This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:09,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:09,655 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:09,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:09,665 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:09,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:09,702 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:09,703 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:09,703 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:09,704 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:09,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:09,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:09,705 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:09,708 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:09,708 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:09,708 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:09,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:09,709 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:09,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:09,710 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:09,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:09,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:09,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:09,715 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:09,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:09,715 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:09,716 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:09,716 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:09,716 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:09,716 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:09,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:09,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:10,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:10,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:10,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:10,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:10,106 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:10,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-new/half.i [2024-10-15 15:31:11,742 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:11,944 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:11,945 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-new/half.i [2024-10-15 15:31:11,952 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0ef27beab/4a41910430124f33b947bbad2d99b8fa/FLAGd43013f21 [2024-10-15 15:31:12,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0ef27beab/4a41910430124f33b947bbad2d99b8fa [2024-10-15 15:31:12,322 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:12,323 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:12,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/half.yml/witness-2.1.yml [2024-10-15 15:31:12,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:12,380 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:12,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:12,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:12,388 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:12,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:12" (1/2) ... [2024-10-15 15:31:12,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5b80ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:12, skipping insertion in model container [2024-10-15 15:31:12,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:12" (1/2) ... [2024-10-15 15:31:12,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50b7ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:12, skipping insertion in model container [2024-10-15 15:31:12,395 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 03:31:12" (2/2) ... [2024-10-15 15:31:12,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5b80ad and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:12, skipping insertion in model container [2024-10-15 15:31:12,396 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 03:31:12" (2/2) ... [2024-10-15 15:31:12,408 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:12,415 INFO L1541 ArrayList]: Loop invariant at [L29-L33] ((((((long long) n * 2) == ((long long) i + 1)) && (n <= k)) || ((n == 0) && (i == 0))) || ((i == ((long long) n * 2)) && (n <= k))) [2024-10-15 15:31:12,416 INFO L1541 ArrayList]: Function contract at [L17]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:31:12,440 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:12,627 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-new/half.i[891,904] [2024-10-15 15:31:12,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:12,651 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:12,690 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-new/half.i[891,904] Start Parsing Local [2024-10-15 15:31:12,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:12,717 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:12,718 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:12 WrapperNode [2024-10-15 15:31:12,718 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:12,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:12,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:12,720 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:12,727 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,734 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,739 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:12,740 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:12,741 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:12,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:12,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:12,751 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,751 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,752 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,765 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 15:31:12,765 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,766 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,768 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,773 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,773 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,775 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:12,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:12,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:12,777 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:12,778 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 03:31:12" (1/1) ... [2024-10-15 15:31:12,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:12,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:12,806 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 15:31:12,812 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 15:31:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:12,861 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:12,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:12,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:12,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:12,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:12,930 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:12,933 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:13,087 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:13,098 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:13,128 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:13,129 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:13,129 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:13 BoogieIcfgContainer [2024-10-15 15:31:13,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:13,130 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:13,130 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:13,131 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:13,131 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:12" (1/4) ... [2024-10-15 15:31:13,132 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@602511e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:13, skipping insertion in model container [2024-10-15 15:31:13,132 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 03:31:12" (2/4) ... [2024-10-15 15:31:13,132 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@602511e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:13, skipping insertion in model container [2024-10-15 15:31:13,132 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 03:31:12" (3/4) ... [2024-10-15 15:31:13,133 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@602511e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:13, skipping insertion in model container [2024-10-15 15:31:13,133 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 03:31:13" (4/4) ... [2024-10-15 15:31:13,134 INFO L79 RefereeObserver]: Analyzing ICFG half.i [2024-10-15 15:31:13,138 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:13,139 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:13,139 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:13,140 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:31:13,141 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 15:31:13,141 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 15:31:13,141 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, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-10-15 15:31:13,190 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:31:13,191 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:13,192 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:13,193 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:13,195 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:13,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:13,211 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:31:13,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:13,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:13,212 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:13,213 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:13,225 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:13,244 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:13,257 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:13,258 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:13,258 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:13,258 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:13,258 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:13,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:13,264 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:13,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:13,265 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:13,265 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:13,265 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:13,266 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:13,271 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:13,282 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-10-15 15:31:13,283 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:13,283 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:13,283 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:13,283 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:13,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:13,314 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-10-15 15:31:13,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:13,317 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:13,317 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:13,317 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:13,331 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:13,337 INFO L520 InvariantChecker]: The annotation(s) from loop head L29-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:13,348 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:13,349 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:13,349 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:13,349 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:13,349 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:13,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:13,355 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:13,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:13,357 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:13,358 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:13,358 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:13,359 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:13,363 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:13,376 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:13,376 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:13,376 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:13,377 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:13,377 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:13,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:13,379 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:13,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:13,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:13,380 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:13,380 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:13,381 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:13,384 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:13,387 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:13,389 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@602511e0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:13, skipping insertion in model container [2024-10-15 15:31:13,390 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:13,391 INFO L158 Benchmark]: Toolchain (without parser) took 1011.20ms. Allocated memory is still 71.3MB. Free memory was 36.2MB in the beginning and 31.5MB in the end (delta: 4.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-10-15 15:31:13,392 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 37.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:13,394 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:13,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.57ms. Allocated memory is still 71.3MB. Free memory was 35.9MB in the beginning and 39.5MB in the end (delta: -3.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-10-15 15:31:13,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.58ms. Allocated memory is still 71.3MB. Free memory was 39.5MB in the beginning and 38.6MB in the end (delta: 897.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:13,397 INFO L158 Benchmark]: Boogie Preprocessor took 35.94ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 37.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:13,397 INFO L158 Benchmark]: RCFGBuilder took 352.45ms. Allocated memory is still 71.3MB. Free memory was 37.0MB in the beginning and 49.0MB in the end (delta: -12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:13,398 INFO L158 Benchmark]: Referee took 259.64ms. Allocated memory is still 71.3MB. Free memory was 49.0MB in the beginning and 31.5MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:13,401 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 29. Annotation is valid for all loop-free paths from loop head at line 29 to check that procedure precondition always holds at line 29. 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 19. Annotation is valid for all loop-free paths from loop head at line 29 to loop head at line 29. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 52.4MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 37.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 71.3MB. Free memory is still 38.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.57ms. Allocated memory is still 71.3MB. Free memory was 35.9MB in the beginning and 39.5MB in the end (delta: -3.7MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.58ms. Allocated memory is still 71.3MB. Free memory was 39.5MB in the beginning and 38.6MB in the end (delta: 897.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.94ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 37.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 352.45ms. Allocated memory is still 71.3MB. Free memory was 37.0MB in the beginning and 49.0MB in the end (delta: -12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 259.64ms. Allocated memory is still 71.3MB. Free memory was 49.0MB in the beginning and 31.5MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:13,430 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...