This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:59,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:59,129 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:59,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:59,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:59,153 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:59,154 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:59,154 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:59,155 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:59,158 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:59,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:59,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:59,159 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:59,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:59,159 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:59,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:59,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:59,160 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:59,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:59,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:59,160 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:59,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:59,163 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:59,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:59,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:59,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:59,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:59,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:59,164 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:59,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:59,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:59,164 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:59,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:59,442 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:59,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:59,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:59,445 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:59,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/hh2012-ex2b.i [2024-10-15 15:31:00,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:00,877 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:00,877 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex2b.i [2024-10-15 15:31:00,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0e6e64d7e/6c291961c1d046e5b1e33acdaeff5997/FLAG59a0752ac [2024-10-15 15:31:00,893 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0e6e64d7e/6c291961c1d046e5b1e33acdaeff5997 [2024-10-15 15:31:00,895 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:00,895 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:00,896 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex2b.yml/witness-2.1.yml [2024-10-15 15:31:00,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:00,939 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:00,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:00,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:00,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:00,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:00" (1/2) ... [2024-10-15 15:31:00,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31dc0f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:00, skipping insertion in model container [2024-10-15 15:31:00,950 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:00" (1/2) ... [2024-10-15 15:31:00,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@fbdcfd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:00, skipping insertion in model container [2024-10-15 15:31:00,955 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 03:31:00" (2/2) ... [2024-10-15 15:31:00,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31dc0f0e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:00, skipping insertion in model container [2024-10-15 15:31:00,956 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 03:31:00" (2/2) ... [2024-10-15 15:31:00,963 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:00,965 INFO L1541 ArrayList]: Loop invariant at [L17-L28] (n < 61) [2024-10-15 15:31:00,965 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures 0 [2024-10-15 15:31:00,965 INFO L1541 ArrayList]: Function contract at [L13]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:31:00,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:01,108 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-lit/hh2012-ex2b.i[800,813] [2024-10-15 15:31:01,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:01,126 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:01,156 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-lit/hh2012-ex2b.i[800,813] Start Parsing Global Start Parsing Local [2024-10-15 15:31:01,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:01,174 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:01,175 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:01 WrapperNode [2024-10-15 15:31:01,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:01,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:01,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:01,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:01,182 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,191 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,197 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:01,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:01,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:01,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:01,198 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:01,206 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,206 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,207 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,213 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:31:01,213 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,214 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,216 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,219 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,223 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,223 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:01,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:01,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:01,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:01,226 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 03:31:01" (1/1) ... [2024-10-15 15:31:01,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:01,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:01,255 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 15:31:01,258 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 15:31:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:01,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:01,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:01,351 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:01,354 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:01,445 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:01,455 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:01,481 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:01,481 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:01,481 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:01 BoogieIcfgContainer [2024-10-15 15:31:01,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:01,482 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:01,482 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:01,483 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:01,483 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:00" (1/4) ... [2024-10-15 15:31:01,483 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bccdc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:01, skipping insertion in model container [2024-10-15 15:31:01,483 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 03:31:00" (2/4) ... [2024-10-15 15:31:01,483 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bccdc9b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:01, skipping insertion in model container [2024-10-15 15:31:01,483 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 03:31:01" (3/4) ... [2024-10-15 15:31:01,484 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bccdc9b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:01, skipping insertion in model container [2024-10-15 15:31:01,484 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 03:31:01" (4/4) ... [2024-10-15 15:31:01,486 INFO L79 RefereeObserver]: Analyzing ICFG hh2012-ex2b.i [2024-10-15 15:31:01,489 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:01,490 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:31:01,490 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-10-15 15:31:01,490 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 15:31:01,491 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:01,491 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 15:31:01,491 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 15:31:01,491 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:01,491 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:01,527 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:31:01,528 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:01,528 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:01,529 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:01,530 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:01,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,553 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:31:01,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:01,554 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:01,555 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:01,555 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:01,570 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:01,581 INFO L309 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-10-15 15:31:01,582 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:01,582 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:01,582 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:01,583 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:01,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,606 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-10-15 15:31:01,607 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,607 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:01,607 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:01,607 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:01,613 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:01,616 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:01,620 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:31:01,620 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:01,620 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:01,620 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:01,620 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:01,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,621 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:31:01,621 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,621 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:01,621 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:01,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:01,622 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:01,625 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:01,629 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:01,629 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:01,629 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:01,630 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:01,630 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:01,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,631 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:01,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,631 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:01,631 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:01,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:01,633 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:01,634 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:01,641 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:01,643 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:01,643 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:01,644 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:01,644 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:01,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,647 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:01,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,650 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:01,650 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:01,650 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:01,651 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:01,653 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:01,658 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:01,659 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:01,659 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:01,659 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:01,659 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:01,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,660 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:01,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,661 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:01,661 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:01,661 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:01,661 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:01,663 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:01,666 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:01,670 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:01,670 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:01,671 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:01,671 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:01,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,672 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:01,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:01,675 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:01,675 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:01,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:01,676 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:01,678 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:01,681 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:01,682 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bccdc9b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:01, skipping insertion in model container [2024-10-15 15:31:01,682 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:01,684 INFO L158 Benchmark]: Toolchain (without parser) took 743.74ms. Allocated memory is still 73.4MB. Free memory was 36.6MB in the beginning and 31.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:01,684 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 30.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:01,685 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 73.4MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:01,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.89ms. Allocated memory is still 73.4MB. Free memory was 36.4MB in the beginning and 40.2MB in the end (delta: -3.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:01,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.61ms. Allocated memory is still 73.4MB. Free memory was 40.2MB in the beginning and 39.3MB in the end (delta: 838.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:01,687 INFO L158 Benchmark]: Boogie Preprocessor took 26.21ms. Allocated memory is still 73.4MB. Free memory was 39.3MB in the beginning and 37.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:01,687 INFO L158 Benchmark]: RCFGBuilder took 256.73ms. Allocated memory is still 73.4MB. Free memory was 37.8MB in the beginning and 48.4MB in the end (delta: -10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:01,688 INFO L158 Benchmark]: Referee took 200.19ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 31.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:01,690 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 17 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 24. 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 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 30.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 73.4MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.89ms. Allocated memory is still 73.4MB. Free memory was 36.4MB in the beginning and 40.2MB in the end (delta: -3.8MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.61ms. Allocated memory is still 73.4MB. Free memory was 40.2MB in the beginning and 39.3MB in the end (delta: 838.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.21ms. Allocated memory is still 73.4MB. Free memory was 39.3MB in the beginning and 37.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 256.73ms. Allocated memory is still 73.4MB. Free memory was 37.8MB in the beginning and 48.4MB in the end (delta: -10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 200.19ms. Allocated memory is still 73.4MB. Free memory was 48.4MB in the beginning and 31.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:01,715 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...