This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:49,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:49,317 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:49,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:49,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:49,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:49,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:49,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:49,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:49,352 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:49,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:49,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:49,353 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:49,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:49,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:49,357 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:49,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:49,358 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:49,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:49,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:49,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:49,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:49,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:49,361 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:49,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:49,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:49,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:49,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:49,362 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:49,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:49,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:49,363 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:49,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:49,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:49,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:49,733 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:49,733 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:49,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll_valuebound50.yml/witness-2.1.yml [2024-10-15 15:33:49,801 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:49,801 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:49,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2024-10-15 15:33:51,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:51,619 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:51,620 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_valuebound50.c [2024-10-15 15:33:51,626 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f0003bd9d/9f628218197f44198211f682c7d0dc5d/FLAGc367960f7 [2024-10-15 15:33:51,648 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f0003bd9d/9f628218197f44198211f682c7d0dc5d [2024-10-15 15:33:51,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:51,652 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:51,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:51,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:51,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:51,661 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 03:33:49" (1/2) ... [2024-10-15 15:33:51,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fb288f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:51, skipping insertion in model container [2024-10-15 15:33:51,662 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 03:33:49" (1/2) ... [2024-10-15 15:33:51,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@ba64878 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:51, skipping insertion in model container [2024-10-15 15:33:51,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:51" (2/2) ... [2024-10-15 15:33:51,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fb288f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51, skipping insertion in model container [2024-10-15 15:33:51,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:51" (2/2) ... [2024-10-15 15:33:51,680 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:51,680 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((c + ((__int128) c * y)) == (y + ((__int128) y * y))) && ((((__int128) c * 2) + ((__int128) c * y)) == (((__int128) y * 2) + ((__int128) y * y)))) && (((((((__int128) y * y) * y) * y) + ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 4))) && ((c < k) || (((__int128) y * y) == ((__int128) k * y)))) [2024-10-15 15:33:51,680 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:51,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:51,889 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/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] [2024-10-15 15:33:51,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:51,916 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:33:51,955 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/nla-digbench-scaling/ps4-ll_valuebound50.c[458,471] Start Parsing Local [2024-10-15 15:33:51,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:51,992 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:51,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51 WrapperNode [2024-10-15 15:33:51,994 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:51,995 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:51,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:51,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:52,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,015 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:52,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:52,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:52,017 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:52,017 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:52,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,032 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,042 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 15:33:52,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:52,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:52,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:52,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:52,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (1/1) ... [2024-10-15 15:33:52,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:52,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:52,104 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 15:33:52,111 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 15:33:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:52,231 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:52,233 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:52,384 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:52,403 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:52,442 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:52,444 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:52,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:52 BoogieIcfgContainer [2024-10-15 15:33:52,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:52,446 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:52,446 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:52,447 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:52,447 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 03:33:49" (1/4) ... [2024-10-15 15:33:52,448 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@229640db and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:52, skipping insertion in model container [2024-10-15 15:33:52,448 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:51" (2/4) ... [2024-10-15 15:33:52,448 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@229640db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:52, skipping insertion in model container [2024-10-15 15:33:52,449 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:51" (3/4) ... [2024-10-15 15:33:52,450 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@229640db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:52, skipping insertion in model container [2024-10-15 15:33:52,450 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:52" (4/4) ... [2024-10-15 15:33:52,452 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll_valuebound50.c [2024-10-15 15:33:52,456 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:52,457 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:52,457 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:52,457 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-10-15 15:33:52,457 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:33:52,458 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 15:33:52,458 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 15:33:52,458 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:33:52,459 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 loop head, 3 loop-free subgraphs from loop head to error location [2024-10-15 15:33:52,519 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:52,520 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:52,521 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:52,521 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:52,522 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:52,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,558 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:52,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,560 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:52,560 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:52,560 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:52,571 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:52,588 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:52,610 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:52,611 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:52,611 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:52,611 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:52,611 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:52,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,618 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:52,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,618 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:52,618 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:52,618 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:52,619 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:52,623 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:52,642 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:52,643 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:52,643 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:52,643 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:52,643 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:52,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,653 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:52,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,655 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:52,655 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:52,656 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:52,656 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:52,665 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:52,677 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:52,677 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:52,677 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:52,678 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:52,678 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:52,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,692 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:52,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:52,693 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:52,693 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:52,694 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:52,704 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:52,716 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:52,716 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:52,716 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:52,716 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:52,716 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:52,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,719 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:52,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,720 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:52,720 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:52,720 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:52,721 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:52,727 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:52,740 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:52,741 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:52,741 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:52,741 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:52,741 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:52,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,742 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:52,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,743 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:52,743 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:52,743 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:52,743 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:52,746 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:52,756 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:52,756 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:52,757 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:52,757 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:52,757 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:52,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,783 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-10-15 15:33:52,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:52,784 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:52,784 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:52,785 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:52,787 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:52,791 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:52,794 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:52,794 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@229640db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:52, skipping insertion in model container [2024-10-15 15:33:52,794 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:52,798 INFO L158 Benchmark]: Toolchain (without parser) took 1143.91ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 34.1MB in the beginning and 60.8MB in the end (delta: -26.7MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:52,799 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:52,801 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 62.9MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:52,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.40ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 33.8MB in the beginning and 58.4MB in the end (delta: -24.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:52,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.36ms. Allocated memory is still 86.0MB. Free memory was 58.4MB in the beginning and 57.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:52,803 INFO L158 Benchmark]: Boogie Preprocessor took 43.66ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 55.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:52,803 INFO L158 Benchmark]: RCFGBuilder took 383.96ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 43.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:33:52,804 INFO L158 Benchmark]: Referee took 348.71ms. Allocated memory is still 86.0MB. Free memory was 43.0MB in the beginning and 60.8MB in the end (delta: -17.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:52,807 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 main to loop head at line 27. 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 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. 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 11. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.40ms. Allocated memory is still 62.9MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.40ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 33.8MB in the beginning and 58.4MB in the end (delta: -24.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.36ms. Allocated memory is still 86.0MB. Free memory was 58.4MB in the beginning and 57.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.66ms. Allocated memory is still 86.0MB. Free memory was 57.3MB in the beginning and 55.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.96ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 43.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 348.71ms. Allocated memory is still 86.0MB. Free memory was 43.0MB in the beginning and 60.8MB in the end (delta: -17.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:52,833 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...