This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:11,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:12,023 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:12,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:12,026 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:12,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:12,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:12,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:12,043 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:12,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:12,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:12,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:12,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:12,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:12,045 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:12,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:12,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:12,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:12,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:12,047 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:12,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:12,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:12,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:12,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:12,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:12,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:12,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:12,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:12,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:12,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:12,051 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:12,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:12,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:12,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:12,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:12,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:12,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:12,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:12,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:12,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:12,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:12,058 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:12,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:12,058 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:12,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:12,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:12,293 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:12,294 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:12,299 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:12,301 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound50.yml/witness-2.1.yml [2024-09-20 20:10:12,349 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:12,350 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:12,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c [2024-09-20 20:10:13,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:14,180 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:14,181 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound50.c [2024-09-20 20:10:14,197 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/35cb8c133/088d79935e274ff0af98dd9247c396fb/FLAGd73afb8c7 [2024-09-20 20:10:14,213 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/35cb8c133/088d79935e274ff0af98dd9247c396fb [2024-09-20 20:10:14,214 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:14,215 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:14,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:14,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:14,229 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:14,230 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:12" (1/2) ... [2024-09-20 20:10:14,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771a515 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:14, skipping insertion in model container [2024-09-20 20:10:14,231 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:12" (1/2) ... [2024-09-20 20:10:14,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c89a2bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:14, skipping insertion in model container [2024-09-20 20:10:14,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:14" (2/2) ... [2024-09-20 20:10:14,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771a515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14, skipping insertion in model container [2024-09-20 20:10:14,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:14" (2/2) ... [2024-09-20 20:10:14,245 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:14,253 INFO L1541 ArrayList]: Loop invariant at [L32-L47] (((((((((__int128) y * x) == (((__int128) X * y) + y)) && ((((long long) Y * 2) + (2 * ((__int128) Y * x))) == (((((__int128) X * y) * 2) + X) + v))) && (Y <= 50)) && (0 <= Y)) && (0 <= X)) && (X <= 50)) || ((((((((long long) Y * 2) + (2 * ((__int128) Y * x))) == (((((__int128) X * y) * 2) + X) + v)) && (Y <= 50)) && (0 <= Y)) && (0 <= X)) && (X <= 50))) [2024-09-20 20:10:14,254 INFO L1541 ArrayList]: Function contract at [L10]: requires null, ensures (\old(cond) != 0) [2024-09-20 20:10:14,254 INFO L1541 ArrayList]: Function contract at [L13]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:14,286 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:14,509 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/nla-digbench-scaling/bresenham-ll_valuebound50.c[597,610] [2024-09-20 20:10:14,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:14,542 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:10:14,576 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/nla-digbench-scaling/bresenham-ll_valuebound50.c[597,610] Start Parsing Local [2024-09-20 20:10:14,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:14,611 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:14,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14 WrapperNode [2024-09-20 20:10:14,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:14,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:14,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:14,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:14,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (1/1) ... [2024-09-20 20:10:14,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (1/1) ... [2024-09-20 20:10:14,631 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (1/1) ... [2024-09-20 20:10:14,638 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 20:10:14,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (1/1) ... [2024-09-20 20:10:14,642 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (1/1) ... [2024-09-20 20:10:14,659 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (1/1) ... [2024-09-20 20:10:14,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (1/1) ... [2024-09-20 20:10:14,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (1/1) ... [2024-09-20 20:10:14,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (1/1) ... [2024-09-20 20:10:14,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:14,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:14,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:14,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:14,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (1/1) ... [2024-09-20 20:10:14,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:14,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:14,716 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) [2024-09-20 20:10:14,718 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 [2024-09-20 20:10:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:14,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:14,817 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:14,820 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:14,970 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:14,984 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:15,014 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:15,014 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:10:15,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:15 BoogieIcfgContainer [2024-09-20 20:10:15,015 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:15,016 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:15,016 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:15,021 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:15,023 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:12" (1/4) ... [2024-09-20 20:10:15,024 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27475d59 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:15, skipping insertion in model container [2024-09-20 20:10:15,024 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:14" (2/4) ... [2024-09-20 20:10:15,024 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27475d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:15, skipping insertion in model container [2024-09-20 20:10:15,024 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:14" (3/4) ... [2024-09-20 20:10:15,025 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27475d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:15, skipping insertion in model container [2024-09-20 20:10:15,025 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:15" (4/4) ... [2024-09-20 20:10:15,026 INFO L79 RefereeObserver]: Analyzing ICFG bresenham-ll_valuebound50.c [2024-09-20 20:10:15,030 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:10:15,032 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:15,032 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:10:15,032 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 20:10:15,032 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:10:15,033 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:15,033 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:15,033 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:15,033 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-20 20:10:15,071 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:10:15,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:15,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:15,074 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:15,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:15,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,095 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:10:15,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,098 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:15,098 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:15,099 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:15,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:15,125 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:15,167 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:10:15,168 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:15,168 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:15,168 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:15,168 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:15,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,256 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-20 20:10:15,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,257 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:15,258 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:15,258 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:15,273 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:15,288 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:15,309 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 20:10:15,309 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:15,309 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:15,310 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:15,310 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:15,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,323 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 20:10:15,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,325 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:15,325 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:15,325 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:15,325 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:15,330 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:15,348 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:10:15,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:15,349 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:15,349 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:15,349 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:15,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,374 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-20 20:10:15,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,374 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:15,374 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:15,375 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:15,378 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:15,412 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:15,413 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:15,413 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:15,413 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:15,414 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:15,414 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,420 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:15,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,421 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:15,421 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:15,422 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:15,422 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:15,426 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:15,437 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:15,438 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:15,438 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:15,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:15,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:15,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,442 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:15,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,443 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:15,444 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:15,444 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:15,445 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:15,448 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:15,459 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:15,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:15,463 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:15,463 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:15,464 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:15,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,465 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:15,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:15,465 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:15,466 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:15,466 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:15,466 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:15,469 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:15,477 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-20 20:10:15,479 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@27475d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:15, skipping insertion in model container [2024-09-20 20:10:15,480 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:15,482 INFO L158 Benchmark]: Toolchain (without parser) took 1266.28ms. Allocated memory was 176.2MB in the beginning and 281.0MB in the end (delta: 104.9MB). Free memory was 100.9MB in the beginning and 190.4MB in the end (delta: -89.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:10:15,483 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 176.2MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:15,483 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:15,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.94ms. Allocated memory was 176.2MB in the beginning and 281.0MB in the end (delta: 104.9MB). Free memory was 100.7MB in the beginning and 246.0MB in the end (delta: -145.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 20:10:15,485 INFO L158 Benchmark]: Boogie Preprocessor took 53.84ms. Allocated memory is still 281.0MB. Free memory was 246.0MB in the beginning and 243.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:15,486 INFO L158 Benchmark]: RCFGBuilder took 342.95ms. Allocated memory is still 281.0MB. Free memory was 243.9MB in the beginning and 228.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:10:15,486 INFO L158 Benchmark]: Referee took 465.02ms. Allocated memory is still 281.0MB. Free memory was 228.2MB in the beginning and 190.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:15,488 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 loop head at line 32 to check that procedure precondition always holds at line 50. One counterexample starts in v=9, x=3, X=1, Y=1, y=-1 and ends in v=9, x=3, X=1, xy=-3, Y=1, y=-1, yx=3. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 15. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.28ms. Allocated memory is still 176.2MB. Free memory is still 128.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 176.2MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.94ms. Allocated memory was 176.2MB in the beginning and 281.0MB in the end (delta: 104.9MB). Free memory was 100.7MB in the beginning and 246.0MB in the end (delta: -145.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.84ms. Allocated memory is still 281.0MB. Free memory was 246.0MB in the beginning and 243.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.95ms. Allocated memory is still 281.0MB. Free memory was 243.9MB in the beginning and 228.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 465.02ms. Allocated memory is still 281.0MB. Free memory was 228.2MB in the beginning and 190.4MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-20 20:10:15,518 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...