This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:05:04,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:05:04,948 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:05:04,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:05:04,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:05:04,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:05:04,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:05:04,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:05:04,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:05:04,980 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:05:04,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:05:04,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:05:04,981 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:05:04,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:05:04,984 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:05:04,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:05:04,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:05:04,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:05:04,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:05:04,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:05:04,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:05:04,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:05:04,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:05:04,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:05:04,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:05:04,989 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:05:04,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:05:04,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:05:04,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:05:04,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:05:04,990 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:05:04,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:05:04,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:05:04,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:04,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:05:04,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:05:04,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:05:04,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:05:04,992 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:05:04,992 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:05:04,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:05:04,993 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:05:04,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:05:04,994 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:05:05,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:05:05,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:05:05,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:05:05,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:05:05,246 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:05:05,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-09-13 05:05:06,640 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:05:06,808 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:05:06,809 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/cohendiv-ll.c [2024-09-13 05:05:06,820 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4aaf26bb2/2c012556a73542bd9568181112cd9e8d/FLAG33c679ce4 [2024-09-13 05:05:06,835 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4aaf26bb2/2c012556a73542bd9568181112cd9e8d [2024-09-13 05:05:06,838 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:05:06,838 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:05:06,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll.yml/witness-2.1.yml [2024-09-13 05:05:06,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:05:06,894 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:05:06,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:06,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:05:06,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:05:06,902 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:06" (1/2) ... [2024-09-13 05:05:06,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45791706 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:06, skipping insertion in model container [2024-09-13 05:05:06,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:06" (1/2) ... [2024-09-13 05:05:06,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60a04585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:06, skipping insertion in model container [2024-09-13 05:05:06,906 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:06" (2/2) ... [2024-09-13 05:05:06,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45791706 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:06, skipping insertion in model container [2024-09-13 05:05:06,907 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:06" (2/2) ... [2024-09-13 05:05:06,916 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:05:06,917 INFO L1541 ArrayList]: Loop invariant at [L36-L60] (((((((__int128) q * y) + r) + ((__int128) a * y)) == (b + x)) && (1 <= y)) && (b == ((__int128) a * y))) [2024-09-13 05:05:06,917 INFO L1541 ArrayList]: Loop invariant at [L45-L57] ((((1 <= r) && (((((__int128) q * y) + r) + ((__int128) a * y)) == (b + x))) && (1 <= y)) && (b == ((__int128) a * y))) [2024-09-13 05:05:06,917 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:05:06,918 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:05:06,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:05:07,089 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/cohendiv-ll.c[576,589] [2024-09-13 05:05:07,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:07,109 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:05:07,140 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/cohendiv-ll.c[576,589] Start Parsing Local Start Parsing Local [2024-09-13 05:05:07,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:07,170 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:05:07,171 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07 WrapperNode [2024-09-13 05:05:07,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:07,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:05:07,172 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:05:07,172 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:05:07,184 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (1/1) ... [2024-09-13 05:05:07,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (1/1) ... [2024-09-13 05:05:07,190 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (1/1) ... [2024-09-13 05:05:07,197 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:05:07,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (1/1) ... [2024-09-13 05:05:07,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (1/1) ... [2024-09-13 05:05:07,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (1/1) ... [2024-09-13 05:05:07,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (1/1) ... [2024-09-13 05:05:07,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (1/1) ... [2024-09-13 05:05:07,218 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (1/1) ... [2024-09-13 05:05:07,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:05:07,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:05:07,221 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:05:07,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:05:07,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (1/1) ... [2024-09-13 05:05:07,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:07,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:05:07,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:05:07,270 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:05:07,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:05:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:05:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:05:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:05:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:05:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:05:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:05:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:05:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:05:07,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:05:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:05:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:05:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:05:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:05:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:05:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:05:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:05:07,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:05:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:05:07,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:05:07,362 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:05:07,364 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:05:07,521 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:05:07,545 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:05:07,573 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:05:07,573 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:05:07,573 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:07 BoogieIcfgContainer [2024-09-13 05:05:07,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:05:07,574 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:05:07,574 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:05:07,575 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:05:07,575 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:05:06" (1/4) ... [2024-09-13 05:05:07,575 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@163e7eb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:07, skipping insertion in model container [2024-09-13 05:05:07,575 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:05:06" (2/4) ... [2024-09-13 05:05:07,575 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@163e7eb1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:05:07, skipping insertion in model container [2024-09-13 05:05:07,576 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:07" (3/4) ... [2024-09-13 05:05:07,576 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@163e7eb1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:05:07, skipping insertion in model container [2024-09-13 05:05:07,576 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:07" (4/4) ... [2024-09-13 05:05:07,577 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll.c [2024-09-13 05:05:07,581 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:05:07,581 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:05:07,581 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:05:07,582 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:05:07,582 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:05:07,582 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:05:07,582 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:05:07,582 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:05:07,582 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:07,583 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:07,583 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:05:07,583 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 05:05:07,583 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-13 05:05:07,583 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:05:07,583 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:07,584 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location [2024-09-13 05:05:07,650 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:05:07,651 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,652 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,652 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,653 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,667 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:05:07,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,668 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,672 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,696 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:07,714 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:05:07,715 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,715 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,715 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,718 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,730 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:05:07,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,735 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,737 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:07,753 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:05:07,753 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,754 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,759 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:05:07,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,759 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,759 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,760 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,760 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,767 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:07,788 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:05:07,788 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,788 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,788 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,788 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,789 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,806 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:05:07,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,806 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,806 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,806 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,807 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,814 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:07,833 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:05:07,833 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,833 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,834 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,834 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,840 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:05:07,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,840 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,840 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,840 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,840 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,842 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:07,852 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:05:07,852 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,852 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,853 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,853 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,867 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-13 05:05:07,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,868 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,871 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,874 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:07,886 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:05:07,886 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,886 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,887 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,887 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,890 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:05:07,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,891 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,891 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,891 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,891 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,893 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:07,906 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:07,907 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,908 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,909 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,909 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,911 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:07,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,913 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,915 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:07,925 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:07,926 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,926 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,926 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,926 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,929 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:07,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,929 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,929 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,930 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,930 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,932 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:07,942 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:05:07,942 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,943 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,943 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,943 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,949 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:05:07,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,950 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,950 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,950 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,952 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:07,961 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 05:05:07,961 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,961 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,961 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,962 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,969 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 05:05:07,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:07,970 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:07,970 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:07,970 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:07,970 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:07,972 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:07,983 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-13 05:05:07,983 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:07,984 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:07,984 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:07,984 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:07,984 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:08,007 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-13 05:05:08,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:08,008 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:08,008 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:08,008 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:08,008 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:08,012 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:08,022 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:05:08,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:08,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:08,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:08,023 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:08,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:08,026 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:05:08,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:08,027 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:08,027 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:08,027 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:08,027 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:08,029 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:08,048 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:08,049 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:08,049 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:08,049 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:08,049 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:08,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:08,050 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:08,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:08,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:08,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:08,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:08,051 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:08,053 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:05:08,058 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:05:08,058 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@163e7eb1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:05:08, skipping insertion in model container [2024-09-13 05:05:08,058 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:05:08,060 INFO L158 Benchmark]: Toolchain (without parser) took 1165.31ms. Allocated memory is still 178.3MB. Free memory was 107.2MB in the beginning and 147.0MB in the end (delta: -39.8MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2024-09-13 05:05:08,061 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:08,062 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 178.3MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:08,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.15ms. Allocated memory is still 178.3MB. Free memory was 106.9MB in the beginning and 93.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:08,063 INFO L158 Benchmark]: Boogie Preprocessor took 47.72ms. Allocated memory is still 178.3MB. Free memory was 93.1MB in the beginning and 149.9MB in the end (delta: -56.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2024-09-13 05:05:08,064 INFO L158 Benchmark]: RCFGBuilder took 353.12ms. Allocated memory is still 178.3MB. Free memory was 149.9MB in the beginning and 135.4MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:08,064 INFO L158 Benchmark]: Referee took 484.44ms. Allocated memory is still 178.3MB. Free memory was 135.4MB in the beginning and 147.0MB in the end (delta: -11.6MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2024-09-13 05:05:08,067 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 45 to check that procedure precondition always holds at line 53. Annotation is valid for all loop-free paths from loop head at line 45 to loop head at line 45. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 45. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 45 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 45 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 45 to check that procedure precondition always holds at line 46. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 45 to check that procedure precondition always holds at line 46. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 81.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 178.3MB. Free memory is still 109.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.15ms. Allocated memory is still 178.3MB. Free memory was 106.9MB in the beginning and 93.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.72ms. Allocated memory is still 178.3MB. Free memory was 93.1MB in the beginning and 149.9MB in the end (delta: -56.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * RCFGBuilder took 353.12ms. Allocated memory is still 178.3MB. Free memory was 149.9MB in the beginning and 135.4MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 484.44ms. Allocated memory is still 178.3MB. Free memory was 135.4MB in the beginning and 147.0MB in the end (delta: -11.6MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:05:08,093 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...