./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound100.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/nla-digbench-scaling/cohendiv-ll_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:33,256 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:33,323 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:33,326 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:33,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:33,341 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:33,341 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:33,341 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:33,342 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:33,342 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:33,343 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:33,343 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:33,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:33,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:33,344 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:33,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:33,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:33,345 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:33,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:33,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:33,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:33,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:33,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:33,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:33,347 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:33,347 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:33,347 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:33,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:33,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:33,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:33,348 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:33,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:33,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:33,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:33,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:33,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:33,350 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:33,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:33,350 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:33,351 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:33,351 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:33,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:33,352 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:33,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:33,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:33,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:33,599 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:33,600 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:33,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound100.yml/witness-2.1.yml [2024-09-11 20:48:33,695 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:33,695 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:33,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2024-09-11 20:48:35,209 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:35,381 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:35,381 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound100.c [2024-09-11 20:48:35,388 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9498d5946/4b7ad6ec17b649a3b2557a7c24c090fd/FLAG7c24d49c1 [2024-09-11 20:48:35,404 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9498d5946/4b7ad6ec17b649a3b2557a7c24c090fd [2024-09-11 20:48:35,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:35,406 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:35,407 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:35,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:35,411 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:35,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:33" (1/2) ... [2024-09-11 20:48:35,414 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c4e4b3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:35, skipping insertion in model container [2024-09-11 20:48:35,414 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:33" (1/2) ... [2024-09-11 20:48:35,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6e170d1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:35, skipping insertion in model container [2024-09-11 20:48:35,416 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:35" (2/2) ... [2024-09-11 20:48:35,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c4e4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35, skipping insertion in model container [2024-09-11 20:48:35,416 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:35" (2/2) ... [2024-09-11 20:48:35,423 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:35,423 INFO L1541 ArrayList]: Loop invariant at [L46-L58] ((((x == (r + ((__int128) q * y))) && (1 <= y)) && (1 <= r)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) [2024-09-11 20:48:35,424 INFO L1541 ArrayList]: Loop invariant at [L37-L61] (((x == (r + ((__int128) q * y))) && (1 <= y)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) [2024-09-11 20:48:35,424 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:35,447 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:35,577 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/nla-digbench-scaling/cohendiv-ll_unwindbound100.c[576,589] [2024-09-11 20:48:35,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:35,611 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:35,645 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/nla-digbench-scaling/cohendiv-ll_unwindbound100.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:35,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:35,675 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:35,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35 WrapperNode [2024-09-11 20:48:35,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:35,677 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:35,677 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:35,677 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:35,689 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (1/1) ... [2024-09-11 20:48:35,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (1/1) ... [2024-09-11 20:48:35,699 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (1/1) ... [2024-09-11 20:48:35,712 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 [2024-09-11 20:48:35,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (1/1) ... [2024-09-11 20:48:35,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (1/1) ... [2024-09-11 20:48:35,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (1/1) ... [2024-09-11 20:48:35,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (1/1) ... [2024-09-11 20:48:35,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (1/1) ... [2024-09-11 20:48:35,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (1/1) ... [2024-09-11 20:48:35,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:35,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:35,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:35,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:35,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (1/1) ... [2024-09-11 20:48:35,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:35,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:35,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:48:35,759 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:48:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:35,790 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:35,791 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:35,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:35,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:35,843 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:35,845 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:35,968 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:36,004 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:36,005 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:36,023 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:36,023 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:36,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:36 BoogieIcfgContainer [2024-09-11 20:48:36,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:36,024 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:36,024 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:36,025 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:36,025 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:33" (1/4) ... [2024-09-11 20:48:36,025 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74f3ccfb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:36, skipping insertion in model container [2024-09-11 20:48:36,025 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:35" (2/4) ... [2024-09-11 20:48:36,026 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74f3ccfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:36, skipping insertion in model container [2024-09-11 20:48:36,026 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:35" (3/4) ... [2024-09-11 20:48:36,027 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74f3ccfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:36, skipping insertion in model container [2024-09-11 20:48:36,027 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:36" (4/4) ... [2024-09-11 20:48:36,028 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_unwindbound100.c [2024-09-11 20:48:36,031 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:36,031 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:48:36,031 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:36,031 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:48:36,032 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:48:36,032 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:48:36,032 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:36,032 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:36,032 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:36,032 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:48:36,032 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:36,032 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:48:36,033 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:36,033 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:36,033 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:48:36,072 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:48:36,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,073 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,108 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:48:36,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,109 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,110 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,110 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,115 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,126 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:36,141 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:36,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,141 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,148 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:36,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,151 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:36,162 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:48:36,163 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,163 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,163 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,163 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,199 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:48:36,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,200 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,200 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,209 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:36,217 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:36,218 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,218 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,218 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,218 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,223 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:36,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,223 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,223 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,223 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,248 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:48:36,248 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,249 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,249 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,249 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,270 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:48:36,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,271 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,272 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,272 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,275 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,278 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:36,288 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:36,288 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,289 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,289 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,294 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:36,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,295 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,298 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:36,309 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:36,310 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,311 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,311 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,311 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,315 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:36,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,316 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,316 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,316 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,317 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,319 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:36,330 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:36,331 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,331 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,331 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,331 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,336 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:36,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,338 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,338 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,338 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,341 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:36,349 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:36,349 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,349 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,350 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,350 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,357 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:36,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,357 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,357 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,357 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,358 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,360 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:36,369 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:36,369 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,369 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,370 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,370 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,383 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:36,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,384 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,384 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,384 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,384 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,386 INFO L514 InvariantChecker]: The annotation(s) from loop head L37-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:36,395 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-11 20:48:36,395 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,396 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,396 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,396 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,407 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-11 20:48:36,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,408 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,410 INFO L514 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:36,415 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:36,415 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,415 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,415 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,415 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,417 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:36,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,419 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,419 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,421 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:36,427 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:36,428 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:36,428 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:36,428 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:36,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:36,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,429 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:36,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:36,429 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:36,429 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:36,430 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:36,430 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:36,432 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:36,440 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:48:36,440 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@74f3ccfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:36, skipping insertion in model container [2024-09-11 20:48:36,440 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:36,446 INFO L158 Benchmark]: Toolchain (without parser) took 1035.57ms. Allocated memory is still 201.3MB. Free memory was 127.1MB in the beginning and 118.7MB in the end (delta: 8.4MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:36,446 INFO L158 Benchmark]: Witness Parser took 0.08ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 88.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:36,446 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 201.3MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:36,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.45ms. Allocated memory is still 201.3MB. Free memory was 126.7MB in the beginning and 113.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:36,447 INFO L158 Benchmark]: Boogie Preprocessor took 50.20ms. Allocated memory is still 201.3MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:36,447 INFO L158 Benchmark]: RCFGBuilder took 296.04ms. Allocated memory is still 201.3MB. Free memory was 111.0MB in the beginning and 94.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:36,447 INFO L158 Benchmark]: Referee took 416.23ms. Allocated memory is still 201.3MB. Free memory was 94.2MB in the beginning and 118.7MB in the end (delta: -24.5MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:36,452 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 main to loop head at line 37. One counterexample starts in and ends in a=0, b=0, q=0, r=0, x=0, y=0. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 37. 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 16. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 37 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 exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.08ms. Allocated memory is still 125.8MB. Free memory was 88.4MB in the beginning and 88.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.08ms. Allocated memory is still 201.3MB. Free memory is still 174.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.45ms. Allocated memory is still 201.3MB. Free memory was 126.7MB in the beginning and 113.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.20ms. Allocated memory is still 201.3MB. Free memory was 113.1MB in the beginning and 111.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 296.04ms. Allocated memory is still 201.3MB. Free memory was 111.0MB in the beginning and 94.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 416.23ms. Allocated memory is still 201.3MB. Free memory was 94.2MB in the beginning and 118.7MB in the end (delta: -24.5MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:36,480 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE