This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:06,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:06,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:06,622 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:06,623 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:06,645 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:06,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:06,646 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:06,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:06,646 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:06,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:06,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:06,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:06,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:06,648 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:06,648 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:06,648 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:06,650 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:06,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:06,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:06,651 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:06,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:06,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:06,652 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:06,653 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:06,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:06,653 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:06,653 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:06,653 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:06,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:06,654 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:06,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:06,654 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:06,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:06,654 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:06,654 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:06,654 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:06,655 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:06,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:06,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:06,655 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:06,656 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:06,657 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:06,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:06,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:06,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:06,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:06,916 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:06,916 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:06,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/diamond_2-2.c [2024-09-21 12:47:08,210 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:08,360 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:08,361 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/diamond_2-2.c [2024-09-21 12:47:08,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5b65e83a8/5d31fe48b88f419d8600c46c31acf5f4/FLAG6b90ede3f [2024-09-21 12:47:08,775 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5b65e83a8/5d31fe48b88f419d8600c46c31acf5f4 [2024-09-21 12:47:08,777 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:08,778 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:08,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/diamond_2-2.yml/witness-2.1.yml [2024-09-21 12:47:08,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:08,824 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:08,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:08,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:08,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:08,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:08" (1/2) ... [2024-09-21 12:47:08,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484dfab7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:08, skipping insertion in model container [2024-09-21 12:47:08,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:08" (1/2) ... [2024-09-21 12:47:08,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e4d99e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:08, skipping insertion in model container [2024-09-21 12:47:08,837 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 12:47:08" (2/2) ... [2024-09-21 12:47:08,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@484dfab7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:08, skipping insertion in model container [2024-09-21 12:47:08,838 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 12:47:08" (2/2) ... [2024-09-21 12:47:08,844 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:08,846 INFO L1541 ArrayList]: Loop invariant at [L17-L47] (((x == 0) || (((y % 2) != 0) && (((long long) 5 + x) == 0))) || (((y % 2) == 0) && ((x % 2) == 0))) [2024-09-21 12:47:08,846 INFO L1541 ArrayList]: Function contract at [L6]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:47:08,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:09,003 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/loop-acceleration/diamond_2-2.c[373,386] [2024-09-21 12:47:09,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:09,049 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:47:09,081 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/loop-acceleration/diamond_2-2.c[373,386] Start Parsing Local [2024-09-21 12:47:09,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:09,113 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:09,114 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:09 WrapperNode [2024-09-21 12:47:09,114 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:09,115 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:09,115 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:09,115 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:09,127 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 12:47:09" (1/1) ... [2024-09-21 12:47:09,127 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 12:47:09" (1/1) ... [2024-09-21 12:47:09,133 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 12:47:09" (1/1) ... [2024-09-21 12:47:09,149 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 12:47:09,149 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 12:47:09" (1/1) ... [2024-09-21 12:47:09,149 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 12:47:09" (1/1) ... [2024-09-21 12:47:09,158 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 12:47:09" (1/1) ... [2024-09-21 12:47:09,161 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 12:47:09" (1/1) ... [2024-09-21 12:47:09,162 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 12:47:09" (1/1) ... [2024-09-21 12:47:09,163 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 12:47:09" (1/1) ... [2024-09-21 12:47:09,164 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:09,165 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:09,166 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:09,166 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:09,166 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 12:47:09" (1/1) ... [2024-09-21 12:47:09,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:09,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:09,208 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 12:47:09,214 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 12:47:09,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:09,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:47:09,265 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:09,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:47:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:47:09,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:47:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:47:09,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:09,338 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:09,342 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:09,513 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:47:09,521 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:09,537 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:09,537 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:47:09,538 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:09 BoogieIcfgContainer [2024-09-21 12:47:09,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:09,539 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:09,539 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:09,539 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:09,539 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:08" (1/4) ... [2024-09-21 12:47:09,540 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1504ee1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:09, skipping insertion in model container [2024-09-21 12:47:09,540 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 12:47:08" (2/4) ... [2024-09-21 12:47:09,540 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1504ee1d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:09, skipping insertion in model container [2024-09-21 12:47:09,540 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 12:47:09" (3/4) ... [2024-09-21 12:47:09,541 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1504ee1d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:09, skipping insertion in model container [2024-09-21 12:47:09,541 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 12:47:09" (4/4) ... [2024-09-21 12:47:09,544 INFO L79 RefereeObserver]: Analyzing ICFG diamond_2-2.c [2024-09-21 12:47:09,548 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:47:09,549 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 23 edges. [2024-09-21 12:47:09,549 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 12:47:09,550 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:47:09,550 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 12:47:09,550 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 12:47:09,550 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-21 12:47:09,605 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 23 edges [2024-09-21 12:47:09,606 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:09,607 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:09,611 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:09,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:09,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:10,268 INFO L101 BaseMinimizeStates]: Removed 2070 edges and 12 locations by large block encoding [2024-09-21 12:47:10,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:10,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:10,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:10,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:10,364 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:10,397 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:47:10,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:10,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:10,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:10,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:10,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:10,399 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:47:10,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:10,399 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:10,399 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:10,400 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:10,400 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:10,407 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:10,414 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:47:10,416 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:10,417 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:10,417 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:10,417 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:10,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:10,418 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:47:10,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:10,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:10,419 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:10,419 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:10,420 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:10,422 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:10,426 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:10,429 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:10,430 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:10,430 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:10,430 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:10,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:10,431 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:10,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:10,431 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:10,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:10,432 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:10,433 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:10,434 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:10,438 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:10,439 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:10,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:10,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:10,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:10,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:10,440 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:10,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:10,440 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:10,440 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:10,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:10,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:10,445 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:47:10,453 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 12:47:10,453 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1504ee1d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:10, skipping insertion in model container [2024-09-21 12:47:10,453 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:10,455 INFO L158 Benchmark]: Toolchain (without parser) took 1630.63ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 92.1MB in the beginning and 104.8MB in the end (delta: -12.7MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB. [2024-09-21 12:47:10,455 INFO L158 Benchmark]: CDTParser took 0.57ms. Allocated memory is still 138.4MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:10,456 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 138.4MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:10,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.77ms. Allocated memory is still 138.4MB. Free memory was 91.5MB in the beginning and 77.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:10,458 INFO L158 Benchmark]: Boogie Preprocessor took 49.60ms. Allocated memory is still 138.4MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:10,458 INFO L158 Benchmark]: RCFGBuilder took 372.82ms. Allocated memory is still 138.4MB. Free memory was 75.8MB in the beginning and 62.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:10,458 INFO L158 Benchmark]: Referee took 914.74ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 62.2MB in the beginning and 104.8MB in the end (delta: -42.6MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2024-09-21 12:47:10,461 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 17 to loop head at line 17. One counterexample starts in x=0, y=1 and ends in x=-5, y=1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 17. 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 8. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57ms. Allocated memory is still 138.4MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.08ms. Allocated memory is still 138.4MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.77ms. Allocated memory is still 138.4MB. Free memory was 91.5MB in the beginning and 77.9MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.60ms. Allocated memory is still 138.4MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.82ms. Allocated memory is still 138.4MB. Free memory was 75.8MB in the beginning and 62.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 914.74ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 62.2MB in the beginning and 104.8MB in the end (delta: -42.6MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 12:47:10,488 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...