This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:06:55,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:06:55,362 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:06:55,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:06:55,368 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:06:55,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:06:55,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:06:55,397 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:06:55,397 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:06:55,398 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:06:55,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:06:55,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:06:55,399 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:06:55,399 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:06:55,400 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:06:55,400 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:06:55,400 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:06:55,401 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:06:55,401 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:06:55,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:06:55,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:06:55,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:06:55,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:06:55,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:06:55,403 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:06:55,404 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:06:55,404 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:06:55,404 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:06:55,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:06:55,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:06:55,405 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:06:55,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:06:55,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:06:55,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:06:55,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:06:55,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:06:55,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:06:55,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:06:55,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:06:55,408 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:06:55,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:06:55,409 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:06:55,409 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:06:55,409 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:06:55,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:06:55,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:06:55,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:06:55,686 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:06:55,687 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:06:55,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/for_infinite_loop_1.yml/witness-2.1.yml [2024-09-13 10:06:55,776 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:06:55,776 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:06:55,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/for_infinite_loop_1.c [2024-09-13 10:06:57,215 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:06:57,390 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:06:57,390 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/for_infinite_loop_1.c [2024-09-13 10:06:57,398 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a6ced0d3f/01415508e80e4bd897a4d8c2707cabe2/FLAG2ef20262c [2024-09-13 10:06:57,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a6ced0d3f/01415508e80e4bd897a4d8c2707cabe2 [2024-09-13 10:06:57,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:06:57,413 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:06:57,414 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:06:57,414 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:06:57,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:06:57,419 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 10:06:55" (1/2) ... [2024-09-13 10:06:57,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0adacb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:06:57, skipping insertion in model container [2024-09-13 10:06:57,420 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 10:06:55" (1/2) ... [2024-09-13 10:06:57,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72327e17 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:06:57, skipping insertion in model container [2024-09-13 10:06:57,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:06:57" (2/2) ... [2024-09-13 10:06:57,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0adacb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57, skipping insertion in model container [2024-09-13 10:06:57,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:06:57" (2/2) ... [2024-09-13 10:06:57,428 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:06:57,428 INFO L1541 ArrayList]: Loop invariant at [L23-L26] (x == 0) [2024-09-13 10:06:57,428 INFO L1541 ArrayList]: Function contract at [L9]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:06:57,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:06:57,590 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/for_infinite_loop_1.c[418,431] [2024-09-13 10:06:57,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:06:57,609 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:06:57,643 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/for_infinite_loop_1.c[418,431] Start Parsing Local [2024-09-13 10:06:57,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:06:57,665 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:06:57,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57 WrapperNode [2024-09-13 10:06:57,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:06:57,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:06:57,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:06:57,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:06:57,680 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,686 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,696 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 10:06:57,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,711 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,712 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,713 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:06:57,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:06:57,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:06:57,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:06:57,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (1/1) ... [2024-09-13 10:06:57,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:06:57,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:06:57,751 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 10:06:57,758 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 10:06:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:06:57,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:06:57,804 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:06:57,804 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:06:57,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:06:57,806 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:06:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:06:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:06:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:06:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:06:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:06:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:06:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:06:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:06:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:06:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:06:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:06:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:06:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:06:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:06:57,876 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:06:57,879 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:06:57,971 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:06:57,986 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:06:58,007 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:06:58,007 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:06:58,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:06:58 BoogieIcfgContainer [2024-09-13 10:06:58,007 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:06:58,008 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:06:58,008 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:06:58,009 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:06:58,009 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 10:06:55" (1/4) ... [2024-09-13 10:06:58,010 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f01eb01 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:06:58, skipping insertion in model container [2024-09-13 10:06:58,010 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:06:57" (2/4) ... [2024-09-13 10:06:58,010 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f01eb01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:06:58, skipping insertion in model container [2024-09-13 10:06:58,010 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:06:57" (3/4) ... [2024-09-13 10:06:58,010 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f01eb01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:06:58, skipping insertion in model container [2024-09-13 10:06:58,011 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:06:58" (4/4) ... [2024-09-13 10:06:58,012 INFO L79 RefereeObserver]: Analyzing ICFG for_infinite_loop_1.c [2024-09-13 10:06:58,014 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:06:58,015 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:06:58,015 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:06:58,015 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 10:06:58,016 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:06:58,016 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 10:06:58,016 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 10:06:58,016 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-13 10:06:58,057 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:06:58,058 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,059 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,059 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,060 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,070 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:06:58,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,071 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,072 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,072 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,075 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,093 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:06:58,110 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:06:58,110 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,111 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,111 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,115 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:06:58,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,116 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,116 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,121 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:06:58,133 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:06:58,137 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,137 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,138 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,141 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:06:58,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,146 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,146 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,146 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,151 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,160 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:06:58,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,164 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,164 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,164 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,168 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:06:58,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,169 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,169 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,170 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,170 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,171 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,178 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:06:58,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,179 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,183 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:06:58,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,184 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,184 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,184 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,187 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:06:58,193 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:06:58,194 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,194 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,194 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,194 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,197 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:06:58,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,198 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,199 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,200 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:06:58,204 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:06:58,205 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f01eb01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:06:58, skipping insertion in model container [2024-09-13 10:06:58,205 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:06:58,207 INFO L158 Benchmark]: Toolchain (without parser) took 793.80ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 82.1MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,208 INFO L158 Benchmark]: Witness Parser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:06:58,208 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 91.1MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:06:58,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.27ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 108.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,210 INFO L158 Benchmark]: Boogie Preprocessor took 48.78ms. Allocated memory is still 159.4MB. Free memory was 108.3MB in the beginning and 106.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,210 INFO L158 Benchmark]: RCFGBuilder took 291.15ms. Allocated memory is still 159.4MB. Free memory was 106.3MB in the beginning and 94.7MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,211 INFO L158 Benchmark]: Referee took 197.53ms. Allocated memory is still 159.4MB. Free memory was 94.7MB in the beginning and 82.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,214 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 loop head at line 23 to check that procedure precondition always holds at line 25. 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 11. 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 23. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.25ms. Allocated memory is still 117.4MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 91.1MB in the end (delta: 86.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.27ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 108.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.78ms. Allocated memory is still 159.4MB. Free memory was 108.3MB in the beginning and 106.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 291.15ms. Allocated memory is still 159.4MB. Free memory was 106.3MB in the beginning and 94.7MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 197.53ms. Allocated memory is still 159.4MB. Free memory was 94.7MB in the beginning and 82.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:06:58,256 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...