This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:07:48,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:48,187 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:48,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:48,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:48,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:48,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:48,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:48,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:48,228 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:48,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:48,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:48,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:48,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:48,230 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:48,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:48,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:48,231 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:48,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:48,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:48,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:48,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:48,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:48,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:48,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:48,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:48,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:48,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:48,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:48,237 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:48,237 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:48,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:48,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:48,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:48,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:48,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:48,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:48,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:48,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:48,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:48,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:48,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:48,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:48,243 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:48,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:48,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:48,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:48,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:48,508 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:48,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sumt4.c [2024-09-21 19:07:49,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:50,179 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:50,180 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt4.c [2024-09-21 19:07:50,186 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/39c0f526d/4685a7d4e1584e9c885cb27c372b6349/FLAGc568756b5 [2024-09-21 19:07:50,199 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/39c0f526d/4685a7d4e1584e9c885cb27c372b6349 [2024-09-21 19:07:50,201 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:50,204 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:50,204 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/sumt4.yml/output/witness-2.1.yml [2024-09-21 19:07:50,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:50,254 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:50,255 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:50,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:50,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:50,261 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:50" (1/2) ... [2024-09-21 19:07:50,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13407b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:50, skipping insertion in model container [2024-09-21 19:07:50,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:50" (1/2) ... [2024-09-21 19:07:50,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61a0d565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:50, skipping insertion in model container [2024-09-21 19:07:50,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:50" (2/2) ... [2024-09-21 19:07:50,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13407b9e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50, skipping insertion in model container [2024-09-21 19:07:50,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:50" (2/2) ... [2024-09-21 19:07:50,270 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:50,272 INFO L1541 ArrayList]: Loop invariant at [L21-L32] ( l == ( ( ( j + i ) + k ) + v4 ) ) [2024-09-21 19:07:50,272 INFO L1541 ArrayList]: Function contract at [L8]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:50,272 INFO L1541 ArrayList]: Function contract at [L16]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:50,287 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:50,425 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-crafted-1/sumt4.c[403,416] [2024-09-21 19:07:50,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:50,463 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:07:50,505 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-crafted-1/sumt4.c[403,416] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:07:50,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:50,532 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:50,533 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50 WrapperNode [2024-09-21 19:07:50,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:50,534 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:50,535 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:50,535 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:50,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (1/1) ... [2024-09-21 19:07:50,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (1/1) ... [2024-09-21 19:07:50,555 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (1/1) ... [2024-09-21 19:07:50,568 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:07:50,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (1/1) ... [2024-09-21 19:07:50,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (1/1) ... [2024-09-21 19:07:50,574 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (1/1) ... [2024-09-21 19:07:50,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (1/1) ... [2024-09-21 19:07:50,582 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (1/1) ... [2024-09-21 19:07:50,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (1/1) ... [2024-09-21 19:07:50,584 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:50,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:50,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:50,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:50,587 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (1/1) ... [2024-09-21 19:07:50,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:50,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:50,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:07:50,621 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:07:50,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:50,665 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:07:50,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:07:50,667 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:50,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:07:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 19:07:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:07:50,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:07:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:07:50,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:50,738 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:50,743 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:50,789 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:50,910 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:50,921 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:50,952 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:50,952 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:07:50,952 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:50 BoogieIcfgContainer [2024-09-21 19:07:50,953 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:50,956 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:50,957 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:50,958 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:50,958 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:50" (1/4) ... [2024-09-21 19:07:50,958 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cfd8dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:50, skipping insertion in model container [2024-09-21 19:07:50,959 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:50" (2/4) ... [2024-09-21 19:07:50,959 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cfd8dbd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:50, skipping insertion in model container [2024-09-21 19:07:50,959 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:50" (3/4) ... [2024-09-21 19:07:50,959 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cfd8dbd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:50, skipping insertion in model container [2024-09-21 19:07:50,960 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:50" (4/4) ... [2024-09-21 19:07:50,961 INFO L79 RefereeObserver]: Analyzing ICFG sumt4.c [2024-09-21 19:07:50,964 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:07:50,965 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:07:50,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-21 19:07:50,966 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 19:07:50,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:07:50,966 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:07:50,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:50,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:07:50,967 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:07:50,967 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 4 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-21 19:07:51,006 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:07:51,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:51,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:51,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:51,010 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:51,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,024 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:07:51,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,027 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:51,027 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:51,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:51,031 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:51,047 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:51,074 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:51,077 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:51,077 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:51,077 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:51,077 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:51,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,082 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:51,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:51,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:51,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:51,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:51,095 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:51,108 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 10 edges [2024-09-21 19:07:51,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:51,112 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:51,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:51,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:51,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,151 INFO L101 BaseMinimizeStates]: Removed 21 edges and 6 locations by large block encoding [2024-09-21 19:07:51,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:51,151 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:51,152 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:51,161 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:51,225 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:51,234 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:51,234 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:51,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:51,234 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:51,234 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:51,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,236 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:51,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,237 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:51,237 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:51,237 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:51,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:51,238 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:51,244 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:07:51,244 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:51,244 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:51,245 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:51,245 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:51,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,251 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 19:07:51,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,251 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:51,251 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:51,252 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:51,252 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:51,253 INFO L520 InvariantChecker]: The annotation(s) from loop head L21-3 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:51,259 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:51,259 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:51,260 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:51,260 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:51,260 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:51,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,260 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:51,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,261 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:51,261 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:51,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:51,261 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:51,263 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:51,270 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:51,270 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:51,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:51,270 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:51,271 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:51,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,273 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:07:51,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:51,273 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:51,273 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:51,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:51,275 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:51,280 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:51,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:51,281 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:51,281 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:51,281 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:51,281 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,282 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:51,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:51,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:51,282 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:51,282 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:51,282 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:51,294 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:07:51,294 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cfd8dbd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:51, skipping insertion in model container [2024-09-21 19:07:51,294 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:07:51,296 INFO L158 Benchmark]: Toolchain (without parser) took 1040.74ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 75.1MB in the end (delta: 57.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-21 19:07:51,296 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:51,296 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:51,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.60ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 119.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:07:51,297 INFO L158 Benchmark]: Boogie Preprocessor took 49.33ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 117.0MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-21 19:07:51,298 INFO L158 Benchmark]: RCFGBuilder took 368.14ms. Allocated memory is still 167.8MB. Free memory was 117.0MB in the beginning and 103.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:07:51,298 INFO L158 Benchmark]: Referee took 337.79ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 75.1MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-21 19:07:51,300 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 10. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. 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 exit of procedure main. 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 entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 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 loop head at line 21 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 131.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 167.8MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.60ms. Allocated memory is still 167.8MB. Free memory was 132.7MB in the beginning and 119.0MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.33ms. Allocated memory is still 167.8MB. Free memory was 119.0MB in the beginning and 117.0MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 368.14ms. Allocated memory is still 167.8MB. Free memory was 117.0MB in the beginning and 103.9MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 337.79ms. Allocated memory is still 167.8MB. Free memory was 103.9MB in the beginning and 75.1MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:07:51,335 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...