This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m
[2024-09-21 19:07:16,111 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-21 19:07:16,186 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf
[2024-09-21 19:07:16,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-21 19:07:16,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-21 19:07:16,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-21 19:07:16,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-21 19:07:16,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-21 19:07:16,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-09-21 19:07:16,243 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-09-21 19:07:16,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-21 19:07:16,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-21 19:07:16,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-21 19:07:16,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-21 19:07:16,248 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-21 19:07:16,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-21 19:07:16,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-21 19:07:16,253 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-21 19:07:16,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-21 19:07:16,254 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-21 19:07:16,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-21 19:07:16,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-21 19:07:16,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-21 19:07:16,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-21 19:07:16,255 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-21 19:07:16,255 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-21 19:07:16,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-21 19:07:16,256 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-21 19:07:16,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-21 19:07:16,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-21 19:07:16,257 INFO L153 SettingsManager]: * Future-live optimization=false
[2024-09-21 19:07:16,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-21 19:07:16,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-21 19:07:16,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-21 19:07:16,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-21 19:07:16,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-21 19:07:16,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-21 19:07:16,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-21 19:07:16,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-21 19:07:16,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-21 19:07:16,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-09-21 19:07:16,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-09-21 19:07:16,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-09-21 19:07:16,261 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
[2024-09-21 19:07:16,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-21 19:07:16,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-21 19:07:16,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-21 19:07:16,558 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-21 19:07:16,559 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-21 19:07:16,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/count_by_1_variant.yml/output/witness-2.1.yml
[2024-09-21 19:07:16,637 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-21 19:07:16,641 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-21 19:07:16,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-new/count_by_1_variant.i
[2024-09-21 19:07:18,232 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-21 19:07:18,437 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-21 19:07:18,437 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/count_by_1_variant.i
[2024-09-21 19:07:18,445 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/af2f3e5ea/97ba3316f9204f0fbfbe8ac514dfcda3/FLAG2b5cde8b3
[2024-09-21 19:07:18,458 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/af2f3e5ea/97ba3316f9204f0fbfbe8ac514dfcda3
[2024-09-21 19:07:18,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-21 19:07:18,460 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements.
[2024-09-21 19:07:18,462 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-21 19:07:18,462 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-21 19:07:18,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-21 19:07:18,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:16" (1/2) ...
[2024-09-21 19:07:18,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3064a31a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:18, skipping insertion in model container
[2024-09-21 19:07:18,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:16" (1/2) ...
[2024-09-21 19:07:18,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@145bcf78 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:18, skipping insertion in model container
[2024-09-21 19:07:18,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:18" (2/2) ...
[2024-09-21 19:07:18,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3064a31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18, skipping insertion in model container
[2024-09-21 19:07:18,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:18" (2/2) ...
[2024-09-21 19:07:18,484 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-21 19:07:18,485 INFO L1541 ArrayList]: Loop invariant at [L26-L28] ( ( i == 0 ) && ( ! ( i == 1 ) ) ) || ( ( ! ( i == 0 ) ) && ( i == 1 ) ) || ( ( ! ( i == 1 ) ) && ( ! ( 1000000 < i ) ) ) || ( ( ( ! ( i == 0 ) ) || ( ( ! ( i == 1 ) ) && ( ! ( 1000000 < i ) ) ) ) && ( ( i == 0 ) || ( ! ( 1000000 < i ) ) ) ) || ( ( ! ( i == 0 ) ) && ( ( ! ( i == 1 ) ) && ( ! ( 1000000 < i ) ) ) )
[2024-09-21 19:07:18,485 INFO L1541 ArrayList]: Function contract at [L17]: requires 1, ensures (!(1) || (1))
[2024-09-21 19:07:18,485 INFO L1541 ArrayList]: Function contract at [L24]: requires 1, ensures (!(1) || (1))
[2024-09-21 19:07:18,503 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-21 19:07:18,654 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/count_by_1_variant.i[891,904]
[2024-09-21 19:07:18,665 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-21 19:07:18,675 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Global
Start Parsing Global
[2024-09-21 19:07:18,716 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/count_by_1_variant.i[891,904]
Start Parsing Global
Start Parsing Global
Start Parsing Local
[2024-09-21 19:07:18,728 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-21 19:07:18,746 INFO L204 MainTranslator]: Completed translation
[2024-09-21 19:07:18,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18 WrapperNode
[2024-09-21 19:07:18,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-21 19:07:18,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-21 19:07:18,748 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-21 19:07:18,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-21 19:07:18,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (1/1) ...
[2024-09-21 19:07:18,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (1/1) ...
[2024-09-21 19:07:18,784 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (1/1) ...
[2024-09-21 19:07:18,796 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification
[2024-09-21 19:07:18,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (1/1) ...
[2024-09-21 19:07:18,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (1/1) ...
[2024-09-21 19:07:18,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (1/1) ...
[2024-09-21 19:07:18,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (1/1) ...
[2024-09-21 19:07:18,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (1/1) ...
[2024-09-21 19:07:18,812 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (1/1) ...
[2024-09-21 19:07:18,814 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-21 19:07:18,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-21 19:07:18,820 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-21 19:07:18,820 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-21 19:07:18,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (1/1) ...
[2024-09-21 19:07:18,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-09-21 19:07:18,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3
[2024-09-21 19:07:18,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-09-21 19:07:18,870 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-09-21 19:07:18,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2024-09-21 19:07:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-21 19:07:18,916 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2024-09-21 19:07:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-09-21 19:07:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-09-21 19:07:18,917 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2024-09-21 19:07:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2024-09-21 19:07:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2024-09-21 19:07:18,918 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail
[2024-09-21 19:07:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure __assert
[2024-09-21 19:07:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2024-09-21 19:07:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-21 19:07:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-09-21 19:07:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-09-21 19:07:18,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2024-09-21 19:07:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2024-09-21 19:07:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2024-09-21 19:07:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-21 19:07:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-21 19:07:18,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-09-21 19:07:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-09-21 19:07:18,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-09-21 19:07:19,000 INFO L242 CfgBuilder]: Building ICFG
[2024-09-21 19:07:19,003 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-21 19:07:19,055 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-21 19:07:19,136 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock.
[2024-09-21 19:07:19,145 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-21 19:07:19,170 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-21 19:07:19,170 INFO L318 CfgBuilder]: Removed 2 assume(true) statements.
[2024-09-21 19:07:19,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:19 BoogieIcfgContainer
[2024-09-21 19:07:19,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-21 19:07:19,171 INFO L112 PluginConnector]: ------------------------Referee----------------------------
[2024-09-21 19:07:19,171 INFO L270 PluginConnector]: Initializing Referee...
[2024-09-21 19:07:19,172 INFO L274 PluginConnector]: Referee initialized
[2024-09-21 19:07:19,172 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:16" (1/4) ...
[2024-09-21 19:07:19,172 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@128ffdac and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:19, skipping insertion in model container
[2024-09-21 19:07:19,173 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:18" (2/4) ...
[2024-09-21 19:07:19,173 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@128ffdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:19, skipping insertion in model container
[2024-09-21 19:07:19,173 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:18" (3/4) ...
[2024-09-21 19:07:19,173 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@128ffdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:19, skipping insertion in model container
[2024-09-21 19:07:19,173 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:19" (4/4) ...
[2024-09-21 19:07:19,174 INFO L79 RefereeObserver]: Analyzing ICFG count_by_1_variant.i
[2024-09-21 19:07:19,180 INFO L113 InvariantChecker]: Found 1 loops.
[2024-09-21 19:07:19,181 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges.
[2024-09-21 19:07:19,181 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges.
[2024-09-21 19:07:19,182 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges.
[2024-09-21 19:07:19,182 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges.
[2024-09-21 19:07:19,182 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges.
[2024-09-21 19:07:19,182 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges.
[2024-09-21 19:07:19,182 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges.
[2024-09-21 19:07:19,183 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location
[2024-09-21 19:07:19,215 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-21 19:07:19,216 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-21 19:07:19,217 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-21 19:07:19,217 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-21 19:07:19,219 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-21 19:07:19,221 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,237 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-21 19:07:19,239 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-21 19:07:19,240 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-21 19:07:19,241 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-21 19:07:19,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-21 19:07:19,260 INFO L520 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-21 19:07:19,269 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges
[2024-09-21 19:07:19,269 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-21 19:07:19,269 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-21 19:07:19,269 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-21 19:07:19,270 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-21 19:07:19,270 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,272 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding
[2024-09-21 19:07:19,272 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,272 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-21 19:07:19,272 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-21 19:07:19,272 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-21 19:07:19,272 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-21 19:07:19,286 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-21 19:07:19,296 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges
[2024-09-21 19:07:19,296 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-21 19:07:19,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-21 19:07:19,296 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-21 19:07:19,297 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-21 19:07:19,297 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,306 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding
[2024-09-21 19:07:19,306 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-21 19:07:19,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-21 19:07:19,307 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-21 19:07:19,307 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-21 19:07:19,315 INFO L520 InvariantChecker]: The annotation(s) from loop head L26-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive.
[2024-09-21 19:07:19,322 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-21 19:07:19,323 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-21 19:07:19,323 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-21 19:07:19,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-21 19:07:19,323 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-21 19:07:19,323 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,331 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding
[2024-09-21 19:07:19,331 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,331 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-21 19:07:19,332 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-21 19:07:19,332 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-21 19:07:19,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-21 19:07:19,336 INFO L520 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-21 19:07:19,347 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges
[2024-09-21 19:07:19,351 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-21 19:07:19,351 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-21 19:07:19,351 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-21 19:07:19,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-21 19:07:19,352 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,352 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding
[2024-09-21 19:07:19,353 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-21 19:07:19,353 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-21 19:07:19,353 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-21 19:07:19,353 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-21 19:07:19,356 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive.
[2024-09-21 19:07:19,364 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges
[2024-09-21 19:07:19,365 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-21 19:07:19,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-21 19:07:19,365 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-21 19:07:19,365 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-21 19:07:19,365 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,368 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding
[2024-09-21 19:07:19,368 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,369 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-21 19:07:19,369 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-21 19:07:19,369 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-21 19:07:19,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-21 19:07:19,371 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive.
[2024-09-21 19:07:19,377 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges
[2024-09-21 19:07:19,378 INFO L264 BlockEncoder]: Using Maximize final states
[2024-09-21 19:07:19,378 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true
[2024-09-21 19:07:19,378 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI
[2024-09-21 19:07:19,378 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true
[2024-09-21 19:07:19,378 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,380 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding
[2024-09-21 19:07:19,380 INFO L71 MaximizeFinalStates]: 0 new accepting states
[2024-09-21 19:07:19,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding
[2024-09-21 19:07:19,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible
[2024-09-21 19:07:19,381 INFO L68 ParallelComposer]: Creating parallel compositions
[2024-09-21 19:07:19,381 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges
[2024-09-21 19:07:19,395 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness.
[2024-09-21 19:07:19,395 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@128ffdac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:19, skipping insertion in model container
[2024-09-21 19:07:19,395 INFO L131 PluginConnector]: ------------------------ END Referee----------------------------
[2024-09-21 19:07:19,397 INFO L158 Benchmark]: Toolchain (without parser) took 935.92ms. Allocated memory is still 174.1MB. Free memory was 106.1MB in the beginning and 120.7MB in the end (delta: -14.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-21 19:07:19,397 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 174.1MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-21 19:07:19,397 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-21 19:07:19,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.53ms. Allocated memory is still 174.1MB. Free memory was 105.9MB in the beginning and 92.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-21 19:07:19,398 INFO L158 Benchmark]: Boogie Preprocessor took 65.68ms. Allocated memory is still 174.1MB. Free memory was 92.6MB in the beginning and 147.1MB in the end (delta: -54.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB.
[2024-09-21 19:07:19,399 INFO L158 Benchmark]: RCFGBuilder took 350.70ms. Allocated memory is still 174.1MB. Free memory was 147.1MB in the beginning and 135.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-09-21 19:07:19,400 INFO L158 Benchmark]: Referee took 224.03ms. Allocated memory is still 174.1MB. Free memory was 135.4MB in the beginning and 120.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-09-21 19:07:19,404 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 19. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0.
Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert.
Annotation is valid for all loop-free paths from loop head at line 26 to exit of procedure main.
Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 26.
Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 27.
Annotation is valid for all loop-free paths from loop head at line 26 to loop head at line 26.
Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1.
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* Witness Parser took 0.20ms. Allocated memory is still 174.1MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 285.53ms. Allocated memory is still 174.1MB. Free memory was 105.9MB in the beginning and 92.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 65.68ms. Allocated memory is still 174.1MB. Free memory was 92.6MB in the beginning and 147.1MB in the end (delta: -54.5MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 350.70ms. Allocated memory is still 174.1MB. Free memory was 147.1MB in the beginning and 135.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Referee took 224.03ms. Allocated memory is still 174.1MB. Free memory was 135.4MB in the beginning and 120.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
RESULT: Ultimate proved your program to be incorrect!
[2024-09-21 19:07:19,433 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...