This is Ultimate 0.2.4-dev-5189fb6-m
[2024-09-13 05:03:48,610 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-13 05:03:48,664 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-13 05:03:48,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-13 05:03:48,677 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-13 05:03:48,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-13 05:03:48,708 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-13 05:03:48,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-13 05:03:48,709 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-13 05:03:48,710 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-13 05:03:48,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-13 05:03:48,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-13 05:03:48,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-13 05:03:48,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-13 05:03:48,713 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-13 05:03:48,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-13 05:03:48,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-13 05:03:48,714 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-13 05:03:48,714 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-13 05:03:48,714 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-13 05:03:48,714 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-13 05:03:48,718 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-13 05:03:48,718 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-13 05:03:48,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-13 05:03:48,718 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-13 05:03:48,719 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-13 05:03:48,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-13 05:03:48,719 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-13 05:03:48,719 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-13 05:03:48,719 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-13 05:03:48,719 INFO L153 SettingsManager]: * Future-live optimization=false
[2024-09-13 05:03:48,720 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-13 05:03:48,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-13 05:03:48,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 05:03:48,720 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-13 05:03:48,720 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-13 05:03:48,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-13 05:03:48,721 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-13 05:03:48,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-13 05:03:48,722 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-13 05:03:48,722 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-13 05:03:48,723 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-13 05:03:48,723 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-13 05:03:48,723 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-13 05:03:48,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-13 05:03:48,954 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-13 05:03:48,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-13 05:03:48,957 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-13 05:03:48,958 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-13 05:03:48,959 INFO L431 ainManager$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
[2024-09-13 05:03:49,007 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-13 05:03:49,007 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-13 05:03:49,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c
[2024-09-13 05:03:50,420 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-13 05:03:50,584 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-13 05:03:50,585 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c
[2024-09-13 05:03:50,592 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3e98955b7/a4dcacae5cc14867a7129181aa8c34fc/FLAG40a2c3a07
[2024-09-13 05:03:50,606 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3e98955b7/a4dcacae5cc14867a7129181aa8c34fc
[2024-09-13 05:03:50,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-13 05:03:50,608 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-13 05:03:50,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-13 05:03:50,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-13 05:03:50,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-13 05:03:50,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:49" (1/2) ...
[2024-09-13 05:03:50,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85ccaf4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:50, skipping insertion in model container
[2024-09-13 05:03:50,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:49" (1/2) ...
[2024-09-13 05:03:50,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dc27b27 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:50, skipping insertion in model container
[2024-09-13 05:03:50,615 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:50" (2/2) ...
[2024-09-13 05:03:50,616 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@85ccaf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50, skipping insertion in model container
[2024-09-13 05:03:50,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:50" (2/2) ...
[2024-09-13 05:03:50,621 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-13 05:03:50,622 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)))
[2024-09-13 05:03:50,640 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-13 05:03:50,781 WARN L247 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]
[2024-09-13 05:03:50,786 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-13 05:03:50,801 INFO L200 MainTranslator]: Completed pre-run
[2024-09-13 05:03:50,827 WARN L247 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
[2024-09-13 05:03:50,863 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-13 05:03:50,882 INFO L204 MainTranslator]: Completed translation
[2024-09-13 05:03:50,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50 WrapperNode
[2024-09-13 05:03:50,882 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-13 05:03:50,883 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-13 05:03:50,883 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-13 05:03:50,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-13 05:03:50,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (1/1) ...
[2024-09-13 05:03:50,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (1/1) ...
[2024-09-13 05:03:50,902 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (1/1) ...
[2024-09-13 05:03:50,917 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].
[2024-09-13 05:03:50,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (1/1) ...
[2024-09-13 05:03:50,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (1/1) ...
[2024-09-13 05:03:50,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (1/1) ...
[2024-09-13 05:03:50,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (1/1) ...
[2024-09-13 05:03:50,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (1/1) ...
[2024-09-13 05:03:50,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (1/1) ...
[2024-09-13 05:03:50,937 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-13 05:03:50,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-13 05:03:50,938 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-13 05:03:50,938 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-13 05:03:50,939 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (1/1) ...
[2024-09-13 05:03:50,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 05:03:50,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-13 05:03:50,972 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)
[2024-09-13 05:03:50,974 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-13 05:03:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-13 05:03:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-13 05:03:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-13 05:03:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-13 05:03:51,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-13 05:03:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-13 05:03:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-13 05:03:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-13 05:03:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-13 05:03:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-13 05:03:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-13 05:03:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2024-09-13 05:03:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-13 05:03:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-13 05:03:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-13 05:03:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-13 05:03:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-09-13 05:03:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-09-13 05:03:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-13 05:03:51,075 INFO L242 CfgBuilder]: Building ICFG
[2024-09-13 05:03:51,077 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-13 05:03:51,214 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-13 05:03:51,243 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-13 05:03:51,243 INFO L318 CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-13 05:03:51,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:51 BoogieIcfgContainer
[2024-09-13 05:03:51,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-13 05:03:51,245 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-13 05:03:51,245 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-13 05:03:51,246 INFO L274 PluginConnector]: Referee initialized
[2024-09-13 05:03:51,246 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:49" (1/4) ...
[2024-09-13 05:03:51,246 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e92053c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:51, skipping insertion in model container
[2024-09-13 05:03:51,246 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:03:50" (2/4) ...
[2024-09-13 05:03:51,247 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e92053c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:51, skipping insertion in model container
[2024-09-13 05:03:51,247 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:50" (3/4) ...
[2024-09-13 05:03:51,247 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@e92053c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:51, skipping insertion in model container
[2024-09-13 05:03:51,247 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:51" (4/4) ...
[2024-09-13 05:03:51,248 INFO L79 RefereeObserver]: Analyzing ICFG gauss_sum.i.p+lhb-reducer.c
[2024-09-13 05:03:51,251 INFO L112 InvariantChecker]: Found 0 loops.
[2024-09-13 05:03:51,251 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges.
[2024-09-13 05:03:51,251 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 13 edges.
[2024-09-13 05:03:51,252 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location
[2024-09-13 05:03:51,292 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 11 edges
[2024-09-13 05:03:51,297 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-13 05:03:51,297 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 05:03:51,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 05:03:51,301 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 05:03:51,303 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:03:51,355 INFO L101 BaseMinimizeStates]: Removed 18 edges and 8 locations by large block encoding
[2024-09-13 05:03:51,356 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:03:51,356 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 05:03:51,356 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 05:03:51,356 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-13 05:03:51,357 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges
[2024-09-13 05:03:51,357 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.<init>(AcyclicSubgraphMerger.java:169)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.<init>(InvariantChecker.java:144)
at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.<init>(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)
[2024-09-13 05:03:51,362 INFO L158 Benchmark]: Toolchain (without parser) took 752.85ms. Allocated memory is still 165.7MB. Free memory was 110.6MB in the beginning and 72.2MB in the end (delta: 38.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB.
[2024-09-13 05:03:51,362 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 05:03:51,363 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 165.7MB. Free memory was 128.7MB in the beginning and 128.5MB in the end (delta: 251.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 05:03:51,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.05ms. Allocated memory is still 165.7MB. Free memory was 110.6MB in the beginning and 97.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-13 05:03:51,364 INFO L158 Benchmark]: Boogie Preprocessor took 53.65ms. Allocated memory is still 165.7MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-13 05:03:51,364 INFO L158 Benchmark]: RCFGBuilder took 306.65ms. Allocated memory is still 165.7MB. Free memory was 94.6MB in the beginning and 81.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-13 05:03:51,365 INFO L158 Benchmark]: Referee took 115.06ms. Allocated memory is still 165.7MB. Free memory was 81.3MB in the beginning and 72.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-09-13 05:03:51,367 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.<init>(AcyclicSubgraphMerger.java:169)
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Witness Parser took 0.18ms. Allocated memory is still 165.7MB. Free memory is still 130.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.11ms. Allocated memory is still 165.7MB. Free memory was 128.7MB in the beginning and 128.5MB in the end (delta: 251.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 274.05ms. Allocated memory is still 165.7MB. Free memory was 110.6MB in the beginning and 97.4MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 53.65ms. Allocated memory is still 165.7MB. Free memory was 97.4MB in the beginning and 95.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 306.65ms. Allocated memory is still 165.7MB. Free memory was 94.6MB in the beginning and 81.3MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Referee took 115.06ms. Allocated memory is still 165.7MB. Free memory was 81.3MB in the beginning and 72.2MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-13 05:03:51,386 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-dev-5189fb6-m
[2024-09-13 05:03:53,497 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-13 05:03:53,580 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf
[2024-09-13 05:03:53,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-13 05:03:53,587 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-13 05:03:53,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-13 05:03:53,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-13 05:03:53,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-13 05:03:53,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-13 05:03:53,621 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-13 05:03:53,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-13 05:03:53,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-13 05:03:53,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-13 05:03:53,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-13 05:03:53,626 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-13 05:03:53,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-13 05:03:53,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-13 05:03:53,628 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-13 05:03:53,631 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-13 05:03:53,631 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-13 05:03:53,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-13 05:03:53,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-13 05:03:53,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-13 05:03:53,632 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true
[2024-09-13 05:03:53,633 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-09-13 05:03:53,633 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-13 05:03:53,633 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-09-13 05:03:53,633 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-13 05:03:53,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-13 05:03:53,634 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-13 05:03:53,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-13 05:03:53,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-13 05:03:53,635 INFO L153 SettingsManager]: * Future-live optimization=false
[2024-09-13 05:03:53,635 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-13 05:03:53,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-13 05:03:53,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 05:03:53,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-13 05:03:53,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-13 05:03:53,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-13 05:03:53,638 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF
[2024-09-13 05:03:53,639 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-09-13 05:03:53,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-13 05:03:53,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-13 05:03:53,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-13 05:03:53,640 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-13 05:03:53,640 INFO L153 SettingsManager]: * Logic for external solver=AUFBV
[2024-09-13 05:03:53,640 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-13 05:03:53,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-13 05:03:53,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-13 05:03:53,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-13 05:03:53,964 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-13 05:03:53,964 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-13 05:03:53,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c
[2024-09-13 05:03:55,386 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-13 05:03:55,572 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-13 05:03:55,572 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/gauss_sum.i.p+lhb-reducer.c
[2024-09-13 05:03:55,579 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9ff2295ec/92007726a6334339b55c796d0d8d9996/FLAG8916b4673
[2024-09-13 05:03:55,594 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9ff2295ec/92007726a6334339b55c796d0d8d9996
[2024-09-13 05:03:55,597 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-13 05:03:55,599 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-13 05:03:55,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/gauss_sum.i.p+lhb-reducer.yml/witness-2.1.yml
[2024-09-13 05:03:55,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-13 05:03:55,648 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-13 05:03:55,650 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-13 05:03:55,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-13 05:03:55,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-13 05:03:55,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:55" (1/2) ...
[2024-09-13 05:03:55,658 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae13ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:55, skipping insertion in model container
[2024-09-13 05:03:55,658 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:55" (1/2) ...
[2024-09-13 05:03:55,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f77ef50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:55, skipping insertion in model container
[2024-09-13 05:03:55,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:55" (2/2) ...
[2024-09-13 05:03:55,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ae13ad0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:55, skipping insertion in model container
[2024-09-13 05:03:55,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:55" (2/2) ...
[2024-09-13 05:03:55,668 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-13 05:03:55,669 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)))
[2024-09-13 05:03:55,693 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-13 05:03:55,877 WARN L247 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]
[2024-09-13 05:03:55,886 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-13 05:03:55,899 INFO L200 MainTranslator]: Completed pre-run
[2024-09-13 05:03:55,920 WARN L247 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
[2024-09-13 05:03:55,957 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-13 05:03:55,976 INFO L204 MainTranslator]: Completed translation
[2024-09-13 05:03:55,976 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:55 WrapperNode
[2024-09-13 05:03:55,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-13 05:03:55,978 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-13 05:03:55,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-13 05:03:55,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-13 05:03:55,990 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 13.09 05:03:55" (1/1) ...
[2024-09-13 05:03:55,990 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 13.09 05:03:55" (1/1) ...
[2024-09-13 05:03:55,997 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 13.09 05:03:55" (1/1) ...
[2024-09-13 05:03:56,013 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].
[2024-09-13 05:03:56,014 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 13.09 05:03:55" (1/1) ...
[2024-09-13 05:03:56,014 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 13.09 05:03:55" (1/1) ...
[2024-09-13 05:03:56,024 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 13.09 05:03:55" (1/1) ...
[2024-09-13 05:03:56,028 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 13.09 05:03:55" (1/1) ...
[2024-09-13 05:03:56,029 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 13.09 05:03:55" (1/1) ...
[2024-09-13 05:03:56,031 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 13.09 05:03:55" (1/1) ...
[2024-09-13 05:03:56,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-13 05:03:56,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-13 05:03:56,035 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-13 05:03:56,035 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-13 05:03:56,035 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 13.09 05:03:55" (1/1) ...
[2024-09-13 05:03:56,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-13 05:03:56,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-13 05:03:56,063 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)
[2024-09-13 05:03:56,070 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
[2024-09-13 05:03:56,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-13 05:03:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-13 05:03:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-13 05:03:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-13 05:03:56,110 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-13 05:03:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-13 05:03:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-13 05:03:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-13 05:03:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-13 05:03:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-13 05:03:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-13 05:03:56,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2024-09-13 05:03:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-13 05:03:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-13 05:03:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-09-13 05:03:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-13 05:03:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0
[2024-09-13 05:03:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0
[2024-09-13 05:03:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-13 05:03:56,181 INFO L242 CfgBuilder]: Building ICFG
[2024-09-13 05:03:56,182 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-13 05:03:57,820 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-13 05:03:57,870 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-13 05:03:57,871 INFO L318 CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-13 05:03:57,871 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:57 BoogieIcfgContainer
[2024-09-13 05:03:57,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-13 05:03:57,873 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-13 05:03:57,873 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-13 05:03:57,874 INFO L274 PluginConnector]: Referee initialized
[2024-09-13 05:03:57,874 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:03:55" (1/4) ...
[2024-09-13 05:03:57,875 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b23ecf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:57, skipping insertion in model container
[2024-09-13 05:03:57,875 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:55" (2/4) ...
[2024-09-13 05:03:57,875 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b23ecf7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:57, skipping insertion in model container
[2024-09-13 05:03:57,876 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 13.09 05:03:55" (3/4) ...
[2024-09-13 05:03:57,877 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5b23ecf7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:57, skipping insertion in model container
[2024-09-13 05:03:57,877 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:57" (4/4) ...
[2024-09-13 05:03:57,878 INFO L79 RefereeObserver]: Analyzing ICFG gauss_sum.i.p+lhb-reducer.c
[2024-09-13 05:03:57,881 INFO L112 InvariantChecker]: Found 0 loops.
[2024-09-13 05:03:57,881 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges.
[2024-09-13 05:03:57,882 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 13 edges.
[2024-09-13 05:03:57,882 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location
[2024-09-13 05:03:57,934 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 11 edges
[2024-09-13 05:03:57,936 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-13 05:03:57,936 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-13 05:03:57,938 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-13 05:03:57,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-13 05:03:57,940 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:03:58,002 INFO L101 BaseMinimizeStates]: Removed 18 edges and 8 locations by large block encoding
[2024-09-13 05:03:58,003 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-13 05:03:58,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-13 05:03:58,003 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-13 05:03:58,004 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-13 05:03:58,004 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges
[2024-09-13 05:03:58,005 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.<init>(AcyclicSubgraphMerger.java:169)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.<init>(InvariantChecker.java:144)
at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.<init>(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)
[2024-09-13 05:03:58,010 INFO L158 Benchmark]: Toolchain (without parser) took 2362.00ms. Allocated memory is still 75.5MB. Free memory was 41.0MB in the beginning and 40.7MB in the end (delta: 286.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 05:03:58,011 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 05:03:58,011 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 75.5MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-13 05:03:58,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.74ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 46.5MB in the end (delta: -5.7MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB.
[2024-09-13 05:03:58,013 INFO L158 Benchmark]: Boogie Preprocessor took 55.87ms. Allocated memory is still 75.5MB. Free memory was 46.5MB in the beginning and 44.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-13 05:03:58,014 INFO L158 Benchmark]: RCFGBuilder took 1837.99ms. Allocated memory is still 75.5MB. Free memory was 44.1MB in the beginning and 52.3MB in the end (delta: -8.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-13 05:03:58,014 INFO L158 Benchmark]: Referee took 136.05ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 40.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-09-13 05:03:58,018 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.<init>(AcyclicSubgraphMerger.java:169)
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.19ms. Allocated memory is still 54.5MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.14ms. Allocated memory is still 75.5MB. Free memory is still 42.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 327.74ms. Allocated memory is still 75.5MB. Free memory was 40.8MB in the beginning and 46.5MB in the end (delta: -5.7MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 55.87ms. Allocated memory is still 75.5MB. Free memory was 46.5MB in the beginning and 44.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 1837.99ms. Allocated memory is still 75.5MB. Free memory was 44.1MB in the beginning and 52.3MB in the end (delta: -8.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Referee took 136.05ms. Allocated memory is still 75.5MB. Free memory was 52.3MB in the beginning and 40.7MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
[2024-09-13 05:03:58,051 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...