This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:09:25,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:25,247 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:09:25,253 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:25,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:25,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:25,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:25,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:25,285 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:25,287 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:25,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:25,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:25,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:25,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:25,290 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:25,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:25,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:25,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:25,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:09:25,292 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:25,292 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:25,292 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:25,293 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:25,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:25,293 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:25,294 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:25,296 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:25,296 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:25,296 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:25,297 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:25,297 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:25,297 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:25,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:25,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:25,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:25,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:25,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:25,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:09:25,300 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:09:25,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:25,300 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:25,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:25,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:25,301 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:25,598 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:25,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:25,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:25,627 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:25,627 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:25,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gauss_sum.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-20 20:09:25,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:25,687 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:25,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c [2024-09-20 20:09:27,146 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:27,341 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:27,344 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c [2024-09-20 20:09:27,352 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8abe762c8/ff37de8ac3d84029aba0532d9b925e76/FLAGfba67f57c [2024-09-20 20:09:27,368 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8abe762c8/ff37de8ac3d84029aba0532d9b925e76 [2024-09-20 20:09:27,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:27,369 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:27,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:27,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:27,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:27,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:25" (1/2) ... [2024-09-20 20:09:27,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec886ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:27, skipping insertion in model container [2024-09-20 20:09:27,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:25" (1/2) ... [2024-09-20 20:09:27,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78a6328c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:27, skipping insertion in model container [2024-09-20 20:09:27,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:27" (2/2) ... [2024-09-20 20:09:27,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec886ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27, skipping insertion in model container [2024-09-20 20:09:27,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:27" (2/2) ... [2024-09-20 20:09:27,392 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:27,394 INFO L1541 ArrayList]: Location invariant before [L54-L78] ((((((long long) main__sum * 2) == (((long long) main__n * main__n) + main__n)) || (main__i < ((long long) main__n + 1))) && (1 <= main__n)) && ((((long long) main__sum * 2) + main__i) == ((long long) main__i * main__i))) [2024-09-20 20:09:27,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:27,579 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-new/gauss_sum.i.p+lhb-reducer.c[1444,1457] [2024-09-20 20:09:27,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:27,599 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 20:09:27,620 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-new/gauss_sum.i.p+lhb-reducer.c[1444,1457] Start Parsing Local [2024-09-20 20:09:27,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:27,668 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:27,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27 WrapperNode [2024-09-20 20:09:27,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:27,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:27,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:27,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:27,682 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (1/1) ... [2024-09-20 20:09:27,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (1/1) ... [2024-09-20 20:09:27,691 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (1/1) ... [2024-09-20 20:09:27,710 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]. [2024-09-20 20:09:27,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (1/1) ... [2024-09-20 20:09:27,710 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (1/1) ... [2024-09-20 20:09:27,718 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (1/1) ... [2024-09-20 20:09:27,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (1/1) ... [2024-09-20 20:09:27,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (1/1) ... [2024-09-20 20:09:27,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (1/1) ... [2024-09-20 20:09:27,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:27,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:27,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:27,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:27,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (1/1) ... [2024-09-20 20:09:27,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:27,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:27,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:09:27,772 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:09:27,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:27,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:27,818 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:27,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:09:27,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:09:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:09:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:09:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 20:09:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-20 20:09:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-20 20:09:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:27,962 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:27,966 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:28,152 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:28,182 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:28,182 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:09:28,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:28 BoogieIcfgContainer [2024-09-20 20:09:28,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:28,183 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:28,183 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:28,184 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:28,184 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:25" (1/4) ... [2024-09-20 20:09:28,184 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5dd40d37 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:28, skipping insertion in model container [2024-09-20 20:09:28,184 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:27" (2/4) ... [2024-09-20 20:09:28,185 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5dd40d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:28, skipping insertion in model container [2024-09-20 20:09:28,185 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:27" (3/4) ... [2024-09-20 20:09:28,185 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5dd40d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:28, skipping insertion in model container [2024-09-20 20:09:28,185 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:28" (4/4) ... [2024-09-20 20:09:28,186 INFO L79 RefereeObserver]: Analyzing ICFG gauss_sum.i.p+lhb-reducer.c [2024-09-20 20:09:28,190 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:09:28,190 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-20 20:09:28,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 13 edges. [2024-09-20 20:09:28,191 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:09:28,238 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 11 edges [2024-09-20 20:09:28,243 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:28,244 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:28,244 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:28,245 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:28,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:28,294 INFO L101 BaseMinimizeStates]: Removed 18 edges and 8 locations by large block encoding [2024-09-20 20:09:28,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:28,299 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:28,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:28,300 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:28,301 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-20 20:09:28,302 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-20 20:09:28,306 INFO L158 Benchmark]: Toolchain (without parser) took 935.72ms. Allocated memory is still 157.3MB. Free memory was 122.5MB in the beginning and 111.3MB in the end (delta: 11.2MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-09-20 20:09:28,306 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:28,306 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 157.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:28,306 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.29ms. Allocated memory is still 157.3MB. Free memory was 121.7MB in the beginning and 107.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:28,307 INFO L158 Benchmark]: Boogie Preprocessor took 60.69ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 105.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:28,307 INFO L158 Benchmark]: RCFGBuilder took 451.89ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 119.7MB in the end (delta: -14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-20 20:09:28,308 INFO L158 Benchmark]: Referee took 121.52ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 111.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-20 20:09:28,309 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 126.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.31ms. Allocated memory is still 157.3MB. Free memory is still 125.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.29ms. Allocated memory is still 157.3MB. Free memory was 121.7MB in the beginning and 107.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.69ms. Allocated memory is still 157.3MB. Free memory was 107.7MB in the beginning and 105.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.89ms. Allocated memory is still 157.3MB. Free memory was 105.7MB in the beginning and 119.7MB in the end (delta: -14.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 121.52ms. Allocated memory is still 157.3MB. Free memory was 119.7MB in the beginning and 111.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:09:28,352 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... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:09:30,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:09:30,601 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:09:30,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:09:30,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:09:30,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:09:30,648 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:09:30,649 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:09:30,649 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:09:30,651 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:09:30,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:09:30,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:09:30,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:09:30,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:09:30,653 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:09:30,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:09:30,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:09:30,654 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:09:30,654 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:09:30,654 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:09:30,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:09:30,660 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:09:30,660 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:09:30,661 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:09:30,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:09:30,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:09:30,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:09:30,661 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:09:30,662 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:09:30,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:09:30,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:09:30,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:09:30,663 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:09:30,663 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:09:30,663 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:09:30,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:30,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:09:30,666 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:09:30,666 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:09:30,666 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:09:30,666 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:09:30,667 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:09:30,667 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:09:30,667 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:09:30,667 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:09:30,668 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:09:30,668 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:09:30,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:09:30,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:09:30,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:09:30,985 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:09:30,986 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:09:30,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gauss_sum.i.p+lhb-reducer.yml/witness-2.1.yml [2024-09-20 20:09:31,030 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:09:31,030 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:09:31,030 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c [2024-09-20 20:09:32,416 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:09:32,601 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:09:32,602 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c [2024-09-20 20:09:32,611 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2d58ffbec/27196536dcac48cbb731f54b01eb3d24/FLAG733ea9e51 [2024-09-20 20:09:32,993 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2d58ffbec/27196536dcac48cbb731f54b01eb3d24 [2024-09-20 20:09:32,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:09:32,995 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:09:32,996 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:32,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:09:33,001 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:09:33,001 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:31" (1/2) ... [2024-09-20 20:09:33,005 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a43c2ac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:33, skipping insertion in model container [2024-09-20 20:09:33,006 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:31" (1/2) ... [2024-09-20 20:09:33,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43d232b2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:09:33, skipping insertion in model container [2024-09-20 20:09:33,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:32" (2/2) ... [2024-09-20 20:09:33,007 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a43c2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33, skipping insertion in model container [2024-09-20 20:09:33,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:09:32" (2/2) ... [2024-09-20 20:09:33,016 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:09:33,016 INFO L1541 ArrayList]: Location invariant before [L54-L78] ((((((long long) main__sum * 2) == (((long long) main__n * main__n) + main__n)) || (main__i < ((long long) main__n + 1))) && (1 <= main__n)) && ((((long long) main__sum * 2) + main__i) == ((long long) main__i * main__i))) [2024-09-20 20:09:33,035 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:09:33,213 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-new/gauss_sum.i.p+lhb-reducer.c[1444,1457] [2024-09-20 20:09:33,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:33,236 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 20:09:33,256 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-new/gauss_sum.i.p+lhb-reducer.c[1444,1457] Start Parsing Local [2024-09-20 20:09:33,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:09:33,317 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:09:33,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33 WrapperNode [2024-09-20 20:09:33,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:09:33,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:09:33,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:09:33,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:09:33,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (1/1) ... [2024-09-20 20:09:33,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (1/1) ... [2024-09-20 20:09:33,340 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (1/1) ... [2024-09-20 20:09:33,357 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]. [2024-09-20 20:09:33,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (1/1) ... [2024-09-20 20:09:33,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (1/1) ... [2024-09-20 20:09:33,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (1/1) ... [2024-09-20 20:09:33,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (1/1) ... [2024-09-20 20:09:33,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (1/1) ... [2024-09-20 20:09:33,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (1/1) ... [2024-09-20 20:09:33,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:09:33,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:09:33,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:09:33,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:09:33,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (1/1) ... [2024-09-20 20:09:33,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:09:33,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:09:33,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 20:09:33,417 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 20:09:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:09:33,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:09:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:09:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:09:33,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:09:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:09:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:09:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:09:33,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:09:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:09:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:09:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 20:09:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:09:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:09:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-20 20:09:33,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:09:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-20 20:09:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-20 20:09:33,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:09:33,535 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:09:33,537 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:09:35,317 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:09:35,358 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:09:35,359 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-20 20:09:35,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:35 BoogieIcfgContainer [2024-09-20 20:09:35,359 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:09:35,360 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:09:35,360 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:09:35,361 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:09:35,361 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:09:31" (1/4) ... [2024-09-20 20:09:35,362 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c813d07 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:09:35, skipping insertion in model container [2024-09-20 20:09:35,362 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:09:32" (2/4) ... [2024-09-20 20:09:35,362 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c813d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:35, skipping insertion in model container [2024-09-20 20:09:35,362 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:09:33" (3/4) ... [2024-09-20 20:09:35,363 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c813d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:09:35, skipping insertion in model container [2024-09-20 20:09:35,363 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:09:35" (4/4) ... [2024-09-20 20:09:35,364 INFO L79 RefereeObserver]: Analyzing ICFG gauss_sum.i.p+lhb-reducer.c [2024-09-20 20:09:35,367 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-20 20:09:35,368 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-20 20:09:35,368 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 13 edges. [2024-09-20 20:09:35,368 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:09:35,424 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 11 edges [2024-09-20 20:09:35,425 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:09:35,425 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:09:35,426 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:09:35,427 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:09:35,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,474 INFO L101 BaseMinimizeStates]: Removed 18 edges and 8 locations by large block encoding [2024-09-20 20:09:35,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:09:35,475 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:09:35,475 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:09:35,476 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:09:35,476 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-20 20:09:35,477 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-20 20:09:35,484 INFO L158 Benchmark]: Toolchain (without parser) took 2488.92ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 31.9MB in the end (delta: 8.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,485 INFO L158 Benchmark]: Witness Parser took 0.66ms. Allocated memory is still 46.1MB. Free memory was 27.6MB in the beginning and 27.6MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:35,486 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 46.1MB. Free memory is still 25.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:09:35,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.92ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 43.0MB in the end (delta: -3.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,487 INFO L158 Benchmark]: Boogie Preprocessor took 59.08ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 40.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,488 INFO L158 Benchmark]: RCFGBuilder took 1980.41ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 25.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,489 INFO L158 Benchmark]: Referee took 122.95ms. Allocated memory is still 62.9MB. Free memory was 25.7MB in the beginning and 31.9MB in the end (delta: -6.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-09-20 20:09:35,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.66ms. Allocated memory is still 46.1MB. Free memory was 27.6MB in the beginning and 27.6MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 46.1MB. Free memory is still 25.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.92ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 43.0MB in the end (delta: -3.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.08ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 40.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1980.41ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 25.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 122.95ms. Allocated memory is still 62.9MB. Free memory was 25.7MB in the beginning and 31.9MB in the end (delta: -6.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:09:35,522 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...