This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:55,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:55,798 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:55,805 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:55,805 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:55,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:55,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:55,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:55,838 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:55,841 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:55,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:55,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:55,843 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:55,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:55,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:55,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:55,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:55,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:55,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:55,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:55,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:55,849 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:55,849 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:55,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:55,850 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:55,850 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:55,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:55,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:55,851 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:55,851 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:55,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:55,852 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:56,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:56,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:56,207 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:56,208 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:56,209 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:56,210 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c [2024-10-15 15:33:57,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:57,926 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:57,927 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound10.c [2024-10-15 15:33:57,934 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e9f13b34f/23b6880e85954437b31168dfed5109b8/FLAGf1e5a206b [2024-10-15 15:33:58,316 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e9f13b34f/23b6880e85954437b31168dfed5109b8 [2024-10-15 15:33:58,319 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:58,321 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:58,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound10.yml/witness-2.1.yml [2024-10-15 15:33:58,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:58,375 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:58,377 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:58,377 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:58,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:58,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:58" (1/2) ... [2024-10-15 15:33:58,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa940ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:58, skipping insertion in model container [2024-10-15 15:33:58,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:58" (1/2) ... [2024-10-15 15:33:58,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@86fa9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:58, skipping insertion in model container [2024-10-15 15:33:58,389 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 03:33:58" (2/2) ... [2024-10-15 15:33:58,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa940ea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:58, skipping insertion in model container [2024-10-15 15:33:58,389 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 03:33:58" (2/2) ... [2024-10-15 15:33:58,397 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:58,402 INFO L1541 ArrayList]: Loop invariant at [L30-L42] ((((((__int128) a * 2) + ((__int128) a * a)) + 1) == s) && (t == (((__int128) a * 2) + 1))) [2024-10-15 15:33:58,402 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:33:58,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:58,601 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/sqrt1-ll_valuebound10.c[520,533] [2024-10-15 15:33:58,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:58,631 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:33:58,669 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/sqrt1-ll_valuebound10.c[520,533] Start Parsing Local [2024-10-15 15:33:58,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:58,700 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:58,701 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:58 WrapperNode [2024-10-15 15:33:58,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:58,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:58,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:58,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:58,709 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,715 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,721 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:58,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:58,722 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:58,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:58,723 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:58,731 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,732 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,733 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,754 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 15:33:58,755 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,755 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,758 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,762 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,764 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,765 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,766 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:58,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:58,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:58,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:58,769 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 03:33:58" (1/1) ... [2024-10-15 15:33:58,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:58,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:58,798 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 15:33:58,805 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 15:33:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:58,847 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:58,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:58,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:58,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:58,849 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:58,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:58,908 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:58,912 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:59,085 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:59,117 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:59,151 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:59,151 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:59,152 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:59 BoogieIcfgContainer [2024-10-15 15:33:59,152 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:59,153 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:59,153 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:59,154 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:59,154 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:58" (1/4) ... [2024-10-15 15:33:59,156 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d9db6fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:59, skipping insertion in model container [2024-10-15 15:33:59,156 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 03:33:58" (2/4) ... [2024-10-15 15:33:59,156 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d9db6fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:59, skipping insertion in model container [2024-10-15 15:33:59,156 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 03:33:58" (3/4) ... [2024-10-15 15:33:59,157 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d9db6fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:59, skipping insertion in model container [2024-10-15 15:33:59,157 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 03:33:59" (4/4) ... [2024-10-15 15:33:59,158 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_valuebound10.c [2024-10-15 15:33:59,162 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:59,163 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:33:59,163 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 15:33:59,164 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:59,164 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:33:59,164 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:59,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-10-15 15:33:59,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-10-15 15:33:59,165 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 15:33:59,166 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 15:33:59,166 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:33:59,166 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:33:59,218 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:59,219 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:59,220 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:59,220 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:59,223 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:59,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,251 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:59,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,256 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:59,256 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:59,257 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:59,257 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:59,279 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:59,299 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:59,300 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:59,300 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:59,300 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:59,300 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:59,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,305 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:59,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:59,306 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:59,306 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:59,306 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:59,317 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:59,332 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:59,332 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:59,332 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:59,332 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:59,332 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:59,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,337 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:59,338 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,338 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:59,338 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:59,338 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:59,338 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:59,340 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:59,354 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:59,355 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:59,355 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:59,355 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:59,355 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:59,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,379 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-10-15 15:33:59,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:59,380 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:59,380 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:59,384 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:59,385 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:59,403 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:59,403 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:59,404 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:59,404 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:59,404 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:59,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,419 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:59,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,420 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:59,420 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:59,420 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:59,421 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:59,423 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:59,437 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-10-15 15:33:59,439 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:59,439 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:59,439 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:59,440 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:59,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,449 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-10-15 15:33:59,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,451 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:59,451 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:59,451 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:59,452 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:59,455 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:59,468 INFO L309 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-10-15 15:33:59,468 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:59,468 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:59,469 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:59,469 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:59,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,487 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-10-15 15:33:59,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,487 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:59,487 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:59,487 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:59,488 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:59,490 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:59,498 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:59,498 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:59,498 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:59,498 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:59,498 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:59,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,503 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:59,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,504 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:59,504 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:59,504 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:59,505 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:59,506 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:59,514 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:59,515 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:59,515 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:59,515 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:59,515 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:59,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,516 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:59,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,517 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:59,517 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:59,517 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:59,517 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:59,519 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:59,527 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:59,528 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:59,528 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:59,528 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:59,528 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:59,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,534 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:59,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:59,535 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:59,535 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:59,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:59,535 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:59,538 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:59,542 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:59,542 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1d9db6fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:59, skipping insertion in model container [2024-10-15 15:33:59,543 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:59,545 INFO L158 Benchmark]: Toolchain (without parser) took 1169.60ms. Allocated memory is still 71.3MB. Free memory was 36.1MB in the beginning and 30.0MB in the end (delta: 6.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:59,546 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:59,546 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 71.3MB. Free memory is still 37.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:59,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.29ms. Allocated memory is still 71.3MB. Free memory was 35.7MB in the beginning and 39.4MB in the end (delta: -3.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:59,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.34ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 38.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:59,549 INFO L158 Benchmark]: Boogie Preprocessor took 44.97ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 36.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:59,550 INFO L158 Benchmark]: RCFGBuilder took 384.45ms. Allocated memory is still 71.3MB. Free memory was 36.5MB in the beginning and 46.9MB in the end (delta: -10.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:33:59,551 INFO L158 Benchmark]: Referee took 390.62ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 30.0MB in the end (delta: 16.9MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2024-10-15 15:33:59,554 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 30 to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 71.3MB. Free memory is still 37.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.29ms. Allocated memory is still 71.3MB. Free memory was 35.7MB in the beginning and 39.4MB in the end (delta: -3.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.34ms. Allocated memory is still 71.3MB. Free memory was 39.4MB in the beginning and 38.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.97ms. Allocated memory is still 71.3MB. Free memory was 38.2MB in the beginning and 36.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.45ms. Allocated memory is still 71.3MB. Free memory was 36.5MB in the beginning and 46.9MB in the end (delta: -10.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 390.62ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 30.0MB in the end (delta: 16.9MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:59,588 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...