This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:36,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:36,130 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:36,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:36,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:36,169 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:36,170 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:36,170 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:36,171 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:36,172 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:36,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:36,173 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:36,173 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:36,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:36,175 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:36,176 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:36,176 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:36,176 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:36,176 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:36,177 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:36,177 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:36,178 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:36,178 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:36,178 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:36,179 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:36,179 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:36,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:36,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:36,180 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:36,180 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:36,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:36,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:36,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:36,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:36,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:36,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:36,529 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:36,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c [2024-10-15 15:32:38,165 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:38,346 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:38,347 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c [2024-10-15 15:32:38,356 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/934af9e3e/f8af808377fe46bd930ff78d5caeff38/FLAG032dfcfb4 [2024-10-15 15:32:38,374 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/934af9e3e/f8af808377fe46bd930ff78d5caeff38 [2024-10-15 15:32:38,378 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:38,379 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:38,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound10.yml/witness-2.1.yml [2024-10-15 15:32:38,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:38,436 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:38,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:38,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:38,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:38,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:38" (1/2) ... [2024-10-15 15:32:38,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7872ff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:38, skipping insertion in model container [2024-10-15 15:32:38,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:38" (1/2) ... [2024-10-15 15:32:38,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e01d99f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:38, skipping insertion in model container [2024-10-15 15:32:38,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:38" (2/2) ... [2024-10-15 15:32:38,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7872ff1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:38, skipping insertion in model container [2024-10-15 15:32:38,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:38" (2/2) ... [2024-10-15 15:32:38,456 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:38,458 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((__int128) v * 2) + ((__int128) u * u)) == (((((__int128) v * v) + ((__int128) u * 2)) + ((long long) A * 4)) + ((__int128) r * 4))) [2024-10-15 15:32:38,460 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:32:38,479 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:38,661 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c[524,537] [2024-10-15 15:32:38,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:38,692 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:32:38,738 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c[524,537] Start Parsing Local [2024-10-15 15:32:38,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:38,771 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:38,773 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:38 WrapperNode [2024-10-15 15:32:38,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:38,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:38,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:38,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:38,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,794 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:38,795 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:38,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:38,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:38,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:38,806 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 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,807 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 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,808 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 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,830 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 [2024-10-15 15:32:38,830 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 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,830 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 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,833 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 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,836 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 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,837 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 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,839 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 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:38,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:38,847 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:38,847 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:38,848 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 15.10 03:32:38" (1/1) ... [2024-10-15 15:32:38,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:38,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:38,878 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) [2024-10-15 15:32:38,885 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 [2024-10-15 15:32:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:38,937 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:39,008 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:39,011 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:39,201 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:39,229 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:39,260 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:39,261 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:32:39,261 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:39 BoogieIcfgContainer [2024-10-15 15:32:39,261 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:39,262 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:39,262 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:39,263 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:39,263 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:38" (1/4) ... [2024-10-15 15:32:39,265 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b916463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:39, skipping insertion in model container [2024-10-15 15:32:39,265 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:38" (2/4) ... [2024-10-15 15:32:39,265 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b916463 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:39, skipping insertion in model container [2024-10-15 15:32:39,266 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 15.10 03:32:38" (3/4) ... [2024-10-15 15:32:39,267 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b916463 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:39, skipping insertion in model container [2024-10-15 15:32:39,267 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:39" (4/4) ... [2024-10-15 15:32:39,268 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound10.c [2024-10-15 15:32:39,272 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:32:39,273 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:32:39,273 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:39,274 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:39,274 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:39,274 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:32:39,274 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:39,274 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:32:39,330 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:39,332 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,333 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,333 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,334 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,372 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:39,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,373 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,374 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,384 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,402 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:39,426 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:39,426 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,426 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,426 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,426 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,444 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:39,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,446 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,446 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,446 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,446 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,449 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:39,468 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-10-15 15:32:39,468 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,468 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,469 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,469 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,482 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-10-15 15:32:39,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,483 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,483 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,494 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:39,507 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:32:39,508 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,508 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,509 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,509 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,527 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:32:39,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,528 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,528 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,533 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,544 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:39,558 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:39,558 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,558 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,559 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,559 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,562 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:39,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,564 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,564 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,565 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,567 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:39,574 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:39,574 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,574 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,575 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,575 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,576 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:39,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,576 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,576 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,576 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,577 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,578 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:39,582 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:32:39,583 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1b916463 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:39, skipping insertion in model container [2024-10-15 15:32:39,584 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:39,586 INFO L158 Benchmark]: Toolchain (without parser) took 1148.83ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 37.8MB in the beginning and 39.7MB in the end (delta: -1.9MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,587 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 44.0MB. Free memory was 21.7MB in the beginning and 21.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:39,587 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 62.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:39,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.33ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 37.8MB in the beginning and 55.7MB in the end (delta: -18.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.61ms. Allocated memory is still 77.6MB. Free memory was 55.7MB in the beginning and 54.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,590 INFO L158 Benchmark]: Boogie Preprocessor took 49.16ms. Allocated memory is still 77.6MB. Free memory was 54.4MB in the beginning and 53.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,590 INFO L158 Benchmark]: RCFGBuilder took 415.08ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 40.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,591 INFO L158 Benchmark]: Referee took 321.62ms. Allocated memory is still 77.6MB. Free memory was 40.5MB in the beginning and 39.7MB in the end (delta: 743.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,594 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 main to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 44.0MB. Free memory was 21.7MB in the beginning and 21.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.27ms. Allocated memory is still 62.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.33ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 37.8MB in the beginning and 55.7MB in the end (delta: -18.0MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.61ms. Allocated memory is still 77.6MB. Free memory was 55.7MB in the beginning and 54.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.16ms. Allocated memory is still 77.6MB. Free memory was 54.4MB in the beginning and 53.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 415.08ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 40.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 321.62ms. Allocated memory is still 77.6MB. Free memory was 40.5MB in the beginning and 39.7MB in the end (delta: 743.1kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:32:39,626 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...