This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:42,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:43,009 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:43,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:43,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:43,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:43,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:43,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:43,051 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:43,053 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:43,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:43,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:43,054 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:43,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:43,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:43,056 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:43,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:43,056 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:43,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:43,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:43,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:43,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:43,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:43,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:43,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:43,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:43,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:43,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:43,065 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:43,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:43,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:43,066 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:43,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:43,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:43,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:43,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:43,445 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:43,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-10-15 15:33:45,010 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:45,219 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:45,219 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_unwindbound20.c [2024-10-15 15:33:45,226 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8ed02ad14/17195657aa4c4b409a6ee84f4f150b8b/FLAG5a40d187b [2024-10-15 15:33:45,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8ed02ad14/17195657aa4c4b409a6ee84f4f150b8b [2024-10-15 15:33:45,591 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:45,591 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:45,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll_unwindbound20.yml/witness-2.1.yml [2024-10-15 15:33:45,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:45,652 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:45,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:45,656 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:45,662 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:45,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:45" (1/2) ... [2024-10-15 15:33:45,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6585877f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:45, skipping insertion in model container [2024-10-15 15:33:45,664 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:45" (1/2) ... [2024-10-15 15:33:45,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@23a26a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:45, skipping insertion in model container [2024-10-15 15:33:45,667 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 03:33:45" (2/2) ... [2024-10-15 15:33:45,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6585877f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:45, skipping insertion in model container [2024-10-15 15:33:45,667 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 03:33:45" (2/2) ... [2024-10-15 15:33:45,685 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:45,686 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((((3 * ((__int128) y * y)) + y) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 6)) && (\old(counter) == 0)) [2024-10-15 15:33:45,686 INFO L1541 ArrayList]: Function contract at [L18]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:33:45,686 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:33:45,708 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:45,895 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/ps3-ll_unwindbound20.c[458,471] [2024-10-15 15:33:45,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:45,921 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:33:45,958 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/ps3-ll_unwindbound20.c[458,471] Start Parsing Global Start Parsing Global Start Parsing Local [2024-10-15 15:33:45,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:45,990 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:45,991 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:45 WrapperNode [2024-10-15 15:33:45,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:45,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:45,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:45,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:46,000 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,006 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,012 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:46,013 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:46,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:46,014 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:46,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:46,024 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,024 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,025 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,032 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:33:46,032 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,033 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,040 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,042 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,047 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,047 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:46,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:46,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:46,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:46,052 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 03:33:45" (1/1) ... [2024-10-15 15:33:46,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:46,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:46,081 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 15:33:46,083 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 15:33:46,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:46,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:46,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:46,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:46,196 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:46,200 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:46,260 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:46,332 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:46,346 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:46,384 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:46,384 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:46,384 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:46 BoogieIcfgContainer [2024-10-15 15:33:46,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:46,389 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:46,389 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:46,393 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:46,393 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:45" (1/4) ... [2024-10-15 15:33:46,395 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b506dc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:46, skipping insertion in model container [2024-10-15 15:33:46,395 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 03:33:45" (2/4) ... [2024-10-15 15:33:46,395 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b506dc3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:46, skipping insertion in model container [2024-10-15 15:33:46,395 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 03:33:45" (3/4) ... [2024-10-15 15:33:46,396 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b506dc3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:46, skipping insertion in model container [2024-10-15 15:33:46,396 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 03:33:46" (4/4) ... [2024-10-15 15:33:46,397 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll_unwindbound20.c [2024-10-15 15:33:46,401 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:46,402 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:33:46,403 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:46,403 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:33:46,403 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:33:46,404 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:46,404 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 15:33:46,404 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 15:33:46,404 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:33:46,405 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 15:33:46,476 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:33:46,477 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:46,477 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:46,477 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:46,479 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:46,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,534 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:33:46,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:46,538 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:46,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:46,548 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:46,569 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:46,591 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:46,591 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:46,592 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:46,592 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:46,592 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:46,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,605 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:46,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,605 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:46,605 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:46,605 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:46,605 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:46,610 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:46,624 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:33:46,627 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:46,627 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:46,628 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:46,628 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:46,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,630 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:33:46,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,632 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:46,632 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:46,632 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:46,632 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:46,640 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:46,656 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-10-15 15:33:46,656 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:46,656 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:46,656 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:46,656 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:46,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,671 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-10-15 15:33:46,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,672 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:46,672 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:46,672 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:46,673 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:46,684 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:46,692 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:46,695 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:46,695 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:46,695 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:46,696 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:46,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,697 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:46,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,697 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:46,697 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:46,697 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:46,697 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:46,700 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:46,709 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:46,710 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:46,710 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:46,710 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:46,710 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:46,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,713 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:46,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,714 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:46,715 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:46,715 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:46,716 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:46,719 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:46,730 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:46,730 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:46,731 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:46,731 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:46,731 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:46,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,732 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:46,732 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,732 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:46,733 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:46,733 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:46,733 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:46,734 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:46,753 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:33:46,754 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:46,754 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:46,755 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:46,755 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:46,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,768 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:33:46,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:46,769 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:46,769 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:46,770 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:46,770 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:46,773 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:46,777 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:46,778 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b506dc3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:46, skipping insertion in model container [2024-10-15 15:33:46,778 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:46,780 INFO L158 Benchmark]: Toolchain (without parser) took 1127.55ms. Allocated memory is still 81.8MB. Free memory was 42.9MB in the beginning and 54.6MB in the end (delta: -11.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:46,781 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 30.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:46,781 INFO L158 Benchmark]: Witness Parser took 0.34ms. Allocated memory is still 81.8MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:46,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.59ms. Allocated memory is still 81.8MB. Free memory was 42.7MB in the beginning and 48.3MB in the end (delta: -5.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:46,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.44ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 47.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:46,783 INFO L158 Benchmark]: Boogie Preprocessor took 35.10ms. Allocated memory is still 81.8MB. Free memory was 47.2MB in the beginning and 45.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:46,785 INFO L158 Benchmark]: RCFGBuilder took 335.23ms. Allocated memory is still 81.8MB. Free memory was 45.6MB in the beginning and 58.7MB in the end (delta: -13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:46,786 INFO L158 Benchmark]: Referee took 389.91ms. Allocated memory is still 81.8MB. Free memory was 58.6MB in the beginning and 54.6MB in the end (delta: 4.0MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:46,790 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 27 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 30.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.34ms. Allocated memory is still 81.8MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.59ms. Allocated memory is still 81.8MB. Free memory was 42.7MB in the beginning and 48.3MB in the end (delta: -5.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.44ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 47.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.10ms. Allocated memory is still 81.8MB. Free memory was 47.2MB in the beginning and 45.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.23ms. Allocated memory is still 81.8MB. Free memory was 45.6MB in the beginning and 58.7MB in the end (delta: -13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 389.91ms. Allocated memory is still 81.8MB. Free memory was 58.6MB in the beginning and 54.6MB in the end (delta: 4.0MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:46,815 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...