This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:06:55,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:06:55,571 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:06:55,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:06:55,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:06:55,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:06:55,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:06:55,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:06:55,609 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:06:55,610 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:06:55,611 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:06:55,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:06:55,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:06:55,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:06:55,614 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:06:55,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:06:55,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:06:55,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:06:55,615 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:06:55,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:06:55,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:06:55,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:06:55,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:06:55,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:06:55,617 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:06:55,618 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:06:55,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:06:55,618 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:06:55,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:06:55,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:06:55,619 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:06:55,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:06:55,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:06:55,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:06:55,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:06:55,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:06:55,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:06:55,622 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:06:55,622 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:06:55,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:06:55,623 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:06:55,624 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:06:55,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:06:55,624 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:06:55,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:06:55,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:06:55,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:06:55,931 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:06:55,932 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:06:55,933 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/sum01-2.i [2024-09-13 10:06:57,469 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:06:57,649 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:06:57,651 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/sum01-2.i [2024-09-13 10:06:57,661 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/281108bba/c8c546b41d4e455a8209a4020a56526c/FLAG254f64c63 [2024-09-13 10:06:57,680 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/281108bba/c8c546b41d4e455a8209a4020a56526c [2024-09-13 10:06:57,684 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:06:57,684 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:06:57,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum01-2.yml/witness-2.1.yml [2024-09-13 10:06:57,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:06:57,733 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:06:57,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:06:57,736 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:06:57,741 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:06:57,742 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:06:57" (1/2) ... [2024-09-13 10:06:57,743 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1845f66f 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 10:06:57,743 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:06:57" (1/2) ... [2024-09-13 10:06:57,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f4b5d12 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 10:06:57,746 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 10:06:57" (2/2) ... [2024-09-13 10:06:57,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1845f66f 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 10:06:57,746 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 10:06:57" (2/2) ... [2024-09-13 10:06:57,756 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:06:57,759 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 10:06:57,759 INFO L1541 ArrayList]: Function contract at [L15]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:06:57,778 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:06:57,940 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 10:06:57,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:06:57,965 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:06:57,997 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 10:06:58,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:06:58,022 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:06:58,022 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:06:58 WrapperNode [2024-09-13 10:06:58,022 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:06:58,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:06:58,024 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:06:58,024 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:06:58,037 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 10:06:58" (1/1) ... [2024-09-13 10:06:58,038 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 10:06:58" (1/1) ... [2024-09-13 10:06:58,043 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 10:06:58" (1/1) ... [2024-09-13 10:06:58,051 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 10:06:58,051 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 10:06:58" (1/1) ... [2024-09-13 10:06:58,052 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 10:06:58" (1/1) ... [2024-09-13 10:06:58,056 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 10:06:58" (1/1) ... [2024-09-13 10:06:58,059 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 10:06:58" (1/1) ... [2024-09-13 10:06:58,061 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 10:06:58" (1/1) ... [2024-09-13 10:06:58,062 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 10:06:58" (1/1) ... [2024-09-13 10:06:58,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:06:58,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:06:58,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:06:58,065 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:06:58,068 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 10:06:58" (1/1) ... [2024-09-13 10:06:58,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:06:58,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:06:58,096 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 10:06:58,099 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 10:06:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:06:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:06:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:06:58,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:06:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:06:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:06:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:06:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:06:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:06:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:06:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:06:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:06:58,208 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:06:58,210 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:06:58,295 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:06:58,307 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:06:58,333 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:06:58,333 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:06:58,333 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:06:58 BoogieIcfgContainer [2024-09-13 10:06:58,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:06:58,334 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:06:58,334 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:06:58,335 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:06:58,335 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:06:57" (1/4) ... [2024-09-13 10:06:58,335 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c3ed746 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 10:06:58,335 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 10:06:57" (2/4) ... [2024-09-13 10:06:58,335 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c3ed746 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 10:06:58,336 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 10:06:58" (3/4) ... [2024-09-13 10:06:58,336 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c3ed746 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 10:06:58,336 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 10:06:58" (4/4) ... [2024-09-13 10:06:58,337 INFO L79 RefereeObserver]: Analyzing ICFG sum01-2.i [2024-09-13 10:06:58,341 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:06:58,341 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 10:06:58,342 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 10:06:58,342 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 10:06:58,342 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 10:06:58,342 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 10:06:58,342 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:06:58,378 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:06:58,379 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,379 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,379 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,408 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:06:58,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,409 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,410 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,410 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,424 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,454 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:06:58,473 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:06:58,474 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,474 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,474 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,475 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,482 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:06:58,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,482 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,483 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,498 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,515 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:06:58,519 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,519 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,520 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,520 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,537 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:06:58,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,550 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:06:58,566 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:06:58,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,567 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,567 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,567 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,575 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:06:58,577 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,578 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,579 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,581 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:06:58,590 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:06:58,590 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:06:58,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:06:58,594 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:06:58,594 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:06:58,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,597 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:06:58,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:06:58,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:06:58,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:06:58,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:06:58,599 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:06:58,601 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:06:58,605 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:06:58,606 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c3ed746 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:06:58, skipping insertion in model container [2024-09-13 10:06:58,606 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:06:58,608 INFO L158 Benchmark]: Toolchain (without parser) took 873.98ms. Allocated memory is still 157.3MB. Free memory was 100.1MB in the beginning and 59.4MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,610 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 157.3MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:06:58,610 INFO L158 Benchmark]: Witness Parser took 1.24ms. Allocated memory is still 157.3MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:06:58,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.19ms. Allocated memory is still 157.3MB. Free memory was 100.1MB in the beginning and 86.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,612 INFO L158 Benchmark]: Boogie Preprocessor took 40.10ms. Allocated memory is still 157.3MB. Free memory was 86.6MB in the beginning and 85.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:06:58,614 INFO L158 Benchmark]: RCFGBuilder took 269.11ms. Allocated memory is still 157.3MB. Free memory was 84.6MB in the beginning and 72.9MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,614 INFO L158 Benchmark]: Referee took 272.72ms. Allocated memory is still 157.3MB. Free memory was 72.9MB in the beginning and 59.4MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:06:58,617 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 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. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 157.3MB. Free memory is still 122.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.24ms. Allocated memory is still 157.3MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.19ms. Allocated memory is still 157.3MB. Free memory was 100.1MB in the beginning and 86.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.10ms. Allocated memory is still 157.3MB. Free memory was 86.6MB in the beginning and 85.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 269.11ms. Allocated memory is still 157.3MB. Free memory was 84.6MB in the beginning and 72.9MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 272.72ms. Allocated memory is still 157.3MB. Free memory was 72.9MB in the beginning and 59.4MB in the end (delta: 13.5MB). 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 10:06:58,648 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...