This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:33,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:33,205 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:33,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:33,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:33,240 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:33,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:33,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:33,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:33,253 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:33,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:33,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:33,255 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:33,257 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:33,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:33,258 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:33,258 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:33,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:33,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:33,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:33,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:33,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:33,264 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:33,264 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:33,265 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:33,265 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:33,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:33,266 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:33,266 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:33,266 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:33,266 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:33,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:33,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:33,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:33,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:33,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:33,647 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:33,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-crafted/simple_vardep_2.c [2024-10-15 15:30:35,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:35,378 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:35,379 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-crafted/simple_vardep_2.c [2024-10-15 15:30:35,391 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1d91ef8d1/a4a1b62d8d9e48d3b345313c6319027a/FLAG91564e64c [2024-10-15 15:30:35,413 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1d91ef8d1/a4a1b62d8d9e48d3b345313c6319027a [2024-10-15 15:30:35,416 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:35,417 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:35,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_vardep_2.yml/witness-2.1.yml [2024-10-15 15:30:35,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:35,474 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:35,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:35,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:35,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:35,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:35" (1/2) ... [2024-10-15 15:30:35,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d10d80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:35, skipping insertion in model container [2024-10-15 15:30:35,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:35" (1/2) ... [2024-10-15 15:30:35,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2746d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:35, skipping insertion in model container [2024-10-15 15:30:35,487 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 03:30:35" (2/2) ... [2024-10-15 15:30:35,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d10d80f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:35, skipping insertion in model container [2024-10-15 15:30:35,487 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 03:30:35" (2/2) ... [2024-10-15 15:30:35,495 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:35,496 INFO L1541 ArrayList]: Loop invariant at [L21-L26] ((((k == (((long long) i * 3) % 4294967296)) && ((j + ((i / 2147483648) * 4294967296)) == ((long long) i * 2))) && (((long long) i * 3) <= k)) && (((long long) i * 2) <= j)) [2024-10-15 15:30:35,499 INFO L1541 ArrayList]: Function contract at [L7]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:30:35,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:35,696 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-crafted/simple_vardep_2.c[584,597] [2024-10-15 15:30:35,710 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:35,722 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:35,758 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-crafted/simple_vardep_2.c[584,597] Start Parsing Local [2024-10-15 15:30:35,772 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:35,790 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:35,791 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:35 WrapperNode [2024-10-15 15:30:35,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:35,792 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:35,792 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:35,793 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:35,800 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,806 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,816 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:35,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:35,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:35,822 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:35,822 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:35,832 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,832 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,833 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,848 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 15:30:35,849 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,849 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,851 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,856 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,859 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,860 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:35,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:35,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:35,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:35,864 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 03:30:35" (1/1) ... [2024-10-15 15:30:35,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:35,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:35,897 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 15:30:35,900 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 15:30:35,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:35,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:35,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:35,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:35,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:36,008 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:36,010 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:36,168 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:36,196 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:36,229 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:36,231 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:36,231 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:36 BoogieIcfgContainer [2024-10-15 15:30:36,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:36,232 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:36,232 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:36,233 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:36,234 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:35" (1/4) ... [2024-10-15 15:30:36,235 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48517ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:36, skipping insertion in model container [2024-10-15 15:30:36,235 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 03:30:35" (2/4) ... [2024-10-15 15:30:36,235 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48517ceb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:36, skipping insertion in model container [2024-10-15 15:30:36,236 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 03:30:35" (3/4) ... [2024-10-15 15:30:36,236 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48517ceb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:36, skipping insertion in model container [2024-10-15 15:30:36,237 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 03:30:36" (4/4) ... [2024-10-15 15:30:36,238 INFO L79 RefereeObserver]: Analyzing ICFG simple_vardep_2.c [2024-10-15 15:30:36,242 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:36,245 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:30:36,245 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 15:30:36,245 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-10-15 15:30:36,246 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 15:30:36,246 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 15:30:36,246 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:30:36,304 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:36,305 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:36,305 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:36,306 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:36,306 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:36,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:36,349 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:36,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:36,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:36,350 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:36,351 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:36,351 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:36,556 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:36,578 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:30:36,582 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:36,582 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:36,582 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:36,583 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:36,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:36,586 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:30:36,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:36,588 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:36,588 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:36,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:36,589 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:36,594 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:36,604 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:30:36,604 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:36,605 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:36,605 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:36,605 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:36,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:36,618 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:30:36,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:36,618 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:36,619 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:36,619 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:36,619 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:37,054 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:37,062 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:37,062 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:37,062 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:37,062 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:37,063 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:37,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:37,065 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:37,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:37,066 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:37,066 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:37,066 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:37,071 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:37,078 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:37,088 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:37,089 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:37,089 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:37,089 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:37,089 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:37,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:37,091 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:37,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:37,092 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:37,092 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:37,092 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:37,092 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:37,097 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:37,100 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:37,101 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48517ceb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:37, skipping insertion in model container [2024-10-15 15:30:37,101 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:37,103 INFO L158 Benchmark]: Toolchain (without parser) took 1628.18ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 30.9MB in the beginning and 49.3MB in the end (delta: -18.5MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-10-15 15:30:37,104 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:37,104 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:37,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.82ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 30.7MB in the beginning and 56.5MB in the end (delta: -25.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2024-10-15 15:30:37,105 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.78ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 55.5MB in the end (delta: 672.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:37,106 INFO L158 Benchmark]: Boogie Preprocessor took 41.09ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 53.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:37,106 INFO L158 Benchmark]: RCFGBuilder took 369.10ms. Allocated memory is still 83.9MB. Free memory was 53.7MB in the beginning and 41.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:37,107 INFO L158 Benchmark]: Referee took 868.77ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 49.3MB in the end (delta: -7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:37,110 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 check that a call to reach_error is unreachable at line 10. 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 21. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 21 to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 60.8MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 32.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.82ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 30.7MB in the beginning and 56.5MB in the end (delta: -25.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.78ms. Allocated memory is still 83.9MB. Free memory was 56.1MB in the beginning and 55.5MB in the end (delta: 672.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.09ms. Allocated memory is still 83.9MB. Free memory was 55.1MB in the beginning and 53.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.10ms. Allocated memory is still 83.9MB. Free memory was 53.7MB in the beginning and 41.5MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 868.77ms. Allocated memory is still 83.9MB. Free memory was 41.5MB in the beginning and 49.3MB in the end (delta: -7.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:37,148 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...