./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-lit/bh2017-ex-add.i --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex-add.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-lit/bh2017-ex-add.i ../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex-add.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:10:54,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:10:54,505 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:10:54,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:10:54,511 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:10:54,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:10:54,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:10:54,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:10:54,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:10:54,553 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:10:54,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:10:54,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:10:54,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:10:54,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:10:54,555 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:10:54,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:10:54,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:10:54,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:10:54,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:10:54,556 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:10:54,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:10:54,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:10:54,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:10:54,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:10:54,560 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:10:54,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:10:54,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:10:54,561 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:10:54,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:10:54,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:10:54,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:10:54,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:10:54,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:10:54,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:10:54,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:10:54,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:10:54,564 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:10:54,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:10:54,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:10:54,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:10:54,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:10:54,566 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:10:54,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:10:54,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:10:54,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:10:54,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:10:54,841 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:10:54,842 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:10:54,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex-add.yml/witness-2.1.yml [2024-09-12 20:10:54,912 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:10:54,913 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:10:54,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/bh2017-ex-add.i [2024-09-12 20:10:56,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:10:56,536 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:10:56,537 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex-add.i [2024-09-12 20:10:56,545 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f3b493abf/619e5008483b48d490c0a28e80bb1a94/FLAG810150837 [2024-09-12 20:10:56,564 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f3b493abf/619e5008483b48d490c0a28e80bb1a94 [2024-09-12 20:10:56,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:10:56,566 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:10:56,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:10:56,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:10:56,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:10:56,573 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:10:54" (1/2) ... [2024-09-12 20:10:56,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdd914e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:10:56, skipping insertion in model container [2024-09-12 20:10:56,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:10:54" (1/2) ... [2024-09-12 20:10:56,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c875b40 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:10:56, skipping insertion in model container [2024-09-12 20:10:56,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:10:56" (2/2) ... [2024-09-12 20:10:56,577 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdd914e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56, skipping insertion in model container [2024-09-12 20:10:56,578 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:10:56" (2/2) ... [2024-09-12 20:10:56,586 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:10:56,587 INFO L1541 ArrayList]: Loop invariant at [L18-L43] ((((0 <= (m + 2147483648)) && (m <= 60)) && (n <= 60)) && (0 <= (n + 2147483648))) [2024-09-12 20:10:56,587 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures 0 [2024-09-12 20:10:56,587 INFO L1541 ArrayList]: Function contract at [L13]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:10:56,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:10:56,760 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-lit/bh2017-ex-add.i[802,815] [2024-09-12 20:10:56,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:10:56,793 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-12 20:10:56,831 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-lit/bh2017-ex-add.i[802,815] Start Parsing Global Start Parsing Local [2024-09-12 20:10:56,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:10:56,858 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:10:56,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56 WrapperNode [2024-09-12 20:10:56,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:10:56,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:10:56,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:10:56,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:10:56,872 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (1/1) ... [2024-09-12 20:10:56,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (1/1) ... [2024-09-12 20:10:56,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (1/1) ... [2024-09-12 20:10:56,890 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 [2024-09-12 20:10:56,892 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (1/1) ... [2024-09-12 20:10:56,892 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (1/1) ... [2024-09-12 20:10:56,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (1/1) ... [2024-09-12 20:10:56,899 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (1/1) ... [2024-09-12 20:10:56,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (1/1) ... [2024-09-12 20:10:56,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (1/1) ... [2024-09-12 20:10:56,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:10:56,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:10:56,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:10:56,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:10:56,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (1/1) ... [2024-09-12 20:10:56,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:10:56,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:10:56,943 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) [2024-09-12 20:10:56,946 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 [2024-09-12 20:10:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:10:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:10:56,992 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:10:56,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:10:56,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:10:56,994 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:10:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-12 20:10:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-12 20:10:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:10:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:10:56,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:10:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:10:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-12 20:10:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:10:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:10:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:10:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:10:56,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:10:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:10:56,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:10:57,070 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:10:57,072 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:10:57,229 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:10:57,269 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-09-12 20:10:57,269 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:10:57,288 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:10:57,289 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:10:57,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:10:57 BoogieIcfgContainer [2024-09-12 20:10:57,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:10:57,290 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:10:57,290 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:10:57,291 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:10:57,291 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:10:54" (1/4) ... [2024-09-12 20:10:57,291 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62331bf3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:10:57, skipping insertion in model container [2024-09-12 20:10:57,291 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:10:56" (2/4) ... [2024-09-12 20:10:57,292 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62331bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:10:57, skipping insertion in model container [2024-09-12 20:10:57,292 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:10:56" (3/4) ... [2024-09-12 20:10:57,292 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62331bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:10:57, skipping insertion in model container [2024-09-12 20:10:57,292 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:10:57" (4/4) ... [2024-09-12 20:10:57,293 INFO L79 RefereeObserver]: Analyzing ICFG bh2017-ex-add.i [2024-09-12 20:10:57,297 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:10:57,298 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-12 20:10:57,298 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 20:10:57,298 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 20:10:57,298 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:10:57,299 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 26 edges. [2024-09-12 20:10:57,299 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 2 edges. [2024-09-12 20:10:57,299 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 29 edges. [2024-09-12 20:10:57,299 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr17ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 30 edges. [2024-09-12 20:10:57,300 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 28 edges. [2024-09-12 20:10:57,300 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:10:57,300 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 4 edges. [2024-09-12 20:10:57,300 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 8 edges. [2024-09-12 20:10:57,300 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr18ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:10:57,300 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 19 edges. [2024-09-12 20:10:57,300 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:10:57,301 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr12REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 19 edges. [2024-09-12 20:10:57,301 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:10:57,301 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 5 edges. [2024-09-12 20:10:57,301 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 20 edges. [2024-09-12 20:10:57,301 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-11 to ERROR_LOC mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 27 edges. [2024-09-12 20:10:57,301 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:10:57,302 INFO L130 InvariantChecker]: Will check 14 loop-free subgraphs from loop head to error location, 7 loop-free subgraphs from procedure entry to error location [2024-09-12 20:10:57,346 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-12 20:10:57,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:57,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:57,350 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:57,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:57,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,376 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-12 20:10:57,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:57,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:57,382 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:57,382 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:57,406 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:10:57,422 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:10:57,422 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:57,423 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:57,423 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:57,423 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:57,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,424 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:10:57,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,424 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:57,424 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:57,424 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:57,424 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:57,452 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:10:57,453 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:57,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:57,453 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:57,453 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:57,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,478 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:10:57,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,479 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:57,479 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:57,479 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:57,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:57,488 INFO L514 InvariantChecker]: The annotation(s) from loop head L18-11 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:10:57,510 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 20:10:57,511 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:57,511 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:57,511 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:57,511 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:57,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,531 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 20:10:57,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,532 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:57,532 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:57,532 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:57,534 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:57,537 INFO L514 InvariantChecker]: The annotation(s) from loop head L18-11 to error location mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:57,555 INFO L314 BlockEncoder]: Initial Icfg 21 locations, 26 edges [2024-09-12 20:10:57,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:57,555 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:57,556 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:57,556 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:57,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,677 INFO L101 BaseMinimizeStates]: Removed 67 edges and 19 locations by large block encoding [2024-09-12 20:10:57,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,678 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:57,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:57,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:57,730 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:57,767 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:10:57,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:57,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:57,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:57,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:57,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,769 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:10:57,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,769 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:57,769 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:57,769 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:57,769 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:57,771 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:57,780 INFO L314 BlockEncoder]: Initial Icfg 24 locations, 29 edges [2024-09-12 20:10:57,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:57,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:57,780 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:57,780 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:57,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,956 INFO L101 BaseMinimizeStates]: Removed 118 edges and 22 locations by large block encoding [2024-09-12 20:10:57,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:57,957 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:57,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:57,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:57,984 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:57,993 INFO L514 InvariantChecker]: The annotation(s) from loop head L18-11 to error location mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:58,005 INFO L314 BlockEncoder]: Initial Icfg 25 locations, 30 edges [2024-09-12 20:10:58,008 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,009 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,255 INFO L101 BaseMinimizeStates]: Removed 135 edges and 23 locations by large block encoding [2024-09-12 20:10:58,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,256 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,256 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,256 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,302 INFO L314 BlockEncoder]: Initial Icfg 23 locations, 28 edges [2024-09-12 20:10:58,303 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,303 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,304 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,448 INFO L101 BaseMinimizeStates]: Removed 101 edges and 21 locations by large block encoding [2024-09-12 20:10:58,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,449 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,449 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,449 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,467 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,483 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:10:58,483 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,484 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,484 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,484 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,484 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,485 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:10:58,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,487 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:58,494 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:10:58,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,494 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,494 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,495 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:10:58,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,496 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,496 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,496 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,496 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,497 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:58,503 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:10:58,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,509 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:10:58,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,511 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,520 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:10:58,520 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,520 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,520 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,520 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,521 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:10:58,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,521 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,521 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,522 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,525 INFO L514 InvariantChecker]: The annotation(s) from loop head L18-11 to error location mainErr18ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:10:58,530 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 19 edges [2024-09-12 20:10:58,531 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,531 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,531 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,531 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,566 INFO L101 BaseMinimizeStates]: Removed 48 edges and 15 locations by large block encoding [2024-09-12 20:10:58,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,567 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,567 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,573 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,583 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:10:58,583 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,584 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,584 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,584 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,585 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:10:58,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,595 INFO L314 BlockEncoder]: Initial Icfg 17 locations, 19 edges [2024-09-12 20:10:58,595 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,595 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,595 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,596 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,631 INFO L101 BaseMinimizeStates]: Removed 48 edges and 15 locations by large block encoding [2024-09-12 20:10:58,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,632 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,632 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,632 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,639 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,644 INFO L514 InvariantChecker]: The annotation(s) from loop head L18-11 to error location mainErr12REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:10:58,648 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:10:58,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,650 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,651 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:10:58,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,652 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,652 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,652 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,652 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,654 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:10:58,660 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:10:58,661 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,661 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,661 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,662 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:10:58,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,666 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,666 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,668 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:58,673 INFO L314 BlockEncoder]: Initial Icfg 18 locations, 20 edges [2024-09-12 20:10:58,673 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,673 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,673 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,673 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,712 INFO L101 BaseMinimizeStates]: Removed 53 edges and 16 locations by large block encoding [2024-09-12 20:10:58,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,720 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,723 INFO L514 InvariantChecker]: The annotation(s) from loop head L18-11 to error location mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:58,729 INFO L314 BlockEncoder]: Initial Icfg 22 locations, 27 edges [2024-09-12 20:10:58,729 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,729 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,729 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,831 INFO L101 BaseMinimizeStates]: Removed 84 edges and 20 locations by large block encoding [2024-09-12 20:10:58,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,832 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,832 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,832 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,853 INFO L514 InvariantChecker]: The annotation(s) from loop head L18-11 to error location mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:10:58,858 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:10:58,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:10:58,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:10:58,858 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:10:58,859 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:10:58,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,859 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:10:58,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:10:58,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:10:58,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:10:58,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:10:58,860 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:10:58,861 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:10:58,871 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 20:10:58,872 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62331bf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:10:58, skipping insertion in model container [2024-09-12 20:10:58,872 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:10:58,874 INFO L158 Benchmark]: Toolchain (without parser) took 2307.15ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 119.3MB in the beginning and 121.9MB in the end (delta: -2.5MB). Peak memory consumption was 101.8MB. Max. memory is 16.1GB. [2024-09-12 20:10:58,874 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:10:58,874 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory was 123.5MB in the beginning and 123.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:10:58,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.02ms. Allocated memory is still 146.8MB. Free memory was 119.3MB in the beginning and 106.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:10:58,875 INFO L158 Benchmark]: Boogie Preprocessor took 45.68ms. Allocated memory is still 146.8MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:10:58,876 INFO L158 Benchmark]: RCFGBuilder took 382.48ms. Allocated memory is still 146.8MB. Free memory was 104.1MB in the beginning and 88.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-12 20:10:58,876 INFO L158 Benchmark]: Referee took 1582.25ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 88.1MB in the beginning and 121.9MB in the end (delta: -33.8MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2024-09-12 20:10:58,879 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 loop head at line 18 to check that invariant of correctness witness holds at line 18. One counterexample starts in m=-2147483649, n=0 and ends in . Annotation is not valid for all loop-free paths from loop head at line 18 to check that integer overflow can never occur at line 18. One counterexample starts in m=-1, n=-(((__int128) 0 << 64) | 9223372039002259457U) and ends in m=-1. Annotation is not valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 19. One counterexample starts in m=61 and ends in . Annotation is not valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 19. One counterexample starts in m=0, n=61 and ends in m=0. Annotation is not valid for all loop-free paths from loop head at line 18 to check that integer overflow can never occur at line 24. One counterexample starts in m=-2147483650, n=60 and ends in n=60. Annotation is not valid for all loop-free paths from loop head at line 18 to check that integer overflow can never occur at line 35. One counterexample starts in m=0, n=-2147483650 and ends in m=0. Annotation is not valid for all loop-free paths from loop head at line 18 to check that integer overflow can never occur at line 32. One counterexample starts in m=-(((__int128) 0 << 64) | 9223372039002259457U), n=60 and ends in n=0. Annotation is valid for all loop-free paths from loop head at line 18 to check that integer overflow can never occur at line 35. Annotation is valid for all loop-free paths from loop head at line 18 to check that integer overflow can never occur at line 24. Annotation is valid for all loop-free paths from loop head at line 18 to check that integer overflow can never occur at line 18. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 18. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 18. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that integer overflow can never occur at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 27. 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 entry of procedure main to check that invariant of correctness witness holds at line 18. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.22ms. Allocated memory is still 146.8MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory was 123.5MB in the beginning and 123.3MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.02ms. Allocated memory is still 146.8MB. Free memory was 119.3MB in the beginning and 106.2MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.68ms. Allocated memory is still 146.8MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 382.48ms. Allocated memory is still 146.8MB. Free memory was 104.1MB in the beginning and 88.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 1582.25ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 88.1MB in the beginning and 121.9MB in the end (delta: -33.8MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:10:58,911 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... --- 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