This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:42,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:42,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:42,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:42,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:42,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:42,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:42,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:42,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:42,119 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:42,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:42,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:42,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:42,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:42,123 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:42,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:42,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:42,124 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:42,124 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:42,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:42,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:42,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:42,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:42,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:42,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:42,129 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:42,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:42,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:42,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:42,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:42,130 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:42,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:42,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:42,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:42,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:42,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:42,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:42,132 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:42,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:42,135 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:42,135 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:42,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:42,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:42,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:42,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:42,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:42,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:42,402 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:42,403 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:42,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gsv2008.c.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-21 12:47:42,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:42,469 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:42,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2024-09-21 12:47:43,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:44,176 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:44,176 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2024-09-21 12:47:44,182 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/808fcd377/ae1e65a32d744a7c8fceafd877d06663/FLAGc768b1f6d [2024-09-21 12:47:44,563 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/808fcd377/ae1e65a32d744a7c8fceafd877d06663 [2024-09-21 12:47:44,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:44,565 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:44,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:44,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:44,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:44,572 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 12:47:42" (1/2) ... [2024-09-21 12:47:44,573 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f68a48 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:44, skipping insertion in model container [2024-09-21 12:47:44,573 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 12:47:42" (1/2) ... [2024-09-21 12:47:44,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cc16a32 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:44, skipping insertion in model container [2024-09-21 12:47:44,575 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:44" (2/2) ... [2024-09-21 12:47:44,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f68a48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44, skipping insertion in model container [2024-09-21 12:47:44,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:44" (2/2) ... [2024-09-21 12:47:44,581 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:44,582 INFO L1541 ArrayList]: Location invariant before [L33-L67] ((main__x < 0) || (0 < main__y)) [2024-09-21 12:47:44,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:44,769 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-lit/gsv2008.c.i.v+lhb-reducer.c[1238,1251] [2024-09-21 12:47:44,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:44,789 INFO L200 MainTranslator]: Completed pre-run [2024-09-21 12:47:44,810 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-lit/gsv2008.c.i.v+lhb-reducer.c[1238,1251] Start Parsing Local [2024-09-21 12:47:44,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:44,861 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:44,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44 WrapperNode [2024-09-21 12:47:44,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:44,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:44,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:44,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:44,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (1/1) ... [2024-09-21 12:47:44,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (1/1) ... [2024-09-21 12:47:44,884 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (1/1) ... [2024-09-21 12:47:44,901 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-21 12:47:44,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (1/1) ... [2024-09-21 12:47:44,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (1/1) ... [2024-09-21 12:47:44,910 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (1/1) ... [2024-09-21 12:47:44,912 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (1/1) ... [2024-09-21 12:47:44,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (1/1) ... [2024-09-21 12:47:44,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (1/1) ... [2024-09-21 12:47:44,916 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:44,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:44,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:44,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:44,922 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (1/1) ... [2024-09-21 12:47:44,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:44,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:44,953 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 12:47:44,955 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 12:47:45,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:45,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:45,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:47:45,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:45,002 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:47:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:47:45,003 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-21 12:47:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-21 12:47:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-21 12:47:45,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:45,071 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:45,074 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:45,191 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:45,218 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:45,218 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-21 12:47:45,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:45 BoogieIcfgContainer [2024-09-21 12:47:45,218 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:45,219 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:45,219 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:45,220 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:45,221 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 12:47:42" (1/4) ... [2024-09-21 12:47:45,222 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a81d637 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:45, skipping insertion in model container [2024-09-21 12:47:45,222 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:44" (2/4) ... [2024-09-21 12:47:45,222 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a81d637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:45, skipping insertion in model container [2024-09-21 12:47:45,222 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:44" (3/4) ... [2024-09-21 12:47:45,223 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a81d637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:45, skipping insertion in model container [2024-09-21 12:47:45,223 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:45" (4/4) ... [2024-09-21 12:47:45,224 INFO L79 RefereeObserver]: Analyzing ICFG gsv2008.c.i.v+lhb-reducer.c [2024-09-21 12:47:45,227 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-21 12:47:45,228 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:47:45,228 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 11 edges. [2024-09-21 12:47:45,228 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-21 12:47:45,269 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:47:45,270 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:45,271 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:45,271 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:45,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:45,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:45,289 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:47:45,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:45,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:45,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:45,291 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:45,291 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:45,324 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:45,348 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 11 edges [2024-09-21 12:47:45,348 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:45,348 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:45,348 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:45,348 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:45,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:45,389 INFO L101 BaseMinimizeStates]: Removed 17 edges and 8 locations by large block encoding [2024-09-21 12:47:45,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:45,390 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:45,390 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:45,390 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:45,390 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 3 edges [2024-09-21 12:47:45,400 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 12:47:45,400 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a81d637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:45, skipping insertion in model container [2024-09-21 12:47:45,401 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:45,403 INFO L158 Benchmark]: Toolchain (without parser) took 837.62ms. Allocated memory is still 176.2MB. Free memory was 143.1MB in the beginning and 106.5MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:45,404 INFO L158 Benchmark]: Witness Parser took 0.66ms. Allocated memory is still 125.8MB. Free memory was 88.3MB in the beginning and 88.1MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:45,404 INFO L158 Benchmark]: CDTParser took 1.14ms. Allocated memory is still 125.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:45,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.04ms. Allocated memory is still 176.2MB. Free memory was 143.1MB in the beginning and 129.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:45,406 INFO L158 Benchmark]: Boogie Preprocessor took 56.53ms. Allocated memory is still 176.2MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:45,406 INFO L158 Benchmark]: RCFGBuilder took 297.53ms. Allocated memory is still 176.2MB. Free memory was 127.4MB in the beginning and 115.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:45,407 INFO L158 Benchmark]: Referee took 182.09ms. Allocated memory is still 176.2MB. Free memory was 115.5MB in the beginning and 106.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-21 12:47:45,411 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 57. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 33. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.66ms. Allocated memory is still 125.8MB. Free memory was 88.3MB in the beginning and 88.1MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.14ms. Allocated memory is still 125.8MB. Free memory is still 99.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.04ms. Allocated memory is still 176.2MB. Free memory was 143.1MB in the beginning and 129.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.53ms. Allocated memory is still 176.2MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.53ms. Allocated memory is still 176.2MB. Free memory was 127.4MB in the beginning and 115.5MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 182.09ms. Allocated memory is still 176.2MB. Free memory was 115.5MB in the beginning and 106.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 12:47:45,440 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...