This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:01:50,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:01:50,498 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:01:50,503 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:01:50,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:01:50,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:01:50,525 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:01:50,525 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:01:50,526 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:01:50,534 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:01:50,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:01:50,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:01:50,537 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:01:50,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:01:50,538 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:01:50,538 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:01:50,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:01:50,539 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:01:50,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:01:50,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:01:50,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:01:50,542 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:01:50,542 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:01:50,542 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:01:50,542 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:01:50,543 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:01:50,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:01:50,543 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:01:50,543 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:01:50,543 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:01:50,543 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:01:50,544 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:01:50,544 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:01:50,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:01:50,544 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:01:50,544 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:01:50,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:01:50,544 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:01:50,544 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:01:50,545 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:01:50,545 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:01:50,545 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:01:50,545 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:01:50,545 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:01:50,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:01:50,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:01:50,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:01:50,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:01:50,747 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:01:50,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/sum01-2.i [2024-09-13 05:01:51,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:01:52,076 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:01:52,076 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/sum01-2.i [2024-09-13 05:01:52,081 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a0588a78d/d4499fd2c24c4f62a1ce16a40584414d/FLAG828cec108 [2024-09-13 05:01:52,091 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a0588a78d/d4499fd2c24c4f62a1ce16a40584414d [2024-09-13 05:01:52,092 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:01:52,093 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:01:52,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum01-2.yml/witness-2.1.yml [2024-09-13 05:01:52,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:01:52,129 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:01:52,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:01:52,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:01:52,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:01:52,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:01:52" (1/2) ... [2024-09-13 05:01:52,135 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@884734e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:52, skipping insertion in model container [2024-09-13 05:01:52,135 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:01:52" (1/2) ... [2024-09-13 05:01:52,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46b99894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:01:52, skipping insertion in model container [2024-09-13 05:01:52,136 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:01:52" (2/2) ... [2024-09-13 05:01:52,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@884734e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52, skipping insertion in model container [2024-09-13 05:01:52,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:01:52" (2/2) ... [2024-09-13 05:01:52,141 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:01:52,142 INFO L1541 ArrayList]: Loop invariant at [L25-L27] (((sn == 0) && (i == 1)) || ((sn <= ((long long) n * 2)) && ((2 + sn) == ((long long) i * 2)))) [2024-09-13 05:01:52,142 INFO L1541 ArrayList]: Function contract at [L15]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:01:52,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:01:52,264 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/sum01-2.i[849,862] [2024-09-13 05:01:52,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:01:52,278 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:01:52,316 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/sum01-2.i[849,862] Start Parsing Local [2024-09-13 05:01:52,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:01:52,335 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:01:52,344 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52 WrapperNode [2024-09-13 05:01:52,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:01:52,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:01:52,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:01:52,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:01:52,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (1/1) ... [2024-09-13 05:01:52,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (1/1) ... [2024-09-13 05:01:52,358 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (1/1) ... [2024-09-13 05:01:52,364 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 [2024-09-13 05:01:52,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (1/1) ... [2024-09-13 05:01:52,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (1/1) ... [2024-09-13 05:01:52,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (1/1) ... [2024-09-13 05:01:52,368 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (1/1) ... [2024-09-13 05:01:52,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (1/1) ... [2024-09-13 05:01:52,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (1/1) ... [2024-09-13 05:01:52,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:01:52,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:01:52,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:01:52,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:01:52,371 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (1/1) ... [2024-09-13 05:01:52,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:01:52,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:01:52,391 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:01:52,393 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:01:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:01:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:01:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:01:52,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:01:52,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:01:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:01:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:01:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:01:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:01:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:01:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:01:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:01:52,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:01:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:01:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:01:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:01:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:01:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:01:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:01:52,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:01:52,484 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:01:52,487 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:01:52,559 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:01:52,567 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:01:52,583 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:01:52,584 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:01:52,584 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:01:52 BoogieIcfgContainer [2024-09-13 05:01:52,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:01:52,585 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:01:52,585 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:01:52,585 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:01:52,585 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:01:52" (1/4) ... [2024-09-13 05:01:52,586 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@632b933f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:01:52, skipping insertion in model container [2024-09-13 05:01:52,586 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:01:52" (2/4) ... [2024-09-13 05:01:52,586 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@632b933f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:01:52, skipping insertion in model container [2024-09-13 05:01:52,586 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:01:52" (3/4) ... [2024-09-13 05:01:52,586 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@632b933f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:01:52, skipping insertion in model container [2024-09-13 05:01:52,587 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:01:52" (4/4) ... [2024-09-13 05:01:52,588 INFO L79 RefereeObserver]: Analyzing ICFG sum01-2.i [2024-09-13 05:01:52,590 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:01:52,591 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:01:52,591 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:01:52,591 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:01:52,591 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:01:52,591 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:01:52,592 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 05:01:52,617 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:01:52,618 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:52,618 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:52,618 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:52,619 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:52,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:52,630 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:01:52,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:52,632 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:52,632 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:52,632 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:52,636 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:52,656 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:01:52,669 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:01:52,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:52,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:52,670 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:52,670 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:52,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:52,676 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:01:52,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:52,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:52,680 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:52,680 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:52,680 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:52,684 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:52,695 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:01:52,699 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:52,699 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:52,699 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:52,699 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:52,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:52,708 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:01:52,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:52,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:52,712 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:52,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:52,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:52,718 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:01:52,728 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:01:52,728 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:52,732 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:52,732 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:52,732 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:52,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:52,735 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:01:52,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:52,735 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:52,735 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:52,735 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:52,736 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:52,741 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:01:52,748 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:01:52,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:01:52,752 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:01:52,752 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:01:52,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:01:52,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:52,754 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:01:52,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:01:52,754 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:01:52,755 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:01:52,755 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:01:52,755 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:01:52,756 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:01:52,759 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:01:52,761 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@632b933f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:01:52, skipping insertion in model container [2024-09-13 05:01:52,762 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:01:52,763 INFO L158 Benchmark]: Toolchain (without parser) took 633.16ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 68.7MB in the beginning and 129.3MB in the end (delta: -60.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:01:52,764 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:01:52,764 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:01:52,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 214.93ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 68.5MB in the beginning and 156.6MB in the end (delta: -88.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-09-13 05:01:52,766 INFO L158 Benchmark]: Boogie Preprocessor took 24.80ms. Allocated memory is still 186.6MB. Free memory was 156.6MB in the beginning and 155.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:01:52,766 INFO L158 Benchmark]: RCFGBuilder took 213.46ms. Allocated memory is still 186.6MB. Free memory was 154.5MB in the beginning and 143.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:01:52,767 INFO L158 Benchmark]: Referee took 177.21ms. Allocated memory is still 186.6MB. Free memory was 143.0MB in the beginning and 129.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:01:52,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 17. Annotation is valid for all loop-free paths from loop head at line 25 to loop head at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 25. Annotation is valid for all loop-free paths from loop head at line 25 to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 142.6MB. Free memory is still 108.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 70.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 214.93ms. Allocated memory was 142.6MB in the beginning and 186.6MB in the end (delta: 44.0MB). Free memory was 68.5MB in the beginning and 156.6MB in the end (delta: -88.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.80ms. Allocated memory is still 186.6MB. Free memory was 156.6MB in the beginning and 155.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 213.46ms. Allocated memory is still 186.6MB. Free memory was 154.5MB in the beginning and 143.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 177.21ms. Allocated memory is still 186.6MB. Free memory was 143.0MB in the beginning and 129.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:01:52,792 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...