFGBuilder took 378.46ms. Allocated memory is still 165.7MB. Free memory was 114.6MB in the beginning and 99.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:17,971 INFO L158 Benchmark]: Referee took 4413.38ms. Allocated memory is still 165.7MB. Free memory was 99.9MB in the beginning and 60.1MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:17,973 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 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 132.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.18ms. Allocated memory is still 165.7MB. Free memory was 130.0MB in the beginning and 116.6MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.36ms. Allocated memory is still 165.7MB. Free memory was 116.6MB in the beginning and 114.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.46ms. Allocated memory is still 165.7MB. Free memory was 114.6MB in the beginning and 99.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4413.38ms. Allocated memory is still 165.7MB. Free memory was 99.9MB in the beginning and 60.1MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:17,995 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:20,070 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:20,149 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:20,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:20,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:20,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:20,187 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:20,187 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:20,188 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:20,189 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:20,189 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:20,190 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:20,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:20,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:20,194 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:20,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:20,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:20,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:20,195 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:20,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:20,196 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:20,199 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:20,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:20,200 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:20,200 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:20,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:20,201 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:20,201 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:20,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:20,202 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:20,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:20,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:20,203 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:20,203 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:20,203 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:20,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:20,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:20,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:20,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:20,204 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:20,204 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:20,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:20,206 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:20,206 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:20,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:20,207 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:20,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:20,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:20,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:20,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:20,548 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:20,549 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:20,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-20 13:28:20,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:20,625 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:20,626 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-20 13:28:22,178 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:22,350 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:22,351 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-20 13:28:22,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/15f56f3b9/8e4e55b51626456989253f0df9575a7e/FLAGd916a7385 [2024-09-20 13:28:22,381 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/15f56f3b9/8e4e55b51626456989253f0df9575a7e [2024-09-20 13:28:22,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:22,383 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:22,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:22,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:22,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:22,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:20" (1/2) ... [2024-09-20 13:28:22,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e78ab2e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:22, skipping insertion in model container [2024-09-20 13:28:22,396 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:20" (1/2) ... [2024-09-20 13:28:22,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36da5896 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:22, skipping insertion in model container [2024-09-20 13:28:22,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:22" (2/2) ... [2024-09-20 13:28:22,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e78ab2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22, skipping insertion in model container [2024-09-20 13:28:22,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:22" (2/2) ... [2024-09-20 13:28:22,410 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:22,411 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-20 13:28:22,411 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-20 13:28:22,411 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:22,436 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:22,631 WARN L248 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_valuebound1.c[537,550] [2024-09-20 13:28:22,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:22,668 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:22,727 WARN L248 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_valuebound1.c[537,550] Start Parsing Local [2024-09-20 13:28:22,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:22,759 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:22,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22 WrapperNode [2024-09-20 13:28:22,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:22,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:22,761 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:22,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:22,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,780 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,793 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 [2024-09-20 13:28:22,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,793 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,802 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,806 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:22,807 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:22,807 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:22,807 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:22,808 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (1/1) ... [2024-09-20 13:28:22,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:22,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:22,831 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) [2024-09-20 13:28:22,832 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 [2024-09-20 13:28:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:22,957 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:22,959 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:23,284 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:23,307 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:23,347 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:23,347 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:23,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:23 BoogieIcfgContainer [2024-09-20 13:28:23,347 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:23,349 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:23,349 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:23,350 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:23,350 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:28:20" (1/4) ... [2024-09-20 13:28:23,351 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@460859b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:23, skipping insertion in model container [2024-09-20 13:28:23,351 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:22" (2/4) ... [2024-09-20 13:28:23,351 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@460859b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:23, skipping insertion in model container [2024-09-20 13:28:23,351 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:22" (3/4) ... [2024-09-20 13:28:23,351 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@460859b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:23, skipping insertion in model container [2024-09-20 13:28:23,352 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:23" (4/4) ... [2024-09-20 13:28:23,353 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-20 13:28:23,356 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:23,357 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:28:23,357 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:28:23,358 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:23,358 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:28:23,358 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:28:23,358 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:28:23,358 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:28:23,359 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-20 13:28:23,414 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:23,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:23,417 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:23,417 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:23,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:23,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,432 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:23,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,433 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:23,433 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:23,434 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:23,439 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,456 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:23,487 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:23,490 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:23,490 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:23,490 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:23,491 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:23,491 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,516 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:23,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,516 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:23,516 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:23,517 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:23,517 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,523 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:23,553 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:23,553 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:23,554 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:23,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:23,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:23,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,561 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:23,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:23,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:23,561 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:23,561 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,566 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:23,589 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:23,590 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:23,590 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:23,590 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:23,590 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:23,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,594 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:23,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,595 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:23,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:23,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:23,595 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,598 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:23,619 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:23,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:23,619 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:23,619 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:23,619 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:23,619 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,621 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:23,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:23,623 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:23,623 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:23,623 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,625 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:23,639 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:23,639 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:23,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:23,639 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:23,639 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:23,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,653 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:23,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,654 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:23,654 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:23,658 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:23,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,661 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:23,679 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:23,679 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:23,679 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:23,680 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:23,680 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:23,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,703 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:23,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:23,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:23,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:23,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:23,710 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:23,729 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:23,736 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:28:23,736 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@460859b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:23, skipping insertion in model container [2024-09-20 13:28:23,736 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:23,738 INFO L158 Benchmark]: Toolchain (without parser) took 1354.20ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 39.8MB in the end (delta: 21.5MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,738 INFO L158 Benchmark]: Witness Parser took 0.44ms. Allocated memory is still 58.7MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:23,739 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:23,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.70ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 70.3MB in the end (delta: -9.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,740 INFO L158 Benchmark]: Boogie Preprocessor took 45.68ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 68.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,740 INFO L158 Benchmark]: RCFGBuilder took 540.72ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 52.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,741 INFO L158 Benchmark]: Referee took 387.61ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 39.8MB in the end (delta: 12.4MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-09-20 13:28:23,744 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 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.44ms. Allocated memory is still 58.7MB. Free memory was 30.8MB in the beginning and 30.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 41.8MB in the beginning and 41.8MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.70ms. Allocated memory is still 92.3MB. Free memory was 61.1MB in the beginning and 70.3MB in the end (delta: -9.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.68ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 68.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.72ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 52.2MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 387.61ms. Allocated memory is still 92.3MB. Free memory was 52.2MB in the beginning and 39.8MB in the end (delta: 12.4MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:28:23,774 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...