This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:24,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:24,687 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:24,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:24,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:24,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:24,718 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:24,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:24,719 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:24,722 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:24,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:24,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:24,723 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:24,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:24,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:24,723 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:24,723 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:24,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:24,724 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:24,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:24,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:24,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:24,726 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:24,726 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:24,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:24,726 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:24,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:24,727 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:24,727 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:24,727 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:24,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:24,728 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:24,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:24,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:24,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:24,995 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:24,996 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:24,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/diamond_1-1.c [2024-10-15 15:30:26,219 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:26,407 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:26,408 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/diamond_1-1.c [2024-10-15 15:30:26,417 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/12b051f58/f1e8e4ed83414abaa75b21f6e6a00db7/FLAG90e76c623 [2024-10-15 15:30:26,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/12b051f58/f1e8e4ed83414abaa75b21f6e6a00db7 [2024-10-15 15:30:26,799 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:26,800 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:26,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/diamond_1-1.yml/witness-2.1.yml [2024-10-15 15:30:26,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:26,836 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:26,837 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:26,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:26,842 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:26,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:26" (1/2) ... [2024-10-15 15:30:26,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d02c4bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:26, skipping insertion in model container [2024-10-15 15:30:26,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:26" (1/2) ... [2024-10-15 15:30:26,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f79f3dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:26, skipping insertion in model container [2024-10-15 15:30:26,845 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 03:30:26" (2/2) ... [2024-10-15 15:30:26,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d02c4bb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:26, skipping insertion in model container [2024-10-15 15:30:26,845 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 03:30:26" (2/2) ... [2024-10-15 15:30:26,850 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:26,850 INFO L1541 ArrayList]: Loop invariant at [L17-L23] ((((x == 0) || (((y % 2) == 0) && ((x % 2) == 0))) || ((((x + 4294967295) % 4294967296) <= 98) && ((x % 2) == 0))) || ((((x + 4294967295) % 4294967296) <= 98) && ((x % 2) == (y % 2)))) [2024-10-15 15:30:26,850 INFO L1541 ArrayList]: Function contract at [L6]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:30:26,862 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:27,003 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-acceleration/diamond_1-1.c[373,386] [2024-10-15 15:30:27,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:27,023 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:27,063 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-acceleration/diamond_1-1.c[373,386] Start Parsing Local [2024-10-15 15:30:27,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:27,089 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:27,090 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:27 WrapperNode [2024-10-15 15:30:27,090 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:27,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:27,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:27,092 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:27,097 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,102 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,107 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:27,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:27,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:27,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:27,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:27,118 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,118 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,122 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,136 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 15:30:27,136 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,136 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,141 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,143 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,145 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,147 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:27,148 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:27,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:27,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:27,149 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 03:30:27" (1/1) ... [2024-10-15 15:30:27,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:27,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:27,180 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 15:30:27,183 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 15:30:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:27,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:27,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:27,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:27,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:27,286 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:27,289 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:27,416 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:27,429 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:27,451 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:27,454 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:27,454 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:27 BoogieIcfgContainer [2024-10-15 15:30:27,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:27,455 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:27,455 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:27,456 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:27,456 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:26" (1/4) ... [2024-10-15 15:30:27,456 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73394d8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:27, skipping insertion in model container [2024-10-15 15:30:27,457 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 03:30:26" (2/4) ... [2024-10-15 15:30:27,457 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73394d8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:27, skipping insertion in model container [2024-10-15 15:30:27,457 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 03:30:27" (3/4) ... [2024-10-15 15:30:27,457 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73394d8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:27, skipping insertion in model container [2024-10-15 15:30:27,458 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 03:30:27" (4/4) ... [2024-10-15 15:30:27,459 INFO L79 RefereeObserver]: Analyzing ICFG diamond_1-1.c [2024-10-15 15:30:27,461 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:27,462 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:30:27,462 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 15:30:27,462 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:30:27,462 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 15:30:27,462 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 15:30:27,462 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:30:27,497 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:27,498 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:27,498 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:27,499 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:27,500 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:27,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:27,528 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:27,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:27,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:27,529 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:27,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:27,540 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:27,561 INFO L520 InvariantChecker]: The annotation(s) from loop head L18-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:27,570 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:30:27,570 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:27,570 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:27,570 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:27,570 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:27,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:27,575 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:30:27,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:27,575 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:27,575 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:27,575 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:27,575 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:27,579 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:27,585 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:30:27,585 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:27,585 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:27,585 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:27,585 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:27,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:27,593 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:30:27,593 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:27,593 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:27,593 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:27,593 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:27,595 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:27,598 INFO L520 InvariantChecker]: The annotation(s) from loop head L18-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:27,602 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:27,602 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:27,602 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:27,603 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:27,603 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:27,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:27,605 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:27,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:27,606 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:27,606 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:27,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:27,607 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:27,608 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:27,612 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:27,612 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:27,612 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:27,613 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:27,613 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:27,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:27,614 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:27,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:27,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:27,614 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:27,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:27,615 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:27,617 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:27,619 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:27,620 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73394d8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:27, skipping insertion in model container [2024-10-15 15:30:27,620 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:27,623 INFO L158 Benchmark]: Toolchain (without parser) took 783.98ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 39.3MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-15 15:30:27,623 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 26.7MB in the beginning and 26.7MB in the end (delta: 63.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:27,624 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 60.7MB in the end (delta: 287.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:27,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.99ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 44.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:30:27,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.95ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 43.9MB in the end (delta: 857.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:27,625 INFO L158 Benchmark]: Boogie Preprocessor took 38.91ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 42.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:27,626 INFO L158 Benchmark]: RCFGBuilder took 306.14ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 55.2MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:30:27,626 INFO L158 Benchmark]: Referee took 165.01ms. Allocated memory is still 83.9MB. Free memory was 55.2MB in the beginning and 39.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:30:27,629 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 check that procedure precondition always holds at line 17. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 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. 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 8. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 26.7MB in the beginning and 26.7MB in the end (delta: 63.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 60.7MB in the end (delta: 287.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.99ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 44.8MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.95ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 43.9MB in the end (delta: 857.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.91ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 42.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.14ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 55.2MB in the end (delta: -13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 165.01ms. Allocated memory is still 83.9MB. Free memory was 55.2MB in the beginning and 39.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:27,649 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...