This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:31,414 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:31,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:31,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:31,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:31,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:31,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:31,528 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:31,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:31,529 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:31,531 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:31,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:31,531 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:31,532 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:31,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:31,532 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:31,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:31,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:31,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:31,534 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:31,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:31,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:31,538 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:31,538 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:31,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:31,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:31,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:31,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:31,539 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:31,539 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:31,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:31,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:31,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:31,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:31,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:31,888 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:31,889 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:31,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2024-10-15 15:33:33,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:33,616 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:33,617 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound5.c [2024-10-15 15:33:33,629 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f852e3a08/e486362a52374ec593f48cf48e728aab/FLAG3559247d9 [2024-10-15 15:33:33,990 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f852e3a08/e486362a52374ec593f48cf48e728aab [2024-10-15 15:33:33,993 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:33,994 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:33,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound5.yml/witness-2.1.yml [2024-10-15 15:33:34,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:34,056 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:34,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:34,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:34,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:34,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:33" (1/2) ... [2024-10-15 15:33:34,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46556183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:34, skipping insertion in model container [2024-10-15 15:33:34,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:33" (1/2) ... [2024-10-15 15:33:34,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1aedeb9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:34, skipping insertion in model container [2024-10-15 15:33:34,078 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 03:33:34" (2/2) ... [2024-10-15 15:33:34,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46556183 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:34, skipping insertion in model container [2024-10-15 15:33:34,079 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 03:33:34" (2/2) ... [2024-10-15 15:33:34,087 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:34,088 INFO L1541 ArrayList]: Loop invariant at [L34-L55] (((q + (((__int128) b * a) * p)) == ((long long) y * x)) && (1 <= y)) [2024-10-15 15:33:34,088 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:33:34,090 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:34,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:34,289 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/prod4br-ll_valuebound5.c[524,537] [2024-10-15 15:33:34,315 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:34,325 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:34,362 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/prod4br-ll_valuebound5.c[524,537] Start Parsing Local [2024-10-15 15:33:34,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:34,395 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:34,395 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:34 WrapperNode [2024-10-15 15:33:34,396 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:34,397 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:34,397 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:34,397 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:34,404 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,414 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,420 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:34,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:34,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:34,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:34,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:34,432 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,432 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,433 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,447 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:33:34,448 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,452 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,458 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,465 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,466 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,468 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:34,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:34,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:34,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:34,473 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 03:33:34" (1/1) ... [2024-10-15 15:33:34,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:34,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:34,502 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 15:33:34,505 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 15:33:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:34,552 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:34,552 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:34,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:34,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:34,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:34,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:34,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:34,633 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:34,637 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:34,850 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:34,872 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:34,894 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:34,895 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:34,897 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:34 BoogieIcfgContainer [2024-10-15 15:33:34,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:34,898 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:34,899 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:34,900 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:34,900 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:33" (1/4) ... [2024-10-15 15:33:34,901 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bb0631e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:34, skipping insertion in model container [2024-10-15 15:33:34,901 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 03:33:34" (2/4) ... [2024-10-15 15:33:34,902 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bb0631e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:34, skipping insertion in model container [2024-10-15 15:33:34,902 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 03:33:34" (3/4) ... [2024-10-15 15:33:34,902 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bb0631e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:34, skipping insertion in model container [2024-10-15 15:33:34,903 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 03:33:34" (4/4) ... [2024-10-15 15:33:34,904 INFO L79 RefereeObserver]: Analyzing ICFG prod4br-ll_valuebound5.c [2024-10-15 15:33:34,907 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:34,909 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:34,909 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:34,910 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:34,910 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:33:34,910 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-10-15 15:33:34,910 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 15:33:34,911 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 15:33:34,911 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:33:34,911 INFO L131 InvariantChecker]: Will check 3 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 15:33:34,961 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:34,962 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:34,962 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:34,963 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:34,963 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:34,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:34,973 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:34,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:34,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:34,975 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:34,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:34,979 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:34,999 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:35,043 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:35,043 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:35,044 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:35,044 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:35,044 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:35,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,057 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:35,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,058 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:35,058 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:35,058 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:35,061 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:35,078 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:35,095 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:35,095 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:35,095 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:35,096 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:35,096 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:35,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,099 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:35,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,099 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:35,099 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:35,099 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:35,099 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:35,101 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:35,120 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:35,120 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:35,121 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:35,121 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:35,121 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:35,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,133 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:35,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:35,134 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:35,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:35,134 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:35,140 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:35,159 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 11 edges [2024-10-15 15:33:35,160 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:35,160 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:35,160 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:35,160 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:35,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,198 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-10-15 15:33:35,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,199 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:35,199 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:35,199 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:35,208 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:35,230 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:35,251 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:35,251 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:35,251 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:35,252 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:35,252 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:35,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,258 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:35,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,258 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:35,258 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:35,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:35,260 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:35,266 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:35,280 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:35,281 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:35,281 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:35,281 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:35,281 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:35,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,283 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:35,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:35,284 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:35,284 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:35,284 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:35,286 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:35,298 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:35,301 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:35,301 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:35,302 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:35,302 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:35,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,311 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-10-15 15:33:35,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:35,313 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:35,313 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:35,315 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:35,318 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:35,321 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:35,323 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bb0631e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:35, skipping insertion in model container [2024-10-15 15:33:35,323 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:35,326 INFO L158 Benchmark]: Toolchain (without parser) took 1268.19ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 33.8MB in the beginning and 55.4MB in the end (delta: -21.6MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:35,327 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:35,327 INFO L158 Benchmark]: Witness Parser took 0.75ms. Allocated memory is still 71.3MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:35,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.39ms. Allocated memory is still 71.3MB. Free memory was 33.7MB in the beginning and 37.1MB in the end (delta: -3.4MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-10-15 15:33:35,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.96ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 35.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:35,330 INFO L158 Benchmark]: Boogie Preprocessor took 49.26ms. Allocated memory is still 71.3MB. Free memory was 35.8MB in the beginning and 34.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:35,331 INFO L158 Benchmark]: RCFGBuilder took 425.60ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 39.6MB in the end (delta: -5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:35,332 INFO L158 Benchmark]: Referee took 425.25ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 39.6MB in the beginning and 55.4MB in the end (delta: -15.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2024-10-15 15:33:35,336 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 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 57. 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 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.75ms. Allocated memory is still 71.3MB. Free memory is still 35.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.39ms. Allocated memory is still 71.3MB. Free memory was 33.7MB in the beginning and 37.1MB in the end (delta: -3.4MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.96ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 35.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.26ms. Allocated memory is still 71.3MB. Free memory was 35.8MB in the beginning and 34.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.60ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 39.6MB in the end (delta: -5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 425.25ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 39.6MB in the beginning and 55.4MB in the end (delta: -15.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:35,367 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...