This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:28,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:28,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:28,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:28,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:28,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:28,296 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:28,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:28,297 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:28,298 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:28,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:28,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:28,300 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:28,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:28,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:28,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:28,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:28,301 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:28,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:28,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:28,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:28,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:28,303 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:28,304 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:28,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:28,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:28,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:28,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:28,304 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:28,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:28,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:28,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:28,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:28,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:28,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:28,559 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:28,559 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:28,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2024-10-15 15:33:29,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:30,012 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:30,012 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound100.c [2024-10-15 15:33:30,023 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/41e7a1e84/febe48ed39644eb0bf8bca47f8a26c6a/FLAG253d9d3fe [2024-10-15 15:33:30,038 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/41e7a1e84/febe48ed39644eb0bf8bca47f8a26c6a [2024-10-15 15:33:30,041 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:30,042 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:30,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll_valuebound100.yml/witness-2.1.yml [2024-10-15 15:33:30,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:30,085 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:30,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:30,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:30,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:30,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:30" (1/2) ... [2024-10-15 15:33:30,093 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffe1822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:30, skipping insertion in model container [2024-10-15 15:33:30,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:30" (1/2) ... [2024-10-15 15:33:30,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11d7f299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:30, skipping insertion in model container [2024-10-15 15:33:30,095 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 03:33:30" (2/2) ... [2024-10-15 15:33:30,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ffe1822 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:30, skipping insertion in model container [2024-10-15 15:33:30,095 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 03:33:30" (2/2) ... [2024-10-15 15:33:30,100 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:30,101 INFO L1541 ArrayList]: Loop invariant at [L34-L55] (((q + (((__int128) b * a) * p)) == ((long long) y * x)) && (1 <= y)) [2024-10-15 15:33:30,101 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:33:30,101 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:30,117 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:30,252 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_valuebound100.c[524,537] [2024-10-15 15:33:30,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:30,280 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:30,313 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_valuebound100.c[524,537] Start Parsing Local [2024-10-15 15:33:30,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:30,352 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:30,354 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:30 WrapperNode [2024-10-15 15:33:30,355 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:30,356 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:30,356 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:30,356 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:30,361 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,366 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,372 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:30,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:30,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:30,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:30,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:30,382 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,383 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,388 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,394 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 15:33:30,398 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,398 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,402 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,407 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,408 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,409 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:30,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:30,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:30,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:30,413 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 03:33:30" (1/1) ... [2024-10-15 15:33:30,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:30,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:30,438 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 15:33:30,440 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 15:33:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:30,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:30,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:30,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:30,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:30,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:30,534 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:30,537 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:30,665 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:30,675 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:30,701 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:30,703 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:30,703 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:30 BoogieIcfgContainer [2024-10-15 15:33:30,704 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:30,704 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:30,704 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:30,705 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:30,705 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:30" (1/4) ... [2024-10-15 15:33:30,705 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55014d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:30, skipping insertion in model container [2024-10-15 15:33:30,705 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 03:33:30" (2/4) ... [2024-10-15 15:33:30,706 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55014d8e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:30, skipping insertion in model container [2024-10-15 15:33:30,706 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 03:33:30" (3/4) ... [2024-10-15 15:33:30,707 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55014d8e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:30, skipping insertion in model container [2024-10-15 15:33:30,707 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 03:33:30" (4/4) ... [2024-10-15 15:33:30,708 INFO L79 RefereeObserver]: Analyzing ICFG prod4br-ll_valuebound100.c [2024-10-15 15:33:30,711 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:30,711 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 15:33:30,712 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 15:33:30,712 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 15:33:30,712 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 15:33:30,712 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 15:33:30,712 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 15:33:30,712 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 15:33:30,713 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 15:33:30,713 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:33:30,747 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:30,748 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,748 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,749 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,750 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,757 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:30,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,758 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,758 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,758 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,765 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,777 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:30,793 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:30,793 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,793 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,794 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,794 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,805 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:30,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,805 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,807 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,816 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:30,829 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:30,829 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,829 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,830 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,830 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,832 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:30,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,833 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,833 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,835 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:30,849 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:30,849 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,849 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,850 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,850 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,863 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:30,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,864 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,864 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,866 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:30,877 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 11 edges [2024-10-15 15:33:30,877 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,877 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,877 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,877 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,900 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-10-15 15:33:30,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,901 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,901 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,909 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,928 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:30,940 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:30,941 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,941 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,942 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,942 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,944 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:30,945 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,945 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,945 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,945 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,946 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,949 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:30,959 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:30,961 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,961 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,961 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,961 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,963 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:30,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,963 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,964 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,964 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,964 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,965 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:30,972 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:30,972 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,972 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,972 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,972 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,977 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-10-15 15:33:30,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,977 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,978 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,978 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,979 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,980 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:30,983 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:30,983 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@55014d8e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:30, skipping insertion in model container [2024-10-15 15:33:30,984 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:30,985 INFO L158 Benchmark]: Toolchain (without parser) took 898.77ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 46.4MB in the end (delta: 18.6MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,985 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 48.8MB in the beginning and 48.8MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:30,985 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:30,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.30ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 73.2MB in the end (delta: -8.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.15ms. Allocated memory is still 94.4MB. Free memory was 73.2MB in the beginning and 72.3MB in the end (delta: 874.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:30,986 INFO L158 Benchmark]: Boogie Preprocessor took 36.98ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 70.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,987 INFO L158 Benchmark]: RCFGBuilder took 292.21ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 56.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,987 INFO L158 Benchmark]: Referee took 279.47ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 46.4MB in the end (delta: 10.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:30,989 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 check that procedure precondition always holds at line 35. 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 main to loop head at line 34. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 48.8MB in the beginning and 48.8MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 94.4MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.30ms. Allocated memory is still 94.4MB. Free memory was 64.8MB in the beginning and 73.2MB in the end (delta: -8.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.15ms. Allocated memory is still 94.4MB. Free memory was 73.2MB in the beginning and 72.3MB in the end (delta: 874.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.98ms. Allocated memory is still 94.4MB. Free memory was 72.3MB in the beginning and 70.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.21ms. Allocated memory is still 94.4MB. Free memory was 70.4MB in the beginning and 56.5MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 279.47ms. Allocated memory is still 94.4MB. Free memory was 56.5MB in the beginning and 46.4MB in the end (delta: 10.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:31,016 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...