This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:07:28,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:28,216 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:28,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:28,222 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:28,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:28,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:28,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:28,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:28,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:28,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:28,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:28,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:28,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:28,249 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:28,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:28,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:28,250 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:28,251 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:28,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:28,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:28,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:28,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:28,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:28,256 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:28,256 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:28,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:28,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:28,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:28,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:28,258 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:28,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:28,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:28,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:28,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:28,263 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:28,263 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:28,263 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:28,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:28,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:28,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:28,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:28,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:28,265 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:28,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:28,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:28,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:28,536 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:28,536 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:28,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2024-09-21 19:07:29,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:30,153 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:30,154 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2024-09-21 19:07:30,161 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b355ca7d2/896f32005876408889bcb6d92a5ee940/FLAGbe692d6b8 [2024-09-21 19:07:30,173 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b355ca7d2/896f32005876408889bcb6d92a5ee940 [2024-09-21 19:07:30,175 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:30,175 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:30,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/mod3.c.v+cfa-reducer.yml/output/witness-2.1.yml [2024-09-21 19:07:30,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:30,221 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:30,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:30,222 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:30,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:30,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:30" (1/2) ... [2024-09-21 19:07:30,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a42c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:30, skipping insertion in model container [2024-09-21 19:07:30,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:30" (1/2) ... [2024-09-21 19:07:30,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@35e7b1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:30, skipping insertion in model container [2024-09-21 19:07:30,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:30" (2/2) ... [2024-09-21 19:07:30,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a42c7b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30, skipping insertion in model container [2024-09-21 19:07:30,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:30" (2/2) ... [2024-09-21 19:07:30,237 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:30,238 INFO L1541 ArrayList]: Function contract at [L9]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:30,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:30,413 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-industry-pattern/mod3.c.v+cfa-reducer.c[1250,1263] [2024-09-21 19:07:30,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:30,430 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:07:30,480 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-industry-pattern/mod3.c.v+cfa-reducer.c[1250,1263] [2024-09-21 19:07:30,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:30,502 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:30,502 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30 WrapperNode [2024-09-21 19:07:30,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:30,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:30,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:30,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:30,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (1/1) ... [2024-09-21 19:07:30,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (1/1) ... [2024-09-21 19:07:30,526 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (1/1) ... [2024-09-21 19:07:30,533 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:07:30,534 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (1/1) ... [2024-09-21 19:07:30,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (1/1) ... [2024-09-21 19:07:30,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (1/1) ... [2024-09-21 19:07:30,539 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (1/1) ... [2024-09-21 19:07:30,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (1/1) ... [2024-09-21 19:07:30,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (1/1) ... [2024-09-21 19:07:30,542 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:30,543 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:30,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:30,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:30,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (1/1) ... [2024-09-21 19:07:30,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:30,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:30,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 19:07:30,574 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 19:07:30,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:30,619 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:30,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:07:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:07:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:07:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:07:30,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:30,675 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:30,677 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:30,700 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:30,793 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:30,818 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:30,818 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 19:07:30,818 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:30 BoogieIcfgContainer [2024-09-21 19:07:30,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:30,820 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:30,821 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:30,822 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:30,823 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:30" (1/4) ... [2024-09-21 19:07:30,823 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@87182d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:30, skipping insertion in model container [2024-09-21 19:07:30,823 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:30" (2/4) ... [2024-09-21 19:07:30,824 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@87182d2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:30, skipping insertion in model container [2024-09-21 19:07:30,824 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:30" (3/4) ... [2024-09-21 19:07:30,824 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@87182d2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:30, skipping insertion in model container [2024-09-21 19:07:30,824 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:30" (4/4) ... [2024-09-21 19:07:30,825 INFO L79 RefereeObserver]: Analyzing ICFG mod3.c.v+cfa-reducer.c [2024-09-21 19:07:30,831 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 19:07:30,832 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 13 edges. [2024-09-21 19:07:30,832 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 16 edges. [2024-09-21 19:07:30,832 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:30,832 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-09-21 19:07:30,871 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 13 edges [2024-09-21 19:07:30,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:30,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:30,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:30,875 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:30,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:30,963 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-21 19:07:30,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:30,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:30,967 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:30,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:30,984 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:07:30,994 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 16 edges [2024-09-21 19:07:30,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:30,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:31,002 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:31,002 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:31,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:31,044 INFO L101 BaseMinimizeStates]: Removed 28 edges and 8 locations by large block encoding [2024-09-21 19:07:31,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:31,044 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:31,045 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:31,045 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:31,053 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 19:07:31,080 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:31,086 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:31,086 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:31,087 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:31,087 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:31,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:31,088 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:31,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:31,092 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:31,092 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:31,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:31,093 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:31,122 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:31,129 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:07:31,134 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@87182d2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:31, skipping insertion in model container [2024-09-21 19:07:31,134 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:07:31,152 INFO L158 Benchmark]: Toolchain (without parser) took 914.53ms. Allocated memory is still 140.5MB. Free memory was 109.4MB in the beginning and 107.7MB in the end (delta: 1.6MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-09-21 19:07:31,153 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory was 67.5MB in the beginning and 67.4MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:31,153 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 140.5MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:31,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.80ms. Allocated memory is still 140.5MB. Free memory was 109.4MB in the beginning and 96.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:07:31,159 INFO L158 Benchmark]: Boogie Preprocessor took 38.08ms. Allocated memory is still 140.5MB. Free memory was 96.1MB in the beginning and 94.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:31,160 INFO L158 Benchmark]: RCFGBuilder took 275.31ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 82.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 19:07:31,161 INFO L158 Benchmark]: Referee took 314.35ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 107.7MB in the end (delta: -25.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-09-21 19:07:31,168 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. Not cycle-free: Subgraph between entry of procedure main and check that a call to reach_error is unreachable at line 63. Not cycle-free: Subgraph between entry of procedure main and exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory was 67.5MB in the beginning and 67.4MB in the end (delta: 157.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 140.5MB. Free memory is still 111.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.80ms. Allocated memory is still 140.5MB. Free memory was 109.4MB in the beginning and 96.1MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.08ms. Allocated memory is still 140.5MB. Free memory was 96.1MB in the beginning and 94.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.31ms. Allocated memory is still 140.5MB. Free memory was 94.1MB in the beginning and 82.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 314.35ms. Allocated memory is still 140.5MB. Free memory was 82.6MB in the beginning and 107.7MB in the end (delta: -25.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:07:31,201 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...