This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:36,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:36,087 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:36,093 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:36,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:36,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:36,137 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:36,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:36,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:36,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:36,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:36,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:36,140 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:36,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:36,143 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:36,143 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:36,143 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:36,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:36,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:36,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:36,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:36,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:36,145 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:36,145 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:36,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:36,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:36,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:36,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:36,147 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:36,147 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:36,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:36,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:36,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:36,471 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:36,474 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:36,475 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:36,475 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:36,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_4.c [2024-10-15 15:31:38,064 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:38,264 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:38,265 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_4.c [2024-10-15 15:31:38,278 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f01b59fdf/05d8748762024959a755ed7622e5c2d1/FLAG62d0d8538 [2024-10-15 15:31:38,642 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f01b59fdf/05d8748762024959a755ed7622e5c2d1 [2024-10-15 15:31:38,644 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:38,645 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:38,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_4.yml/witness-2.1.yml [2024-10-15 15:31:38,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:38,706 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:38,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:38,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:38,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:38,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:38" (1/2) ... [2024-10-15 15:31:38,716 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fd53d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:38, skipping insertion in model container [2024-10-15 15:31:38,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:38" (1/2) ... [2024-10-15 15:31:38,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@21824dc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:38, skipping insertion in model container [2024-10-15 15:31:38,718 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 03:31:38" (2/2) ... [2024-10-15 15:31:38,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33fd53d6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:38, skipping insertion in model container [2024-10-15 15:31:38,719 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 03:31:38" (2/2) ... [2024-10-15 15:31:38,726 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:38,730 INFO L1541 ArrayList]: Loop invariant at [L24-L28] (((((((((b <= 5) && (a <= 5)) && (c == 1)) || (((b <= 5) && (5 == c)) && (a <= 5))) || (((b <= 5) && (a <= 5)) && (c == 3))) || ((((c == 6) && (b <= 5)) && (d == 6)) && (a <= 5))) || (((b <= 5) && (c == 0)) && (a <= 5))) || (((b <= 5) && (c == 2)) && (a <= 5))) || (((b <= 5) && (c == 4)) && (a <= 5))) [2024-10-15 15:31:38,730 INFO L1541 ArrayList]: Loop invariant at [L25-L27] (((((((((((((((b <= 5) && (5 == c)) && (d == 1)) && (a <= 5)) || ((((b <= 5) && (d == 3)) && (5 == c)) && (a <= 5))) || (((b <= 5) && (a <= 5)) && (c == 1))) || ((((d == 4) && (b <= 5)) && (5 == c)) && (a <= 5))) || ((((d == 0) && (b <= 5)) && (5 == c)) && (a <= 5))) || (((b <= 5) && (a <= 5)) && (c == 3))) || ((((b <= 5) && (5 == c)) && (d == 2)) && (a <= 5))) || (((b <= 5) && (c == 0)) && (a <= 5))) || ((((b <= 5) && (5 == c)) && (d == 6)) && (a <= 5))) || (((b <= 5) && (c == 2)) && (a <= 5))) || (((b <= 5) && (c == 4)) && (a <= 5))) || ((((b <= 5) && (5 == c)) && (5 == d)) && (a <= 5))) [2024-10-15 15:31:38,730 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((((c == 6) && (b <= 6)) && (d == 6)) && (a <= 5)) [2024-10-15 15:31:38,730 INFO L1541 ArrayList]: Loop invariant at [L22-L30] ((((b == 6) && (c == 6)) && (a <= 6)) && (d == 6)) [2024-10-15 15:31:38,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:38,934 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/loop-simple/nested_4.c[841,854] [2024-10-15 15:31:38,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:38,948 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:31:39,024 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/loop-simple/nested_4.c[841,854] [2024-10-15 15:31:39,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:39,044 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:39,045 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:39 WrapperNode [2024-10-15 15:31:39,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:39,047 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:39,047 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:39,047 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:39,053 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,064 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,074 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:39,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:39,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:39,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:39,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:39,086 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,086 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,088 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,107 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-15 15:31:39,108 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,108 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,111 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,119 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,122 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,126 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:39,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:39,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:39,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:39,130 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 03:31:39" (1/1) ... [2024-10-15 15:31:39,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:39,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:39,166 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 15:31:39,170 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 15:31:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 15:31:39,280 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:39,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:39,475 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:39,512 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:39,512 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-15 15:31:39,513 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:39 BoogieIcfgContainer [2024-10-15 15:31:39,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:39,514 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:39,514 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:39,519 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:39,520 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:38" (1/4) ... [2024-10-15 15:31:39,520 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@416be8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:39, skipping insertion in model container [2024-10-15 15:31:39,521 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 03:31:38" (2/4) ... [2024-10-15 15:31:39,521 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@416be8e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:39, skipping insertion in model container [2024-10-15 15:31:39,521 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 03:31:39" (3/4) ... [2024-10-15 15:31:39,521 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@416be8e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:39, skipping insertion in model container [2024-10-15 15:31:39,521 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 03:31:39" (4/4) ... [2024-10-15 15:31:39,522 INFO L79 RefereeObserver]: Analyzing ICFG nested_4.c [2024-10-15 15:31:39,528 INFO L113 InvariantChecker]: Found 4 loops. [2024-10-15 15:31:39,529 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:31:39,530 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:31:39,530 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:39,530 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:31:39,530 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:39,531 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:31:39,531 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:39,533 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:39,533 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:39,534 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from loop head to loop head [2024-10-15 15:31:39,593 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:31:39,595 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:39,595 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:39,596 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:39,598 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:39,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,615 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:31:39,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,621 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:39,621 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:39,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:39,623 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:39,654 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:39,679 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:39,680 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:39,680 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:39,680 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:39,681 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:39,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,686 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:39,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:39,690 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:39,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:39,696 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:39,704 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:39,720 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:39,722 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:39,723 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:39,723 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:39,723 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:39,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,727 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:39,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,729 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:39,729 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:39,729 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:39,729 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:39,735 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:39,746 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:39,748 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:39,748 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:39,748 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:39,748 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:39,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,759 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:39,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,759 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:39,760 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:39,761 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:39,763 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:39,770 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:39,783 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:39,785 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:39,785 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:39,785 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:39,785 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:39,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,790 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:39,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:39,791 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:39,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:39,792 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:39,797 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:39,812 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:39,812 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:39,813 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:39,813 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:39,813 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:39,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,823 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:39,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:39,824 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:39,824 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:39,827 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:39,834 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:39,845 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:39,846 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:39,847 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:39,847 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:39,847 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:39,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,851 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:39,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:39,852 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:39,852 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:39,853 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:39,859 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-4 to error location mainErr4ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:39,867 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:39,867 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:39,868 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:39,868 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:39,868 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:39,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,873 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:39,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,874 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:39,874 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:39,875 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:39,875 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:39,880 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:39,890 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:39,891 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:39,891 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:39,891 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:39,891 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:39,892 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,898 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:39,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:39,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:39,900 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:39,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:39,901 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:39,905 INFO L520 InvariantChecker]: The annotation(s) from loop head L25-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:39,916 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:39,916 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@416be8e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:39, skipping insertion in model container [2024-10-15 15:31:39,917 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:39,919 INFO L158 Benchmark]: Toolchain (without parser) took 1212.20ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 44.8MB in the beginning and 63.7MB in the end (delta: -19.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:39,920 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 46.1MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:39,921 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:39,922 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.33ms. Allocated memory is still 71.3MB. Free memory was 44.6MB in the beginning and 49.7MB in the end (delta: -5.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-10-15 15:31:39,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.50ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 48.7MB in the end (delta: 957.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:39,923 INFO L158 Benchmark]: Boogie Preprocessor took 52.51ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 46.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:39,924 INFO L158 Benchmark]: RCFGBuilder took 384.25ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 33.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:39,925 INFO L158 Benchmark]: Referee took 403.44ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 33.7MB in the beginning and 63.7MB in the end (delta: -30.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-10-15 15:31:39,929 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 23 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 24. Annotation is valid for all loop-free paths from loop head at line 25 to loop head at line 25. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 25. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 25 to loop head at line 24. Annotation is valid for all loop-free paths from loop head at line 22 to check that a call to reach_error is unreachable at line 32. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 22. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 46.1MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.33ms. Allocated memory is still 71.3MB. Free memory was 44.6MB in the beginning and 49.7MB in the end (delta: -5.1MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.50ms. Allocated memory is still 71.3MB. Free memory was 49.7MB in the beginning and 48.7MB in the end (delta: 957.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.51ms. Allocated memory is still 71.3MB. Free memory was 48.7MB in the beginning and 46.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 384.25ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 33.7MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 403.44ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 33.7MB in the beginning and 63.7MB in the end (delta: -30.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:39,953 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...