This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:35,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:35,828 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:35,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:35,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:35,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:35,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:35,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:35,857 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:35,857 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:35,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:35,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:35,858 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:35,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:35,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:35,861 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:35,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:35,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:35,864 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:35,867 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:35,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:35,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:35,867 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:35,868 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:35,868 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:35,868 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:35,868 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:35,869 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:35,869 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:35,869 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:35,869 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:35,869 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:36,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:36,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:36,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:36,240 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:36,240 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:36,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2024-10-15 15:33:37,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:38,037 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:38,038 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound10.c [2024-10-15 15:33:38,044 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1483cf325/8a3d931a38b046dc9d94053cc0192113/FLAG630dc8b80 [2024-10-15 15:33:38,056 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1483cf325/8a3d931a38b046dc9d94053cc0192113 [2024-10-15 15:33:38,058 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:38,059 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:38,060 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound10.yml/witness-2.1.yml [2024-10-15 15:33:38,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:38,125 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:38,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:38,129 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:38,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:38,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:38" (1/2) ... [2024-10-15 15:33:38,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5542496f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:38, skipping insertion in model container [2024-10-15 15:33:38,138 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:38" (1/2) ... [2024-10-15 15:33:38,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71bcd3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:38, skipping insertion in model container [2024-10-15 15:33:38,139 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 03:33:38" (2/2) ... [2024-10-15 15:33:38,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5542496f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:38, skipping insertion in model container [2024-10-15 15:33:38,140 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 03:33:38" (2/2) ... [2024-10-15 15:33:38,149 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:38,152 INFO L1541 ArrayList]: Loop invariant at [L27-L36] ((((__int128) x * 2) == (y + ((__int128) y * y))) && (\old(counter) == 0)) [2024-10-15 15:33:38,153 INFO L1541 ArrayList]: Function contract at [L18]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:33:38,153 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:33:38,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:38,348 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/ps2-ll_unwindbound10.c[454,467] [2024-10-15 15:33:38,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:38,372 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:33:38,410 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/ps2-ll_unwindbound10.c[454,467] Start Parsing Global Start Parsing Global Start Parsing Local [2024-10-15 15:33:38,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:38,433 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:38,434 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:38 WrapperNode [2024-10-15 15:33:38,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:38,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:38,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:38,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:38,441 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,447 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,453 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:38,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:38,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:38,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:38,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:38,464 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,464 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,465 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,475 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:33:38,475 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,475 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,478 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,482 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,484 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,484 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:38,487 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:38,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:38,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:38,489 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 03:33:38" (1/1) ... [2024-10-15 15:33:38,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:38,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:38,522 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 15:33:38,527 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 15:33:38,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:38,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:38,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:38,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:38,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:38,643 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:38,647 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:38,716 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:38,787 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:38,799 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:38,839 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:38,840 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:38,841 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:38 BoogieIcfgContainer [2024-10-15 15:33:38,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:38,842 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:38,842 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:38,842 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:38,843 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:38" (1/4) ... [2024-10-15 15:33:38,844 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c64350f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:38, skipping insertion in model container [2024-10-15 15:33:38,844 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 03:33:38" (2/4) ... [2024-10-15 15:33:38,845 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c64350f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:38, skipping insertion in model container [2024-10-15 15:33:38,845 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 03:33:38" (3/4) ... [2024-10-15 15:33:38,845 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c64350f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:38, skipping insertion in model container [2024-10-15 15:33:38,845 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 03:33:38" (4/4) ... [2024-10-15 15:33:38,846 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound10.c [2024-10-15 15:33:38,851 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:38,853 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:33:38,853 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:38,853 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:33:38,853 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:33:38,854 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:38,854 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 15:33:38,854 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 15:33:38,854 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:33:38,855 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:33:38,910 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:38,911 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:38,913 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:38,913 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:38,914 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:38,917 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:38,965 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:33:38,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:38,970 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:38,970 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:38,971 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:38,978 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:39,000 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:39,020 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:39,021 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:39,021 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:39,021 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:39,021 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:39,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,031 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:39,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,031 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:39,032 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:39,032 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:39,032 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:39,034 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:39,050 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:33:39,050 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:39,050 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:39,051 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:39,051 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:39,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,054 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:33:39,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,055 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:39,055 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:39,055 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:39,055 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:39,061 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:39,075 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-10-15 15:33:39,076 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:39,076 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:39,076 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:39,076 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:39,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,094 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-10-15 15:33:39,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:39,095 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:39,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:39,095 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:39,102 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:39,116 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:39,117 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:39,117 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:39,117 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:39,117 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:39,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,118 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:39,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,125 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:39,125 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:39,125 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:39,126 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:39,128 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:39,143 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:39,143 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:39,143 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:39,143 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:39,144 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:39,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,146 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:39,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,147 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:39,147 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:39,147 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:39,148 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:39,150 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:39,156 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:39,156 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:39,156 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:39,157 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:39,157 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:39,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,158 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:39,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,159 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:39,159 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:39,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:39,159 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:39,165 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:39,178 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:39,178 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:39,179 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:39,179 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:39,179 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:39,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,199 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:33:39,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:39,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:39,200 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:39,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:39,202 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:39,206 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:39,209 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:39,213 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c64350f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:39, skipping insertion in model container [2024-10-15 15:33:39,213 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:39,215 INFO L158 Benchmark]: Toolchain (without parser) took 1088.82ms. Allocated memory is still 69.2MB. Free memory was 50.4MB in the beginning and 39.5MB in the end (delta: 10.9MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2024-10-15 15:33:39,215 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:39,215 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 163.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:39,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.25ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 35.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:39,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.39ms. Allocated memory is still 69.2MB. Free memory was 35.9MB in the beginning and 34.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:39,218 INFO L158 Benchmark]: Boogie Preprocessor took 32.02ms. Allocated memory is still 69.2MB. Free memory was 34.8MB in the beginning and 33.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:39,220 INFO L158 Benchmark]: RCFGBuilder took 353.66ms. Allocated memory is still 69.2MB. Free memory was 33.2MB in the beginning and 42.8MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:33:39,220 INFO L158 Benchmark]: Referee took 371.23ms. Allocated memory is still 69.2MB. Free memory was 42.8MB in the beginning and 39.5MB in the end (delta: 3.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-10-15 15:33:39,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 27 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 27. 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 loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. 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 exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 50.3MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 69.2MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 163.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.25ms. Allocated memory is still 69.2MB. Free memory was 50.2MB in the beginning and 35.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.39ms. Allocated memory is still 69.2MB. Free memory was 35.9MB in the beginning and 34.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.02ms. Allocated memory is still 69.2MB. Free memory was 34.8MB in the beginning and 33.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 353.66ms. Allocated memory is still 69.2MB. Free memory was 33.2MB in the beginning and 42.8MB in the end (delta: -9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 371.23ms. Allocated memory is still 69.2MB. Free memory was 42.8MB in the beginning and 39.5MB in the end (delta: 3.3MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:39,251 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...