This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:24,017 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:24,085 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:28:24,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:24,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:24,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:24,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:24,121 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:24,122 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:24,124 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:24,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:24,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:24,125 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:24,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:24,126 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:24,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:24,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:24,129 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:24,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:28:24,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:24,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:24,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:24,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:24,134 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:24,134 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:24,134 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:24,134 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:24,135 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:24,135 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:24,135 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:24,135 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:24,135 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:24,136 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:24,136 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:24,138 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:24,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:24,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:24,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:28:24,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:28:24,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:24,139 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:24,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:24,140 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:24,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:24,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:24,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:24,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:24,386 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:24,387 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:24,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-20 13:28:24,486 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:24,487 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:24,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-20 13:28:25,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:26,015 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:26,015 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-20 13:28:26,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f0fc23ef9/47170eb7ef1f4cc0bd8556e63cfec024/FLAGa7f28104c [2024-09-20 13:28:26,413 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f0fc23ef9/47170eb7ef1f4cc0bd8556e63cfec024 [2024-09-20 13:28:26,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:26,415 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:26,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:26,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:26,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:26,421 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 01:28:24" (1/2) ... [2024-09-20 13:28:26,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52243e55 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26, skipping insertion in model container [2024-09-20 13:28:26,422 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 01:28:24" (1/2) ... [2024-09-20 13:28:26,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cba2e05 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:26, skipping insertion in model container [2024-09-20 13:28:26,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:26" (2/2) ... [2024-09-20 13:28:26,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52243e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26, skipping insertion in model container [2024-09-20 13:28:26,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:26" (2/2) ... [2024-09-20 13:28:26,431 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:26,431 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-20 13:28:26,432 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:26,432 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:26,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:26,586 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_valuebound5.c[537,550] [2024-09-20 13:28:26,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:26,612 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:26,648 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_valuebound5.c[537,550] Start Parsing Local [2024-09-20 13:28:26,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:26,685 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:26,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26 WrapperNode [2024-09-20 13:28:26,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:26,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:26,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:26,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:26,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,707 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,718 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 13:28:26,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,753 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:26,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:26,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:26,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:26,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (1/1) ... [2024-09-20 13:28:26,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:26,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:26,838 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 13:28:26,841 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 13:28:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:26,888 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:26,888 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:28:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:26,958 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:26,960 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:27,247 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:27,263 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:27,289 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:27,290 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:27,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:27 BoogieIcfgContainer [2024-09-20 13:28:27,290 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:27,291 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:27,291 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:27,296 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:27,296 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 01:28:24" (1/4) ... [2024-09-20 13:28:27,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@617dca82 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:27, skipping insertion in model container [2024-09-20 13:28:27,297 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:26" (2/4) ... [2024-09-20 13:28:27,297 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@617dca82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:27, skipping insertion in model container [2024-09-20 13:28:27,297 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:26" (3/4) ... [2024-09-20 13:28:27,297 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@617dca82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:27, skipping insertion in model container [2024-09-20 13:28:27,297 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:27" (4/4) ... [2024-09-20 13:28:27,299 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-20 13:28:27,303 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:27,304 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 13:28:27,304 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 13:28:27,304 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 13:28:27,305 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 13:28:27,305 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 13:28:27,305 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 13:28:27,305 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 13:28:27,306 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-20 13:28:27,371 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:27,374 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:27,374 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:27,375 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:27,376 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:27,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,389 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:27,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,390 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:27,390 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:27,391 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:27,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:27,409 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:27,432 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:27,433 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:27,433 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:27,433 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:27,433 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:27,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,458 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:27,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,459 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:27,459 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:27,459 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:27,464 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:27,467 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:27,494 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:27,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:27,495 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:27,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:27,495 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:27,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,501 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:27,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:27,502 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:27,502 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:27,502 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:27,502 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,506 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:31,532 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:31,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,536 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:31,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,541 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,544 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:31,560 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:31,561 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,561 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,561 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,561 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,563 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:31,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,564 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,564 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,567 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:31,587 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:31,588 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,588 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,588 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,605 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:31,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,607 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,607 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,607 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,607 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:31,611 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:31,626 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:31,627 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:31,627 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:31,627 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:31,627 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:31,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,656 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:31,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:31,657 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:31,657 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:31,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:31,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:35,678 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:35,685 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:35,685 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@617dca82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:35, skipping insertion in model container [2024-09-20 13:28:35,686 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:35,687 INFO L158 Benchmark]: Toolchain (without parser) took 9271.84ms. Allocated memory is still 167.8MB. Free memory was 94.7MB in the beginning and 76.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-09-20 13:28:35,688 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:35,688 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:35,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.69ms. Allocated memory is still 167.8MB. Free memory was 94.5MB in the beginning and 80.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:35,689 INFO L158 Benchmark]: Boogie Preprocessor took 82.85ms. Allocated memory is still 167.8MB. Free memory was 80.8MB in the beginning and 138.7MB in the end (delta: -57.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-09-20 13:28:35,690 INFO L158 Benchmark]: RCFGBuilder took 520.35ms. Allocated memory is still 167.8MB. Free memory was 138.7MB in the beginning and 121.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:35,690 INFO L158 Benchmark]: Referee took 8394.92ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 76.8MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:35,693 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 loop head at line 37. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. 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: * Witness Parser took 0.19ms. Allocated memory is still 167.8MB. Free memory is still 122.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 140.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.69ms. Allocated memory is still 167.8MB. Free memory was 94.5MB in the beginning and 80.8MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.85ms. Allocated memory is still 167.8MB. Free memory was 80.8MB in the beginning and 138.7MB in the end (delta: -57.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 520.35ms. Allocated memory is still 167.8MB. Free memory was 138.7MB in the beginning and 121.0MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8394.92ms. Allocated memory is still 167.8MB. Free memory was 121.0MB in the beginning and 76.8MB in the end (delta: 44.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:35,721 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:28:37,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:28:38,023 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:28:38,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:28:38,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:28:38,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:28:38,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:28:38,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:28:38,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:28:38,064 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:28:38,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:28:38,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:28:38,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:28:38,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:28:38,070 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:28:38,071 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:28:38,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:28:38,071 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:28:38,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:28:38,072 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:28:38,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:28:38,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:28:38,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:28:38,077 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:28:38,077 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:28:38,078 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:28:38,078 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:28:38,078 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:28:38,079 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:28:38,079 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:28:38,079 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:28:38,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:28:38,079 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:28:38,080 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:28:38,080 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:28:38,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:38,081 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:28:38,081 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:28:38,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:28:38,081 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:28:38,081 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:28:38,082 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:28:38,082 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:28:38,083 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:28:38,083 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:28:38,084 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:28:38,084 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:28:38,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:28:38,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:28:38,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:28:38,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:28:38,453 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:28:38,455 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-20 13:28:40,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:28:40,256 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:28:40,257 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-20 13:28:40,266 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1c17583a8/d2ed2472fa304349bf440fc82dbb9065/FLAGdd4fee09e [2024-09-20 13:28:40,284 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1c17583a8/d2ed2472fa304349bf440fc82dbb9065 [2024-09-20 13:28:40,287 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:28:40,289 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:28:40,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-20 13:28:40,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:28:40,355 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:28:40,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:40,358 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:28:40,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:28:40,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:40" (1/2) ... [2024-09-20 13:28:40,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d6aa31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:40, skipping insertion in model container [2024-09-20 13:28:40,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:28:40" (1/2) ... [2024-09-20 13:28:40,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9cc4256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:28:40, skipping insertion in model container [2024-09-20 13:28:40,369 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 01:28:40" (2/2) ... [2024-09-20 13:28:40,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d6aa31 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:40, skipping insertion in model container [2024-09-20 13:28:40,369 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 01:28:40" (2/2) ... [2024-09-20 13:28:40,381 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:28:40,382 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-20 13:28:40,382 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:28:40,382 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:28:40,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:28:40,588 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_valuebound5.c[537,550] [2024-09-20 13:28:40,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:40,631 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:28:40,675 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_valuebound5.c[537,550] Start Parsing Local [2024-09-20 13:28:40,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:28:40,712 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:28:40,713 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:28:40 WrapperNode [2024-09-20 13:28:40,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:28:40,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:28:40,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:28:40,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:28:40,728 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 01:28:40" (1/1) ... [2024-09-20 13:28:40,729 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 01:28:40" (1/1) ... [2024-09-20 13:28:40,738 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 01:28:40" (1/1) ... [2024-09-20 13:28:40,753 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 13:28:40,754 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 01:28:40" (1/1) ... [2024-09-20 13:28:40,754 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 01:28:40" (1/1) ... [2024-09-20 13:28:40,763 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 01:28:40" (1/1) ... [2024-09-20 13:28:40,767 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 01:28:40" (1/1) ... [2024-09-20 13:28:40,768 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 01:28:40" (1/1) ... [2024-09-20 13:28:40,771 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 01:28:40" (1/1) ... [2024-09-20 13:28:40,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:28:40,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:28:40,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:28:40,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:28:40,779 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 01:28:40" (1/1) ... [2024-09-20 13:28:40,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:28:40,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:28:40,815 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 13:28:40,819 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 13:28:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:28:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:28:40,869 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:28:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:28:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:28:40,870 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:28:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:28:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:28:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:28:40,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:28:40,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:28:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:28:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:28:40,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:28:40,957 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:28:40,959 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:28:41,565 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:28:41,600 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:28:41,634 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:28:41,638 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:28:41,639 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:28:41 BoogieIcfgContainer [2024-09-20 13:28:41,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:28:41,640 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:28:41,642 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:28:41,643 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:28:41,643 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:28:40" (1/4) ... [2024-09-20 13:28:41,644 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@652687b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:28:41, skipping insertion in model container [2024-09-20 13:28:41,644 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 01:28:40" (2/4) ... [2024-09-20 13:28:41,644 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@652687b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:41, skipping insertion in model container [2024-09-20 13:28:41,644 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 01:28:40" (3/4) ... [2024-09-20 13:28:41,644 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@652687b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:28:41, skipping insertion in model container [2024-09-20 13:28:41,645 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 01:28:41" (4/4) ... [2024-09-20 13:28:41,646 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-20 13:28:41,651 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:28:41,652 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 13:28:41,652 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 13:28:41,653 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 13:28:41,653 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 13:28:41,653 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 13:28:41,653 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 13:28:41,654 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 13:28:41,654 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 13:28:41,727 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:28:41,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:41,728 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:41,729 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:41,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:41,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:41,744 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:28:41,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:41,746 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:41,746 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:41,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:41,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:41,772 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:41,808 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:28:41,808 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:41,808 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:41,808 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:41,808 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:41,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:41,830 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:28:41,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:41,831 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:41,831 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:41,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:41,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:41,833 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:41,847 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:41,848 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:41,848 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:41,848 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:41,848 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:41,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:41,852 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:41,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:41,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:41,852 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:41,852 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:41,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:45,905 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:45,932 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:45,932 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:45,933 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:45,933 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:45,933 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:45,933 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:45,935 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:45,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:45,936 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:45,936 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:45,936 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:45,937 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:45,943 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:45,956 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:45,956 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:45,956 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:45,956 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:45,956 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:45,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:45,958 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:45,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:45,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:45,959 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:45,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:45,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:45,961 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:45,973 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-20 13:28:45,973 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:45,973 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:45,974 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:45,974 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:45,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:45,994 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-20 13:28:45,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:45,995 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:45,995 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:45,995 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:45,996 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:46,020 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:46,036 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 13:28:46,036 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:46,036 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:46,036 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:46,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:46,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:46,052 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 13:28:46,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:46,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:46,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:46,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:46,058 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:50,168 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:50,200 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:50,201 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@652687b1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:50, skipping insertion in model container [2024-09-20 13:28:50,201 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:50,203 INFO L158 Benchmark]: Toolchain (without parser) took 9847.61ms. Allocated memory is still 75.5MB. Free memory was 41.7MB in the beginning and 40.4MB in the end (delta: 1.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2024-09-20 13:28:50,204 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory was 28.9MB in the beginning and 28.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:50,204 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:50,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.98ms. Allocated memory is still 75.5MB. Free memory was 41.5MB in the beginning and 47.3MB in the end (delta: -5.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:50,205 INFO L158 Benchmark]: Boogie Preprocessor took 63.10ms. Allocated memory is still 75.5MB. Free memory was 47.3MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:50,205 INFO L158 Benchmark]: RCFGBuilder took 861.26ms. Allocated memory is still 75.5MB. Free memory was 45.2MB in the beginning and 29.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:50,206 INFO L158 Benchmark]: Referee took 8561.75ms. Allocated memory is still 75.5MB. Free memory was 29.5MB in the beginning and 40.9MB in the end (delta: -11.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-20 13:28:50,210 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 loop head at line 37. 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 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 main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 52.4MB. Free memory was 28.9MB in the beginning and 28.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 75.5MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.98ms. Allocated memory is still 75.5MB. Free memory was 41.5MB in the beginning and 47.3MB in the end (delta: -5.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.10ms. Allocated memory is still 75.5MB. Free memory was 47.3MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 861.26ms. Allocated memory is still 75.5MB. Free memory was 45.2MB in the beginning and 29.8MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8561.75ms. Allocated memory is still 75.5MB. Free memory was 29.5MB in the beginning and 40.9MB in the end (delta: -11.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:50,268 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...