This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:29:46,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:46,258 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:46,261 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:46,261 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:46,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:46,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:46,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:46,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:46,304 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:46,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:46,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:46,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:46,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:46,307 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:46,308 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:46,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:46,308 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:46,310 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:46,310 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:46,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:46,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:46,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:46,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:46,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:46,312 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:46,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:46,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:46,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:46,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:46,315 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:46,315 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:46,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:46,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:46,315 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:46,315 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:46,315 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:46,315 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:46,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:46,316 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:46,316 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:46,316 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:46,316 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:46,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:46,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:46,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:46,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:46,593 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:46,594 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:46,596 INFO L431 ainManager$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 [2024-09-25 00:29:46,657 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:46,659 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:46,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-25 00:29:48,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:48,277 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:48,277 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-25 00:29:48,283 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/80f1ee477/b33058bfcf4d4b30b71d707e7f1445ed/FLAG2533ae0bd [2024-09-25 00:29:48,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/80f1ee477/b33058bfcf4d4b30b71d707e7f1445ed [2024-09-25 00:29:48,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:48,648 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:48,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:48,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:48,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:48,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:46" (1/2) ... [2024-09-25 00:29:48,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4628a046 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:48, skipping insertion in model container [2024-09-25 00:29:48,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:46" (1/2) ... [2024-09-25 00:29:48,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72e15dc6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:48, skipping insertion in model container [2024-09-25 00:29:48,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:48" (2/2) ... [2024-09-25 00:29:48,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4628a046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48, skipping insertion in model container [2024-09-25 00:29:48,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:48" (2/2) ... [2024-09-25 00:29:48,662 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:48,663 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-25 00:29:48,663 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:29:48,663 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond == 1), ensures (cond == 1) [2024-09-25 00:29:48,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:48,882 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] [2024-09-25 00:29:48,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:48,907 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:48,940 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 [2024-09-25 00:29:48,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:48,958 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:48,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48 WrapperNode [2024-09-25 00:29:48,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:48,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:48,960 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:48,960 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:48,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,981 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,990 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 [2024-09-25 00:29:48,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,999 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:48,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:49,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:49,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:49,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:49,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:49,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (1/1) ... [2024-09-25 00:29:49,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:49,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:49,030 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) [2024-09-25 00:29:49,033 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 [2024-09-25 00:29:49,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:49,108 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:49,108 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:49,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:49,184 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:49,186 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:49,383 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:49,403 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:49,427 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:49,427 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:49,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:49 BoogieIcfgContainer [2024-09-25 00:29:49,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:49,429 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:49,429 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:49,429 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:49,430 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:46" (1/4) ... [2024-09-25 00:29:49,430 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@415779e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:49, skipping insertion in model container [2024-09-25 00:29:49,430 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:48" (2/4) ... [2024-09-25 00:29:49,430 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@415779e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:49, skipping insertion in model container [2024-09-25 00:29:49,431 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:48" (3/4) ... [2024-09-25 00:29:49,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@415779e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:49, skipping insertion in model container [2024-09-25 00:29:49,431 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:49" (4/4) ... [2024-09-25 00:29:49,432 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-25 00:29:49,435 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:49,436 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:49,436 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:29:49,436 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:49,437 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:49,437 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:49,437 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:29:49,437 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:49,437 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-25 00:29:49,486 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:49,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:49,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:49,488 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:49,489 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:49,491 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,500 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:49,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,502 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:49,502 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:49,502 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:49,506 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:49,526 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:49,569 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:29:49,571 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:49,572 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:49,572 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:49,572 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:49,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,598 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:29:49,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,598 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:49,599 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:49,599 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:49,599 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:49,604 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:49,622 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:49,623 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:49,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:49,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:49,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:49,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,628 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:49,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:49,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:49,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:49,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:49,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,633 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:29:53,650 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:53,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,653 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:53,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,654 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,654 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,654 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,657 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:53,668 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:53,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,669 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,671 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:53,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,671 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,671 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,671 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,671 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,673 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:53,684 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:29:53,684 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,685 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,685 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,685 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,695 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:29:53,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,696 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,696 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,696 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,696 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,699 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:53,710 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:29:53,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:53,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:53,711 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:53,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:53,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,728 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:29:53,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:53,728 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:53,729 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:53,729 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:53,734 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:53,738 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:53,741 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:29:53,742 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@415779e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:53, skipping insertion in model container [2024-09-25 00:29:53,742 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:53,744 INFO L158 Benchmark]: Toolchain (without parser) took 5095.37ms. Allocated memory is still 180.4MB. Free memory was 99.4MB in the beginning and 97.4MB in the end (delta: 2.1MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2024-09-25 00:29:53,744 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 180.4MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:53,744 INFO L158 Benchmark]: CDTParser took 2.15ms. Allocated memory is still 180.4MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:53,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.40ms. Allocated memory is still 180.4MB. Free memory was 99.2MB in the beginning and 85.5MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-25 00:29:53,745 INFO L158 Benchmark]: Boogie Preprocessor took 41.63ms. Allocated memory is still 180.4MB. Free memory was 85.5MB in the beginning and 83.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:53,746 INFO L158 Benchmark]: RCFGBuilder took 426.33ms. Allocated memory is still 180.4MB. Free memory was 83.6MB in the beginning and 137.2MB in the end (delta: -53.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-09-25 00:29:53,746 INFO L158 Benchmark]: Referee took 4313.68ms. Allocated memory is still 180.4MB. Free memory was 137.2MB in the beginning and 97.4MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-25 00:29:53,748 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 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. 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 main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.23ms. Allocated memory is still 180.4MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 2.15ms. Allocated memory is still 180.4MB. Free memory is still 146.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.40ms. Allocated memory is still 180.4MB. Free memory was 99.2MB in the beginning and 85.5MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.63ms. Allocated memory is still 180.4MB. Free memory was 85.5MB in the beginning and 83.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.33ms. Allocated memory is still 180.4MB. Free memory was 83.6MB in the beginning and 137.2MB in the end (delta: -53.6MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Referee took 4313.68ms. Allocated memory is still 180.4MB. Free memory was 137.2MB in the beginning and 97.4MB 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. [2024-09-25 00:29:53,768 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-6908dde-m [2024-09-25 00:29:55,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:55,877 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:29:55,882 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:55,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:55,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:55,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:55,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:55,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:55,911 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:55,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:55,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:55,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:55,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:55,914 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:55,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:55,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:55,915 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:55,915 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:55,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:55,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:55,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:55,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:55,919 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:29:55,921 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:29:55,922 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:55,922 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:29:55,922 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:55,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:55,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:55,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:55,923 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:55,923 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:55,923 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:55,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:55,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:55,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:55,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:55,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:55,924 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:29:55,925 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:29:55,925 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:55,925 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:55,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:55,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:55,926 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:29:55,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:56,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:56,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:56,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:56,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:56,346 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:56,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-25 00:29:57,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:57,836 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:57,837 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-25 00:29:57,844 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/70796def5/c97c04fd8b2d456f98ca748055a12deb/FLAGba98b471d [2024-09-25 00:29:58,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/70796def5/c97c04fd8b2d456f98ca748055a12deb [2024-09-25 00:29:58,251 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:58,253 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:58,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-25 00:29:58,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:58,297 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:58,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:58,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:58,303 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:58,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:58" (1/2) ... [2024-09-25 00:29:58,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3b1a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:58, skipping insertion in model container [2024-09-25 00:29:58,307 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:58" (1/2) ... [2024-09-25 00:29:58,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4efb6adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:58, skipping insertion in model container [2024-09-25 00:29:58,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:58" (2/2) ... [2024-09-25 00:29:58,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3b1a3a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:58, skipping insertion in model container [2024-09-25 00:29:58,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:58" (2/2) ... [2024-09-25 00:29:58,343 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:58,343 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((a == v) && (b == y)) && (b == u)) && (y == 1)) && (x == 1)) && (a == x)) [2024-09-25 00:29:58,343 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond == 1), ensures (cond == 1) [2024-09-25 00:29:58,343 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:29:58,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:58,469 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] [2024-09-25 00:29:58,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:58,493 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:58,526 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 [2024-09-25 00:29:58,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:58,555 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:58,556 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:58 WrapperNode [2024-09-25 00:29:58,556 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:58,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:58,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:58,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:58,571 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 25.09 12:29:58" (1/1) ... [2024-09-25 00:29:58,571 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 25.09 12:29:58" (1/1) ... [2024-09-25 00:29:58,578 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 25.09 12:29:58" (1/1) ... [2024-09-25 00:29:58,592 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 [2024-09-25 00:29:58,592 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 25.09 12:29:58" (1/1) ... [2024-09-25 00:29:58,592 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 25.09 12:29:58" (1/1) ... [2024-09-25 00:29:58,597 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 25.09 12:29:58" (1/1) ... [2024-09-25 00:29:58,600 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 25.09 12:29:58" (1/1) ... [2024-09-25 00:29:58,601 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 25.09 12:29:58" (1/1) ... [2024-09-25 00:29:58,601 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 25.09 12:29:58" (1/1) ... [2024-09-25 00:29:58,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:58,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:58,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:58,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:58,604 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 25.09 12:29:58" (1/1) ... [2024-09-25 00:29:58,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:58,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:58,632 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) [2024-09-25 00:29:58,636 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 [2024-09-25 00:29:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:29:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:29:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:29:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:58,756 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:58,758 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:59,017 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:59,032 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:59,070 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:59,070 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:59,071 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:59 BoogieIcfgContainer [2024-09-25 00:29:59,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:59,071 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:59,071 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:59,072 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:59,072 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:58" (1/4) ... [2024-09-25 00:29:59,072 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@638b0557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:59, skipping insertion in model container [2024-09-25 00:29:59,073 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:58" (2/4) ... [2024-09-25 00:29:59,073 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@638b0557 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:59, skipping insertion in model container [2024-09-25 00:29:59,073 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 25.09 12:29:58" (3/4) ... [2024-09-25 00:29:59,073 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@638b0557 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:59, skipping insertion in model container [2024-09-25 00:29:59,073 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:59" (4/4) ... [2024-09-25 00:29:59,074 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-25 00:29:59,077 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:59,078 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:59,078 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:29:59,078 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:59,078 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:59,078 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:59,079 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:29:59,079 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:59,079 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 [2024-09-25 00:29:59,123 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:59,125 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:59,125 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:59,126 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:59,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:59,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,140 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:59,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,142 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:59,142 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:59,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:59,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,165 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:59,203 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:29:59,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:59,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:59,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:59,204 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:59,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,224 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:29:59,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,224 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:59,224 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:59,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:59,225 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,227 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:59,242 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:59,242 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:59,243 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:59,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:59,243 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:59,243 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,247 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:59,248 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,248 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:59,248 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:59,248 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:59,248 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,250 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:59,273 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:29:59,277 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:59,277 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:59,277 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:59,277 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:59,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,282 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:29:59,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:59,282 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:59,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:59,283 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,287 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:59,306 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:59,306 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:59,306 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:59,310 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:59,310 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:59,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,312 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:59,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:59,312 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:59,312 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:59,312 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,327 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:29:59,342 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:29:59,343 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:59,343 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:59,343 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:59,343 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:59,343 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,356 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:29:59,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,358 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:59,358 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:59,358 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:59,358 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,366 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:59,376 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:29:59,378 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:59,378 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:59,378 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:59,378 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:59,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,391 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:29:59,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:59,392 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:59,392 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:59,392 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:59,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:59,410 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:29:59,417 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 00:29:59,418 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@638b0557 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:29:59, skipping insertion in model container [2024-09-25 00:29:59,418 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:29:59,420 INFO L158 Benchmark]: Toolchain (without parser) took 1122.94ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 32.6MB in the beginning and 72.2MB in the end (delta: -39.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,421 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:59,421 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:29:59,422 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.59ms. Allocated memory is still 73.4MB. Free memory was 32.4MB in the beginning and 39.9MB in the end (delta: -7.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,422 INFO L158 Benchmark]: Boogie Preprocessor took 45.85ms. Allocated memory is still 73.4MB. Free memory was 39.9MB in the beginning and 37.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,424 INFO L158 Benchmark]: RCFGBuilder took 467.71ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 37.7MB in the beginning and 81.1MB in the end (delta: -43.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,424 INFO L158 Benchmark]: Referee took 347.67ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 72.2MB in the end (delta: 8.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-09-25 00:29:59,426 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 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 38. 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 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 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 73.4MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.59ms. Allocated memory is still 73.4MB. Free memory was 32.4MB in the beginning and 39.9MB in the end (delta: -7.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.85ms. Allocated memory is still 73.4MB. Free memory was 39.9MB in the beginning and 37.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.71ms. Allocated memory was 73.4MB in the beginning and 111.1MB in the end (delta: 37.7MB). Free memory was 37.7MB in the beginning and 81.1MB in the end (delta: -43.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 347.67ms. Allocated memory is still 111.1MB. Free memory was 81.1MB in the beginning and 72.2MB in the end (delta: 8.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 00:29:59,453 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...