This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:08:07,605 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:08:07,659 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:08:07,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:08:07,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:08:07,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:08:07,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:08:07,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:08:07,691 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:08:07,692 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:08:07,692 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:08:07,692 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:08:07,693 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:08:07,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:08:07,693 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:08:07,694 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:08:07,694 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:08:07,694 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:08:07,695 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:08:07,695 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:08:07,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:08:07,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:08:07,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:08:07,697 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:08:07,697 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:08:07,698 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:08:07,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:08:07,698 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:08:07,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:08:07,699 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:08:07,699 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:08:07,700 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:08:07,700 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:08:07,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:07,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:08:07,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:08:07,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:08:07,702 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:08:07,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:08:07,702 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:08:07,702 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:08:07,704 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:08:07,704 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:08:07,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:08:07,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:08:07,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:08:07,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:08:07,960 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:08:07,960 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:08:07,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark32_linear.i [2024-09-21 19:08:09,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:08:09,616 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:08:09,617 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark32_linear.i [2024-09-21 19:08:09,624 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4bc406a13/95af300da70c4e31a24801833d002735/FLAG7995ef387 [2024-09-21 19:08:09,637 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4bc406a13/95af300da70c4e31a24801833d002735 [2024-09-21 19:08:09,639 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:08:09,640 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:08:09,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/benchmark32_linear.yml/output/witness-2.1.yml [2024-09-21 19:08:09,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:08:09,694 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:08:09,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:09,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:08:09,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:08:09,703 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:09" (1/2) ... [2024-09-21 19:08:09,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df5722b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:09, skipping insertion in model container [2024-09-21 19:08:09,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:09" (1/2) ... [2024-09-21 19:08:09,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@799fc205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:09, skipping insertion in model container [2024-09-21 19:08:09,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:09" (2/2) ... [2024-09-21 19:08:09,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df5722b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:09, skipping insertion in model container [2024-09-21 19:08:09,707 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:09" (2/2) ... [2024-09-21 19:08:09,716 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:08:09,717 INFO L1541 ArrayList]: Loop invariant at [L22-L25] x == (2) || x == (1) [2024-09-21 19:08:09,717 INFO L1541 ArrayList]: Function contract at [L14]: requires cond == (1), ensures (!(cond == (1)) || (1)) [2024-09-21 19:08:09,718 INFO L1541 ArrayList]: Function contract at [L19]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:09,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:08:09,896 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/loop-zilu/benchmark32_linear.i[868,881] [2024-09-21 19:08:09,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:09,929 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:08:09,966 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/loop-zilu/benchmark32_linear.i[868,881] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:08:09,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:09,984 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:08:09,985 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:09 WrapperNode [2024-09-21 19:08:09,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:09,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:08:09,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:08:09,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:08:10,004 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 21.09 07:08:09" (1/1) ... [2024-09-21 19:08:10,004 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 21.09 07:08:09" (1/1) ... [2024-09-21 19:08:10,011 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 21.09 07:08:09" (1/1) ... [2024-09-21 19:08:10,025 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:08:10,025 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 21.09 07:08:09" (1/1) ... [2024-09-21 19:08:10,025 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 21.09 07:08:09" (1/1) ... [2024-09-21 19:08:10,032 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 21.09 07:08:09" (1/1) ... [2024-09-21 19:08:10,035 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 21.09 07:08:09" (1/1) ... [2024-09-21 19:08:10,036 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 21.09 07:08:09" (1/1) ... [2024-09-21 19:08:10,037 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 21.09 07:08:09" (1/1) ... [2024-09-21 19:08:10,043 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:08:10,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:08:10,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:08:10,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:08:10,049 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 21.09 07:08:09" (1/1) ... [2024-09-21 19:08:10,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:10,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:08:10,087 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) [2024-09-21 19:08:10,091 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 [2024-09-21 19:08:10,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:08:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:08:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:08:10,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:08:10,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:08:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:08:10,142 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-21 19:08:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-21 19:08:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:08:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:08:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:08:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 19:08:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:08:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:08:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:08:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:08:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:08:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:08:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:08:10,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:08:10,220 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:08:10,224 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:08:10,253 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:10,325 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:10,335 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:08:10,361 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:08:10,361 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:08:10,361 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:10 BoogieIcfgContainer [2024-09-21 19:08:10,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:08:10,362 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:08:10,362 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:08:10,363 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:08:10,363 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:08:09" (1/4) ... [2024-09-21 19:08:10,363 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6146c2b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:10, skipping insertion in model container [2024-09-21 19:08:10,364 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:09" (2/4) ... [2024-09-21 19:08:10,364 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6146c2b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:10, skipping insertion in model container [2024-09-21 19:08:10,364 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 21.09 07:08:09" (3/4) ... [2024-09-21 19:08:10,364 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6146c2b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:10, skipping insertion in model container [2024-09-21 19:08:10,364 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:10" (4/4) ... [2024-09-21 19:08:10,366 INFO L79 RefereeObserver]: Analyzing ICFG benchmark32_linear.i [2024-09-21 19:08:10,370 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:08:10,370 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:08:10,371 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:10,371 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:08:10,371 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:08:10,371 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 19:08:10,372 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:10,372 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:08:10,372 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:10,373 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 4 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 19:08:10,411 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:08:10,413 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:10,413 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:10,414 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:10,415 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:10,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,441 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:08:10,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,446 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:10,446 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:10,447 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:10,459 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:10,475 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:10,488 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:10,488 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:10,489 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:10,489 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:10,489 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:10,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,492 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:10,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,492 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:10,493 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:10,493 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:10,493 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:10,497 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:10,507 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 19:08:10,507 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:10,508 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:10,508 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:10,508 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:10,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,519 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 19:08:10,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,519 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:10,520 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:10,520 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:10,521 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:10,524 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:10,533 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:10,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:10,535 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:10,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:10,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:10,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,539 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:10,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,541 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:10,541 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:10,541 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:10,541 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:10,543 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:10,551 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 19:08:10,552 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:10,552 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:10,552 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:10,552 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:10,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,562 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 19:08:10,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:10,563 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:10,563 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:10,564 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:10,566 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:10,572 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:10,572 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:10,572 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:10,572 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:10,572 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:10,572 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,573 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:10,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,573 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:10,573 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:10,573 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:10,573 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:10,575 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:10,579 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:08:10,579 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:10,580 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:10,580 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:10,580 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:10,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,583 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:08:10,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,583 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:10,583 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:10,583 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:10,584 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:10,585 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:10,591 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:10,591 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:10,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:10,591 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:10,591 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:10,591 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,593 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:10,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:10,593 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:10,593 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:10,593 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:10,594 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:10,595 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 19:08:10,599 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 19:08:10,599 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6146c2b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:08:10, skipping insertion in model container [2024-09-21 19:08:10,599 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:08:10,600 INFO L158 Benchmark]: Toolchain (without parser) took 905.67ms. Allocated memory was 134.2MB in the beginning and 197.1MB in the end (delta: 62.9MB). Free memory was 75.6MB in the beginning and 135.4MB in the end (delta: -59.8MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-09-21 19:08:10,601 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 134.2MB. Free memory was 100.1MB in the beginning and 100.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:10,601 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:10,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.57ms. Allocated memory was 134.2MB in the beginning and 197.1MB in the end (delta: 62.9MB). Free memory was 75.6MB in the beginning and 165.6MB in the end (delta: -89.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-09-21 19:08:10,602 INFO L158 Benchmark]: Boogie Preprocessor took 61.33ms. Allocated memory is still 197.1MB. Free memory was 165.6MB in the beginning and 166.9MB in the end (delta: -1.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-09-21 19:08:10,603 INFO L158 Benchmark]: RCFGBuilder took 314.18ms. Allocated memory is still 197.1MB. Free memory was 166.9MB in the beginning and 154.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:08:10,603 INFO L158 Benchmark]: Referee took 237.10ms. Allocated memory is still 197.1MB. Free memory was 154.3MB in the beginning and 135.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-21 19:08:10,606 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 main to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to check that procedure precondition always holds at line 22. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 134.2MB. Free memory was 100.1MB in the beginning and 100.1MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 134.2MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.57ms. Allocated memory was 134.2MB in the beginning and 197.1MB in the end (delta: 62.9MB). Free memory was 75.6MB in the beginning and 165.6MB in the end (delta: -89.9MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.33ms. Allocated memory is still 197.1MB. Free memory was 165.6MB in the beginning and 166.9MB in the end (delta: -1.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * RCFGBuilder took 314.18ms. Allocated memory is still 197.1MB. Free memory was 166.9MB in the beginning and 154.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 237.10ms. Allocated memory is still 197.1MB. Free memory was 154.3MB in the beginning and 135.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 19:08:10,633 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...