./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark37_conjunctive.yml/witness-2.1.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a9b967e5
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i ../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark37_conjunctive.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-a9b967e-m
[2024-09-11 20:47:56,689 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-11 20:47:56,780 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-11 20:47:56,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-11 20:47:56,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-11 20:47:56,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-11 20:47:56,815 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-11 20:47:56,815 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-11 20:47:56,816 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-11 20:47:56,817 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-11 20:47:56,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-11 20:47:56,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-11 20:47:56,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-11 20:47:56,818 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-11 20:47:56,819 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-11 20:47:56,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-11 20:47:56,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-11 20:47:56,820 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-11 20:47:56,820 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-11 20:47:56,820 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-11 20:47:56,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-11 20:47:56,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-11 20:47:56,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-11 20:47:56,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-11 20:47:56,822 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-11 20:47:56,823 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-11 20:47:56,823 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-11 20:47:56,824 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-11 20:47:56,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-11 20:47:56,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-11 20:47:56,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-11 20:47:56,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-11 20:47:56,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:47:56,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-11 20:47:56,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-11 20:47:56,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-11 20:47:56,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-11 20:47:56,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-11 20:47:56,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-11 20:47:56,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-11 20:47:56,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-11 20:47:56,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-11 20:47:56,832 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-11 20:47:57,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-11 20:47:57,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-11 20:47:57,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-11 20:47:57,080 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-11 20:47:57,081 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-11 20:47:57,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark37_conjunctive.yml/witness-2.1.yml
[2024-09-11 20:47:57,134 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-11 20:47:57,135 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-11 20:47:57,135 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i
[2024-09-11 20:47:58,641 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-11 20:47:58,825 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-11 20:47:58,827 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark37_conjunctive.i
[2024-09-11 20:47:58,834 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/de0f2841e/ec59033aebce452895f612562ee30643/FLAGe4b4fa83b
[2024-09-11 20:47:59,210 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/de0f2841e/ec59033aebce452895f612562ee30643
[2024-09-11 20:47:59,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-11 20:47:59,212 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-11 20:47:59,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-11 20:47:59,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-11 20:47:59,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-11 20:47:59,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:57" (1/2) ...
[2024-09-11 20:47:59,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318cfd01 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:59, skipping insertion in model container
[2024-09-11 20:47:59,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:57" (1/2) ...
[2024-09-11 20:47:59,221 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@53a62477 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:59, skipping insertion in model container
[2024-09-11 20:47:59,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:59" (2/2) ...
[2024-09-11 20:47:59,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318cfd01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59, skipping insertion in model container
[2024-09-11 20:47:59,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:59" (2/2) ...
[2024-09-11 20:47:59,232 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-11 20:47:59,232 INFO L1541 ArrayList]: Loop invariant at [L23-L26] ((x <= y) && (0 <= y))
[2024-09-11 20:47:59,250 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-11 20:47:59,406 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-zilu/benchmark37_conjunctive.i[873,886]
[2024-09-11 20:47:59,418 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:47:59,427 INFO L200 MainTranslator]: Completed pre-run
[2024-09-11 20:47:59,440 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-zilu/benchmark37_conjunctive.i[873,886]
Start Parsing Local
[2024-09-11 20:47:59,473 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-11 20:47:59,489 INFO L204 MainTranslator]: Completed translation
[2024-09-11 20:47:59,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59 WrapperNode
[2024-09-11 20:47:59,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-11 20:47:59,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-11 20:47:59,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-11 20:47:59,491 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-11 20:47:59,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (1/1) ...
[2024-09-11 20:47:59,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (1/1) ...
[2024-09-11 20:47:59,510 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (1/1) ...
[2024-09-11 20:47:59,528 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].
[2024-09-11 20:47:59,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (1/1) ...
[2024-09-11 20:47:59,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (1/1) ...
[2024-09-11 20:47:59,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (1/1) ...
[2024-09-11 20:47:59,538 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (1/1) ...
[2024-09-11 20:47:59,540 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (1/1) ...
[2024-09-11 20:47:59,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (1/1) ...
[2024-09-11 20:47:59,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-11 20:47:59,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-11 20:47:59,544 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-11 20:47:59,544 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-11 20:47:59,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (1/1) ...
[2024-09-11 20:47:59,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-11 20:47:59,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-11 20:47:59,575 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)
[2024-09-11 20:47:59,577 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
[2024-09-11 20:47:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-11 20:47:59,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-11 20:47:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-11 20:47:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-11 20:47:59,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-11 20:47:59,620 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-11 20:47:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2024-09-11 20:47:59,622 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2024-09-11 20:47:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-11 20:47:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-11 20:47:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2024-09-11 20:47:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool
[2024-09-11 20:47:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-11 20:47:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-11 20:47:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-11 20:47:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-09-11 20:47:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-11 20:47:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-09-11 20:47:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-09-11 20:47:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-11 20:47:59,703 INFO L242 CfgBuilder]: Building ICFG
[2024-09-11 20:47:59,706 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-11 20:47:59,831 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live.
[2024-09-11 20:47:59,831 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-11 20:47:59,851 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-11 20:47:59,852 INFO L318 CfgBuilder]: Removed 1 assume(true) statements.
[2024-09-11 20:47:59,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:59 BoogieIcfgContainer
[2024-09-11 20:47:59,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-11 20:47:59,853 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-11 20:47:59,853 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-11 20:47:59,858 INFO L274 PluginConnector]: Referee initialized
[2024-09-11 20:47:59,858 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:57" (1/4) ...
[2024-09-11 20:47:59,859 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6dc47919 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:59, skipping insertion in model container
[2024-09-11 20:47:59,859 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:59" (2/4) ...
[2024-09-11 20:47:59,860 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6dc47919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:59, skipping insertion in model container
[2024-09-11 20:47:59,860 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:59" (3/4) ...
[2024-09-11 20:47:59,860 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6dc47919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:59, skipping insertion in model container
[2024-09-11 20:47:59,860 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:59" (4/4) ...
[2024-09-11 20:47:59,861 INFO L79 RefereeObserver]: Analyzing ICFG benchmark37_conjunctive.i
[2024-09-11 20:47:59,864 INFO L112 InvariantChecker]: Found 1 loops.
[2024-09-11 20:47:59,865 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges.
[2024-09-11 20:47:59,865 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges.
[2024-09-11 20:47:59,865 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges.
[2024-09-11 20:47:59,866 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head
[2024-09-11 20:47:59,902 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-11 20:47:59,903 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:47:59,904 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:47:59,905 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:47:59,907 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:47:59,910 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:47:59,921 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-11 20:47:59,922 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:47:59,922 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:47:59,923 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:47:59,923 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:47:59,924 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:47:59,936 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-11 20:47:59,945 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-11 20:47:59,945 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:47:59,946 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:47:59,946 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:47:59,946 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:47:59,946 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:47:59,955 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-11 20:47:59,956 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:47:59,956 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:47:59,956 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:47:59,956 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:47:59,957 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:47:59,960 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-11 20:47:59,973 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-11 20:47:59,973 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-11 20:47:59,973 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-11 20:47:59,974 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-11 20:47:59,974 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-11 20:47:59,974 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:47:59,976 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-11 20:47:59,976 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-11 20:47:59,977 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-11 20:47:59,977 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-11 20:47:59,977 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-11 20:47:59,977 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-11 20:47:59,990 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness.
[2024-09-11 20:47:59,991 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6dc47919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:59, skipping insertion in model container
[2024-09-11 20:47:59,991 INFO L131 PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-11 20:47:59,993 INFO L158 Benchmark]: Toolchain (without parser) took 780.27ms. Allocated memory is still 174.1MB. Free memory was 118.0MB in the beginning and 81.3MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB.
[2024-09-11 20:47:59,994 INFO L158 Benchmark]: Witness Parser took 1.46ms. Allocated memory is still 174.1MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:47:59,994 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 134.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-11 20:47:59,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.40ms. Allocated memory is still 174.1MB. Free memory was 118.0MB in the beginning and 104.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-11 20:47:59,996 INFO L158 Benchmark]: Boogie Preprocessor took 52.02ms. Allocated memory is still 174.1MB. Free memory was 104.2MB in the beginning and 102.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-11 20:47:59,996 INFO L158 Benchmark]: RCFGBuilder took 308.67ms. Allocated memory is still 174.1MB. Free memory was 102.2MB in the beginning and 89.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-11 20:47:59,997 INFO L158 Benchmark]: Referee took 138.58ms. Allocated memory is still 174.1MB. Free memory was 89.7MB in the beginning and 81.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-09-11 20:48:00,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee:
- AnnotationCheckResult: Annotation is not a valid proof of correctness.
Annotation is not a valid proof of correctness.
Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0.
Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23.
Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23.
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Witness Parser took 1.46ms. Allocated memory is still 174.1MB. Free memory is still 136.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.17ms. Allocated memory is still 174.1MB. Free memory is still 134.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 277.40ms. Allocated memory is still 174.1MB. Free memory was 118.0MB in the beginning and 104.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 52.02ms. Allocated memory is still 174.1MB. Free memory was 104.2MB in the beginning and 102.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 308.67ms. Allocated memory is still 174.1MB. Free memory was 102.2MB in the beginning and 89.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Referee took 138.58ms. Allocated memory is still 174.1MB. Free memory was 89.7MB in the beginning and 81.3MB 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.
[2024-09-11 20:48:00,032 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...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE