This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:46:52,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:46:52,504 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:46:52,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:46:52,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:46:52,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:46:52,542 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:46:52,543 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:46:52,543 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:46:52,546 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:46:52,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:46:52,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:46:52,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:46:52,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:46:52,547 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:46:52,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:46:52,547 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:46:52,548 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:46:52,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:46:52,548 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:46:52,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:46:52,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:46:52,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:46:52,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:46:52,549 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:46:52,549 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:46:52,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:46:52,550 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:46:52,550 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:46:52,550 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:46:52,550 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:46:52,550 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:46:52,550 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:46:52,550 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:46:52,551 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:46:52,551 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:46:52,551 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:46:52,551 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:46:52,551 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:46:52,551 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:46:52,552 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:46:52,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:46:52,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:46:52,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:46:52,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:46:52,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:46:52,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:46:52,750 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:46:52,750 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:46:52,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/n.c11.yml/witness-2.1.yml [2024-09-21 12:46:52,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:46:52,790 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:46:52,792 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/n.c11.c [2024-09-21 12:46:53,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:46:54,143 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:46:54,143 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/n.c11.c [2024-09-21 12:46:54,148 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d9fa155d1/794670248a55456e93041d56a514dde6/FLAG2db2c6379 [2024-09-21 12:46:54,564 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d9fa155d1/794670248a55456e93041d56a514dde6 [2024-09-21 12:46:54,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:46:54,565 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:46:54,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:46:54,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:46:54,590 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:46:54,590 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 12:46:52" (1/2) ... [2024-09-21 12:46:54,591 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505d00d6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:46:54, skipping insertion in model container [2024-09-21 12:46:54,591 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 12:46:52" (1/2) ... [2024-09-21 12:46:54,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25d4b63a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:46:54, skipping insertion in model container [2024-09-21 12:46:54,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:46:54" (2/2) ... [2024-09-21 12:46:54,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505d00d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54, skipping insertion in model container [2024-09-21 12:46:54,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:46:54" (2/2) ... [2024-09-21 12:46:54,598 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:46:54,599 INFO L1541 ArrayList]: Loop invariant at [L21-L29] (len < 5) [2024-09-21 12:46:54,599 INFO L1541 ArrayList]: Function contract at [L5]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:46:54,611 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:46:54,726 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/loops/n.c11.c[317,330] [2024-09-21 12:46:54,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:46:54,744 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:46:54,774 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/loops/n.c11.c[317,330] Start Parsing Local [2024-09-21 12:46:54,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:46:54,792 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:46:54,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54 WrapperNode [2024-09-21 12:46:54,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:46:54,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:46:54,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:46:54,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:46:54,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (1/1) ... [2024-09-21 12:46:54,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (1/1) ... [2024-09-21 12:46:54,809 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (1/1) ... [2024-09-21 12:46:54,816 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 12:46:54,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (1/1) ... [2024-09-21 12:46:54,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (1/1) ... [2024-09-21 12:46:54,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (1/1) ... [2024-09-21 12:46:54,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (1/1) ... [2024-09-21 12:46:54,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (1/1) ... [2024-09-21 12:46:54,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (1/1) ... [2024-09-21 12:46:54,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:46:54,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:46:54,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:46:54,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:46:54,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (1/1) ... [2024-09-21 12:46:54,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:46:54,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:46:54,864 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 12:46:54,874 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 12:46:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:46:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:46:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:46:54,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:46:54,912 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:46:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:46:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:46:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:46:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:46:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:46:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-21 12:46:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:46:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:46:54,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:46:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:46:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:46:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:46:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:46:54,966 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:46:54,967 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:46:55,041 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:46:55,053 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:46:55,071 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:46:55,071 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:46:55,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:46:55 BoogieIcfgContainer [2024-09-21 12:46:55,072 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:46:55,072 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:46:55,073 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:46:55,073 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:46:55,073 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 12:46:52" (1/4) ... [2024-09-21 12:46:55,074 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7037089e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:46:55, skipping insertion in model container [2024-09-21 12:46:55,074 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:46:54" (2/4) ... [2024-09-21 12:46:55,074 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7037089e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:46:55, skipping insertion in model container [2024-09-21 12:46:55,074 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:46:54" (3/4) ... [2024-09-21 12:46:55,075 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7037089e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:46:55, skipping insertion in model container [2024-09-21 12:46:55,075 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:46:55" (4/4) ... [2024-09-21 12:46:55,075 INFO L79 RefereeObserver]: Analyzing ICFG n.c11.c [2024-09-21 12:46:55,078 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:46:55,078 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:46:55,079 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:46:55,079 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:46:55,079 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 12:46:55,079 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 12:46:55,079 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:46:55,107 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:46:55,108 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:55,108 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:55,109 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:55,109 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:55,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:55,132 INFO L101 BaseMinimizeStates]: Removed 13 edges and 5 locations by large block encoding [2024-09-21 12:46:55,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:55,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:55,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:55,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:55,140 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:55,155 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:46:55,161 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:46:55,161 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:55,162 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:55,162 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:55,162 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:55,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:55,163 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:46:55,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:55,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:55,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:55,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:55,163 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:55,170 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:46:55,179 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:46:55,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:55,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:55,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:55,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:55,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:55,188 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:46:55,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:55,189 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:55,189 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:55,189 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:55,193 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:55,195 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:46:55,203 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:46:55,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:55,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:55,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:55,204 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:55,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:55,208 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:46:55,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:55,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:55,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:55,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:55,209 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:55,210 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:46:55,216 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:46:55,216 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:46:55,216 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:46:55,216 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:46:55,216 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:46:55,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:55,219 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:46:55,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:46:55,219 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:46:55,219 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:46:55,219 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:46:55,220 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:46:55,221 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:46:55,224 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:46:55,224 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7037089e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:46:55, skipping insertion in model container [2024-09-21 12:46:55,224 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:46:55,226 INFO L158 Benchmark]: Toolchain (without parser) took 660.23ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 48.2MB in the beginning and 89.0MB in the end (delta: -40.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-09-21 12:46:55,226 INFO L158 Benchmark]: Witness Parser took 0.44ms. Allocated memory is still 104.9MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:46:55,227 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:46:55,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.48ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 48.0MB in the beginning and 116.9MB in the end (delta: -68.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2024-09-21 12:46:55,228 INFO L158 Benchmark]: Boogie Preprocessor took 36.58ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:46:55,229 INFO L158 Benchmark]: RCFGBuilder took 241.15ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 103.0MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:46:55,230 INFO L158 Benchmark]: Referee took 152.03ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 89.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:46:55,233 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 21 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 21 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. 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 7. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.44ms. Allocated memory is still 104.9MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 71.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.48ms. Allocated memory was 104.9MB in the beginning and 155.2MB in the end (delta: 50.3MB). Free memory was 48.0MB in the beginning and 116.9MB in the end (delta: -68.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.58ms. Allocated memory is still 155.2MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 241.15ms. Allocated memory is still 155.2MB. Free memory was 114.8MB in the beginning and 103.0MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 152.03ms. Allocated memory is still 155.2MB. Free memory was 103.0MB in the beginning and 89.0MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:46:55,258 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...