This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:34:17,448 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:34:17,516 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:34:17,519 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:34:17,522 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:34:17,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:34:17,553 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:34:17,554 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:34:17,554 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:34:17,555 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:34:17,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:34:17,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:34:17,558 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:34:17,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:34:17,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:34:17,559 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:34:17,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:34:17,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:34:17,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:34:17,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:34:17,560 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:34:17,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:34:17,565 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:34:17,565 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:34:17,565 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:34:17,565 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:34:17,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:34:17,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:34:17,566 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:34:17,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:34:17,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:34:17,567 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:34:17,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:34:17,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:34:17,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:34:17,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:34:17,879 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:34:17,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c [2024-10-15 15:34:19,288 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:34:19,466 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:34:19,467 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/recursified_loop-crafted/recursified_simple_vardep_2.c [2024-10-15 15:34:19,473 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2d0a12ab0/03c90150371c4981b952720ea21c9124/FLAG6fe38c44d [2024-10-15 15:34:19,849 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2d0a12ab0/03c90150371c4981b952720ea21c9124 [2024-10-15 15:34:19,851 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:34:19,856 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:34:19,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/recursified_simple_vardep_2.yml/witness-2.1.yml [2024-10-15 15:34:19,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:34:19,902 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:34:19,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:19,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:34:19,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:34:19,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:19" (1/2) ... [2024-10-15 15:34:19,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a85d515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:19, skipping insertion in model container [2024-10-15 15:34:19,909 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:19" (1/2) ... [2024-10-15 15:34:19,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5d1a2a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:19, skipping insertion in model container [2024-10-15 15:34:19,910 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 03:34:19" (2/2) ... [2024-10-15 15:34:19,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a85d515 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:19, skipping insertion in model container [2024-10-15 15:34:19,910 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 03:34:19" (2/2) ... [2024-10-15 15:34:19,916 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:34:19,917 INFO L1541 ArrayList]: Function contract at [L20]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:34:19,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:34:20,062 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/recursified_loop-crafted/recursified_simple_vardep_2.c[1113,1126] [2024-10-15 15:34:20,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:20,079 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:34:20,105 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/recursified_loop-crafted/recursified_simple_vardep_2.c[1113,1126] [2024-10-15 15:34:20,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:20,122 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:34:20,122 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:20 WrapperNode [2024-10-15 15:34:20,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:20,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:20,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:34:20,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:34:20,137 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,143 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,152 INFO L138 Inliner]: procedures = 14, calls = 30, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:34:20,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:20,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:34:20,154 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:34:20,159 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:34:20,166 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,167 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,172 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,188 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 15:34:20,189 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,189 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,193 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,196 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,197 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,198 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:34:20,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:34:20,205 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:34:20,205 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:34:20,206 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 03:34:20" (1/1) ... [2024-10-15 15:34:20,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:34:20,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:34:20,230 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 15:34:20,232 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 15:34:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:34:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:34:20,272 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:34:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:34:20,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 15:34:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-15 15:34:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:34:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:34:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:34:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:34:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-15 15:34:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_24_0 [2024-10-15 15:34:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_24_0 [2024-10-15 15:34:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:34:20,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:34:20,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 15:34:20,344 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:34:20,345 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:34:20,467 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:34:20,486 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:34:20,511 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:34:20,512 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:34:20,512 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:20 BoogieIcfgContainer [2024-10-15 15:34:20,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:34:20,513 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:34:20,514 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:34:20,514 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:34:20,515 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:34:19" (1/4) ... [2024-10-15 15:34:20,515 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@75f75acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:20, skipping insertion in model container [2024-10-15 15:34:20,515 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 03:34:19" (2/4) ... [2024-10-15 15:34:20,516 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@75f75acc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:34:20, skipping insertion in model container [2024-10-15 15:34:20,516 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 03:34:20" (3/4) ... [2024-10-15 15:34:20,517 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@75f75acc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:34:20, skipping insertion in model container [2024-10-15 15:34:20,517 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 03:34:20" (4/4) ... [2024-10-15 15:34:20,518 INFO L79 RefereeObserver]: Analyzing ICFG recursified_simple_vardep_2.c [2024-10-15 15:34:20,521 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:34:20,522 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC func_to_recursive_line_20_to_24_0Err0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:34:20,522 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 15:34:20,522 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 15:34:20,523 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:34:20,566 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:34:20,570 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:20,570 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:20,571 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:20,572 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:20,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:20,630 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:34:20,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:20,632 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:20,632 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:20,632 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:20,640 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:20,703 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:34:20,707 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:20,707 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:20,707 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:20,708 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:20,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:20,711 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:34:20,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:20,711 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:20,711 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:20,711 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:20,712 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:20,717 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:34:20,726 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:34:20,728 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:20,728 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:20,728 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:20,728 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:20,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:20,730 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:34:20,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:20,731 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:20,731 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:20,731 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:20,732 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:20,733 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:34:20,749 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-10-15 15:34:20,749 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@75f75acc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:34:20, skipping insertion in model container [2024-10-15 15:34:20,749 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:34:20,750 INFO L158 Benchmark]: Toolchain (without parser) took 847.63ms. Allocated memory is still 62.9MB. Free memory was 41.3MB in the beginning and 30.8MB in the end (delta: 10.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-10-15 15:34:20,751 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:20,751 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:20,751 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.40ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 27.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:34:20,752 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.84ms. Allocated memory is still 62.9MB. Free memory was 27.1MB in the beginning and 26.2MB in the end (delta: 938.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:20,755 INFO L158 Benchmark]: Boogie Preprocessor took 50.89ms. Allocated memory is still 62.9MB. Free memory was 26.2MB in the beginning and 42.1MB in the end (delta: -15.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:34:20,755 INFO L158 Benchmark]: RCFGBuilder took 307.74ms. Allocated memory is still 62.9MB. Free memory was 42.1MB in the beginning and 29.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:34:20,756 INFO L158 Benchmark]: Referee took 236.11ms. Allocated memory is still 62.9MB. Free memory was 29.8MB in the beginning and 30.8MB in the end (delta: -1.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-10-15 15:34:20,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure func_to_recursive_line_20_to_24_0 to check that procedure precondition always holds at line 45. One counterexample starts in \old(i)={8:9}, \old(j)={10:6}, \old(k)={5:6} and ends in \old(i)={8:9}, \old(j)={10:6}, \old(k)={5:6}, i={8:9}, j={10:6}, k={5:6}. 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 24. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory is still 28.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 62.9MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.40ms. Allocated memory is still 62.9MB. Free memory was 41.1MB in the beginning and 27.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.84ms. Allocated memory is still 62.9MB. Free memory was 27.1MB in the beginning and 26.2MB in the end (delta: 938.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.89ms. Allocated memory is still 62.9MB. Free memory was 26.2MB in the beginning and 42.1MB in the end (delta: -15.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 307.74ms. Allocated memory is still 62.9MB. Free memory was 42.1MB in the beginning and 29.8MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 236.11ms. Allocated memory is still 62.9MB. Free memory was 29.8MB in the beginning and 30.8MB in the end (delta: -1.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 15:34:20,799 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...