This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:35,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:35,411 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:35,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:35,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:35,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:35,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:35,444 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:35,444 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:35,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:35,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:35,447 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:35,447 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:35,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:35,448 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:35,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:35,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:35,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:35,452 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:35,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:35,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:35,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:35,453 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:35,453 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:35,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:35,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:35,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:35,454 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:35,454 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:35,455 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:35,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:35,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:35,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:35,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:35,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:35,814 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:35,815 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:35,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_1.c [2024-10-15 15:31:37,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:37,585 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:37,586 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_1.c [2024-10-15 15:31:37,593 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b950d3cf5/f43f0c155a9c4beea03c163cabc114b4/FLAG9aa27f3e8 [2024-10-15 15:31:37,605 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b950d3cf5/f43f0c155a9c4beea03c163cabc114b4 [2024-10-15 15:31:37,608 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:37,608 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:37,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_1.yml/witness-2.1.yml [2024-10-15 15:31:37,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:37,656 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:37,658 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:37,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:37,664 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:37,665 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:37" (1/2) ... [2024-10-15 15:31:37,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f9cec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:37, skipping insertion in model container [2024-10-15 15:31:37,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:37" (1/2) ... [2024-10-15 15:31:37,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1122d070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:37, skipping insertion in model container [2024-10-15 15:31:37,669 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 03:31:37" (2/2) ... [2024-10-15 15:31:37,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f9cec9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:37, skipping insertion in model container [2024-10-15 15:31:37,669 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 03:31:37" (2/2) ... [2024-10-15 15:31:37,674 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:37,675 INFO L1541 ArrayList]: Loop invariant at [L19-L21] (a < 7) [2024-10-15 15:31:37,693 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:37,871 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_1.c[676,689] [2024-10-15 15:31:37,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:37,888 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local [2024-10-15 15:31:37,926 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_1.c[676,689] [2024-10-15 15:31:37,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:37,942 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:37,943 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:37 WrapperNode [2024-10-15 15:31:37,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:37,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:37,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:37,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:37,952 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 03:31:37" (1/1) ... [2024-10-15 15:31:37,958 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 03:31:37" (1/1) ... [2024-10-15 15:31:37,963 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:37,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:37,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:37,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:37,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:37,975 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 03:31:37" (1/1) ... [2024-10-15 15:31:37,975 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 03:31:37" (1/1) ... [2024-10-15 15:31:37,976 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 03:31:37" (1/1) ... [2024-10-15 15:31:37,992 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-15 15:31:37,993 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 03:31:37" (1/1) ... [2024-10-15 15:31:37,993 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 03:31:37" (1/1) ... [2024-10-15 15:31:37,996 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 03:31:37" (1/1) ... [2024-10-15 15:31:37,999 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 03:31:37" (1/1) ... [2024-10-15 15:31:38,003 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 03:31:37" (1/1) ... [2024-10-15 15:31:38,004 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 03:31:37" (1/1) ... [2024-10-15 15:31:38,005 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:38,006 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:38,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:38,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:38,008 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 03:31:37" (1/1) ... [2024-10-15 15:31:38,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:38,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:38,043 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 15:31:38,057 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 15:31:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:38,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:38,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 15:31:38,180 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:38,182 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:38,282 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:38,313 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:38,313 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:38,314 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:38 BoogieIcfgContainer [2024-10-15 15:31:38,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:38,314 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:38,315 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:38,316 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:38,316 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:37" (1/4) ... [2024-10-15 15:31:38,317 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@192f6e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:38, skipping insertion in model container [2024-10-15 15:31:38,317 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 03:31:37" (2/4) ... [2024-10-15 15:31:38,318 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@192f6e86 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:38, skipping insertion in model container [2024-10-15 15:31:38,318 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 03:31:37" (3/4) ... [2024-10-15 15:31:38,319 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@192f6e86 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:38, skipping insertion in model container [2024-10-15 15:31:38,319 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 03:31:38" (4/4) ... [2024-10-15 15:31:38,321 INFO L79 RefereeObserver]: Analyzing ICFG nested_1.c [2024-10-15 15:31:38,325 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:38,325 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:38,326 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:31:38,327 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-4 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:38,327 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:31:38,361 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:38,363 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:38,363 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:38,364 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:38,365 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:38,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,378 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:38,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:38,380 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:38,380 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:38,381 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:38,397 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:38,407 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:31:38,407 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:38,407 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:38,408 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:38,408 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:38,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,410 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:31:38,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,410 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:38,410 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:38,411 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:38,411 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:38,421 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:38,427 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:38,427 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:38,428 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:38,428 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:38,428 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:38,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,432 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:38,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:38,433 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:38,433 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:38,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:38,437 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:38,440 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-4 to error location mainErr1ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:38,443 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:38,444 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@192f6e86 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:38, skipping insertion in model container [2024-10-15 15:31:38,444 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:38,446 INFO L158 Benchmark]: Toolchain (without parser) took 788.59ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 45.3MB in the beginning and 49.2MB in the end (delta: -3.9MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:38,446 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:38,446 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 69.2MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:38,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.64ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 31.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:38,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.89ms. Allocated memory is still 69.2MB. Free memory was 31.7MB in the beginning and 30.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:38,448 INFO L158 Benchmark]: Boogie Preprocessor took 41.03ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 30.6MB in the beginning and 65.9MB in the end (delta: -35.3MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-10-15 15:31:38,449 INFO L158 Benchmark]: RCFGBuilder took 308.02ms. Allocated memory is still 86.0MB. Free memory was 65.9MB in the beginning and 56.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:31:38,450 INFO L158 Benchmark]: Referee took 129.55ms. Allocated memory is still 86.0MB. Free memory was 56.2MB in the beginning and 49.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:31:38,453 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 loop head at line 19 to loop head at line 19. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 19. Annotation is valid for all loop-free paths from loop head at line 19 to check that a call to reach_error is unreachable at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 69.2MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.64ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 31.7MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.89ms. Allocated memory is still 69.2MB. Free memory was 31.7MB in the beginning and 30.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.03ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 30.6MB in the beginning and 65.9MB in the end (delta: -35.3MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * RCFGBuilder took 308.02ms. Allocated memory is still 86.0MB. Free memory was 65.9MB in the beginning and 56.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 129.55ms. Allocated memory is still 86.0MB. Free memory was 56.2MB in the beginning and 49.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:38,480 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...