This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:30,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:30,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:30,156 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:30,157 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:30,188 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:30,189 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:30,189 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:30,190 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:30,191 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:30,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:30,192 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:30,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:30,194 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:30,195 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:30,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:30,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:30,195 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:30,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:30,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:30,196 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:30,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:30,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:30,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:30,200 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:30,201 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:30,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:30,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:30,201 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:30,202 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:30,202 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:30,202 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:30,202 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:30,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:30,203 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:30,203 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:30,203 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:30,203 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:30,204 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:30,204 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:30,204 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:30,205 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:30,206 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:30,206 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:30,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:30,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:30,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:30,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:30,517 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:30,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/bresenham-ll.c [2024-09-21 12:48:31,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:32,132 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:32,132 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/bresenham-ll.c [2024-09-21 12:48:32,139 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/aeb5a923d/2b83194031a2415cb584cb92ddc6c0cb/FLAG0dcab0aef [2024-09-21 12:48:32,518 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/aeb5a923d/2b83194031a2415cb584cb92ddc6c0cb [2024-09-21 12:48:32,521 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:32,522 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:32,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll.yml/witness-2.1.yml [2024-09-21 12:48:32,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:32,575 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:32,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:32,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:32,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:32,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:32" (1/2) ... [2024-09-21 12:48:32,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404ab09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:32, skipping insertion in model container [2024-09-21 12:48:32,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:32" (1/2) ... [2024-09-21 12:48:32,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f781ccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:32, skipping insertion in model container [2024-09-21 12:48:32,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:32" (2/2) ... [2024-09-21 12:48:32,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404ab09d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:32, skipping insertion in model container [2024-09-21 12:48:32,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:32" (2/2) ... [2024-09-21 12:48:32,598 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:32,599 INFO L1541 ArrayList]: Loop invariant at [L30-L45] (((Y <= 2147483647) && (0 <= (Y + 2147483648))) && ((((long long) Y * 2) + (2 * ((__int128) Y * x))) == (((((__int128) X * y) * 2) + X) + v))) [2024-09-21 12:48:32,599 INFO L1541 ArrayList]: Function contract at [L13]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:32,621 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:32,783 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/bresenham-ll.c[597,610] [2024-09-21 12:48:32,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:32,810 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:48:32,849 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/bresenham-ll.c[597,610] Start Parsing Local [2024-09-21 12:48:32,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:32,878 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:32,878 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:32 WrapperNode [2024-09-21 12:48:32,878 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:32,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:32,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:32,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:32,892 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 12:48:32" (1/1) ... [2024-09-21 12:48:32,893 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 12:48:32" (1/1) ... [2024-09-21 12:48:32,900 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 12:48:32" (1/1) ... [2024-09-21 12:48:32,914 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 12:48:32,917 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 12:48:32" (1/1) ... [2024-09-21 12:48:32,917 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 12:48:32" (1/1) ... [2024-09-21 12:48:32,923 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 12:48:32" (1/1) ... [2024-09-21 12:48:32,927 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 12:48:32" (1/1) ... [2024-09-21 12:48:32,932 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 12:48:32" (1/1) ... [2024-09-21 12:48:32,932 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 12:48:32" (1/1) ... [2024-09-21 12:48:32,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:32,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:32,938 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:32,938 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:32,939 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 12:48:32" (1/1) ... [2024-09-21 12:48:32,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:32,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:32,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:48:32,974 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:48:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:33,018 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:33,019 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:33,020 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:33,020 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:33,021 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:33,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:33,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:33,095 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:33,097 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:33,284 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:33,297 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:33,330 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:33,330 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:48:33,330 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:33 BoogieIcfgContainer [2024-09-21 12:48:33,331 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:33,331 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:33,332 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:33,333 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:33,333 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:32" (1/4) ... [2024-09-21 12:48:33,334 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a3acdda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:33, skipping insertion in model container [2024-09-21 12:48:33,334 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:32" (2/4) ... [2024-09-21 12:48:33,334 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a3acdda and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:33, skipping insertion in model container [2024-09-21 12:48:33,334 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 12:48:32" (3/4) ... [2024-09-21 12:48:33,335 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a3acdda and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:33, skipping insertion in model container [2024-09-21 12:48:33,336 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:33" (4/4) ... [2024-09-21 12:48:33,337 INFO L79 RefereeObserver]: Analyzing ICFG bresenham-ll.c [2024-09-21 12:48:33,341 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:48:33,342 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:48:33,342 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:48:33,342 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:48:33,342 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:33,343 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:33,343 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:33,343 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-21 12:48:33,398 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 12:48:33,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,400 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,402 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,462 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-09-21 12:48:33,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,464 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,464 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:33,506 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:33,522 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:48:33,524 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,524 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,524 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,524 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,527 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:48:33,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,528 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,528 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,528 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,528 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:33,535 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:33,546 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 12:48:33,547 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,547 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,547 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,547 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,563 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-21 12:48:33,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,564 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,564 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,568 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:33,596 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:33,596 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,596 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,596 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,596 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,602 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:33,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,602 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,602 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,602 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,602 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:33,605 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:33,613 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:33,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,616 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:33,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,617 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,617 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,618 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:33,619 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:33,627 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:33,627 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:33,627 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:33,627 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:33,628 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:33,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,629 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:33,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:33,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:33,630 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:33,630 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:33,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:33,633 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:48:33,640 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 12:48:33,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6a3acdda and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:48:33, skipping insertion in model container [2024-09-21 12:48:33,641 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:48:33,643 INFO L158 Benchmark]: Toolchain (without parser) took 1067.19ms. Allocated memory is still 153.1MB. Free memory was 117.0MB in the beginning and 57.6MB in the end (delta: 59.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-21 12:48:33,643 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 91.4MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:33,643 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:33,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.10ms. Allocated memory is still 153.1MB. Free memory was 116.3MB in the beginning and 103.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:48:33,645 INFO L158 Benchmark]: Boogie Preprocessor took 58.25ms. Allocated memory is still 153.1MB. Free memory was 103.0MB in the beginning and 101.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:48:33,645 INFO L158 Benchmark]: RCFGBuilder took 392.51ms. Allocated memory is still 153.1MB. Free memory was 101.0MB in the beginning and 87.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:33,646 INFO L158 Benchmark]: Referee took 309.79ms. Allocated memory is still 153.1MB. Free memory was 87.0MB in the beginning and 57.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-21 12:48:33,648 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 30 to check that procedure precondition always holds at line 48. One counterexample starts in v=-12884901885, x=2, X=-1, y=-2, Y=-2147483647 and ends in v=-12884901885, x=2, X=-1, xy=-4, Y=-2147483647, y=-2, yx=-4294967294. 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 main to loop head at line 30. 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 loop head at line 30 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 91.4MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 153.1MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.10ms. Allocated memory is still 153.1MB. Free memory was 116.3MB in the beginning and 103.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.25ms. Allocated memory is still 153.1MB. Free memory was 103.0MB in the beginning and 101.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.51ms. Allocated memory is still 153.1MB. Free memory was 101.0MB in the beginning and 87.0MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 309.79ms. Allocated memory is still 153.1MB. Free memory was 87.0MB in the beginning and 57.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 12:48:33,676 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...