This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:33,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:33,099 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:33,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:33,104 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:33,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:33,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:33,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:33,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:33,137 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:33,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:33,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:33,139 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:33,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:33,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:33,140 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:33,141 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:33,141 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:33,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:33,142 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:33,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:33,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:33,143 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:33,144 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:33,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:33,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:33,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:33,145 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:33,145 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:33,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:33,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:33,146 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:33,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:33,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:33,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:33,528 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:33,529 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:33,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c [2024-10-15 15:33:35,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:35,384 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:35,385 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c [2024-10-15 15:33:35,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/087ccec6b/449eea43691b4f6a80f66e491dd7d08f/FLAGcf21d6410 [2024-10-15 15:33:35,752 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/087ccec6b/449eea43691b4f6a80f66e491dd7d08f [2024-10-15 15:33:35,754 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:35,755 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:35,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound10.yml/witness-2.1.yml [2024-10-15 15:33:35,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:35,809 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:35,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:35,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:35,815 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:35,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:35" (1/2) ... [2024-10-15 15:33:35,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3b1a3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35, skipping insertion in model container [2024-10-15 15:33:35,818 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:35" (1/2) ... [2024-10-15 15:33:35,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4efb6adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35, skipping insertion in model container [2024-10-15 15:33:35,820 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 03:33:35" (2/2) ... [2024-10-15 15:33:35,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3b1a3a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:35, skipping insertion in model container [2024-10-15 15:33:35,820 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 03:33:35" (2/2) ... [2024-10-15 15:33:35,830 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:35,830 INFO L1541 ArrayList]: Loop invariant at [L34-L45] ((((((((((((((z == 0) && (y == ((b >= 0) ? (b / 2) : ((b / 2) - 1)))) && (((long long) a * 2) == x)) && (0 <= a)) && (((b >= 0) ? (b % 2) : ((b % 2) + 2)) != 1)) && (1 <= y)) && (a <= 10)) && (y <= 5)) || ((((((((1 <= ((b >= 0) ? (b % 2) : ((b % 2) + 2))) && ((z + ((__int128) y * x)) == ((long long) b * a))) && (((long long) a * 2) == x)) && (0 <= a)) && (1 <= b)) && (b <= 10)) && (a <= 10)) && (((((long long) -1 + b) >= 0) ? (((long long) -1 + b) / 2) : ((((long long) -1 + b) / 2) - 1)) == y))) || ((((((((z == 0) && (((__int128) y * x) == ((long long) b * a))) && (y <= 2)) && (0 <= a)) && (1 <= b)) && (1 <= y)) && (b <= 10)) && (a <= 10))) || (((((((z == 0) && (b == y)) && (0 <= a)) && (1 <= y)) && (b <= 10)) && (a == x)) && (a <= 10))) || (((((((0 <= y) && ((z + ((__int128) y * x)) == ((long long) b * a))) && (0 <= a)) && (1 <= b)) && (b <= 10)) && (a <= 10)) && (y <= 1))) || ((((((((0 <= y) && ((z + ((__int128) y * x)) == ((long long) b * a))) && (y <= 2)) && (0 <= a)) && (x == ((__int128) z * 2))) && (1 <= b)) && (b <= 10)) && (a <= 10))) || (((((((((a == z) && (1 <= ((b >= 0) ? (b % 2) : ((b % 2) + 2)))) && (((long long) a * 4) == x)) && (0 <= a)) && (0 <= b)) && (((((((long long) -1 + b) >= 0) ? (((long long) -1 + b) / 2) : ((((long long) -1 + b) / 2) - 1)) >= 0) ? (((((long long) -1 + b) >= 0) ? (((long long) -1 + b) / 2) : ((((long long) -1 + b) / 2) - 1)) % 2) : ((((((long long) -1 + b) >= 0) ? (((long long) -1 + b) / 2) : ((((long long) -1 + b) / 2) - 1)) % 2) + 2)) != 1)) && (((((long long) -1 + b) >= 0) ? (((long long) -1 + b) / 4) : ((((long long) -1 + b) / 4) - 1)) == y)) && (b <= 10)) && (a <= 10))) [2024-10-15 15:33:35,831 INFO L1541 ArrayList]: Function contract at [L12]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:35,831 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (cond != 0) [2024-10-15 15:33:35,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:36,036 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/prodbin-ll_valuebound10.c[537,550] [2024-10-15 15:33:36,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:36,064 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:36,105 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/prodbin-ll_valuebound10.c[537,550] Start Parsing Local [2024-10-15 15:33:36,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:36,176 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:36,177 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:36 WrapperNode [2024-10-15 15:33:36,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:36,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:36,179 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:36,179 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:36,186 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,196 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,210 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:36,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:36,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:36,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:36,211 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:36,222 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,223 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,224 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,232 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 15:33:36,232 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,233 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,240 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,247 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,248 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,249 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:36,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:36,252 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:36,252 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:36,253 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 03:33:36" (1/1) ... [2024-10-15 15:33:36,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:36,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:36,280 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 15:33:36,284 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 15:33:36,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:36,329 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:36,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:36,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:36,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:36,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:36,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:36,400 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:36,403 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:36,655 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:36,666 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:36,683 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:36,684 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:36,684 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:36 BoogieIcfgContainer [2024-10-15 15:33:36,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:36,685 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:36,685 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:36,686 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:36,686 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:35" (1/4) ... [2024-10-15 15:33:36,687 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4aa1f5d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:36, skipping insertion in model container [2024-10-15 15:33:36,687 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 03:33:35" (2/4) ... [2024-10-15 15:33:36,687 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4aa1f5d6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:36, skipping insertion in model container [2024-10-15 15:33:36,687 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 03:33:36" (3/4) ... [2024-10-15 15:33:36,688 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4aa1f5d6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:36, skipping insertion in model container [2024-10-15 15:33:36,688 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 03:33:36" (4/4) ... [2024-10-15 15:33:36,689 INFO L79 RefereeObserver]: Analyzing ICFG prodbin-ll_valuebound10.c [2024-10-15 15:33:36,695 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:36,696 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 15:33:36,696 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:36,696 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:33:36,696 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 15:33:36,697 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:36,697 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 15:33:36,697 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 15:33:36,698 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:33:36,750 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:36,750 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:36,751 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:36,753 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:36,754 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:36,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,766 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:36,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,767 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:36,768 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:36,768 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:36,771 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:36,794 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:36,832 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:36,833 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:36,834 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:36,834 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:36,834 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:36,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,885 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:36,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,885 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:36,885 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:36,885 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:36,895 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:36,907 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:36,930 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:33:36,930 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:36,930 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:36,930 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:36,930 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:36,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,999 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-10-15 15:33:36,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,999 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:37,000 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:37,000 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:37,013 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:37,072 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:37,084 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:37,085 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:37,085 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:37,085 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:37,085 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:37,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:37,103 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:37,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:37,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:37,104 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:37,104 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:37,105 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:37,111 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:37,124 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:37,124 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:37,124 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:37,124 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:37,124 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:37,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:37,134 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:37,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:37,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:37,135 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:37,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:37,135 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:37,156 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:37,168 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:37,168 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:37,168 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:37,168 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:37,169 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:37,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:37,171 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:37,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:37,173 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:37,173 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:37,173 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:37,182 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:37,183 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:37,195 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:37,195 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:37,196 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:37,196 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:37,196 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:37,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:37,198 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:37,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:37,199 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:37,199 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:37,199 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:37,199 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:37,201 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:37,204 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:37,205 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4aa1f5d6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:37, skipping insertion in model container [2024-10-15 15:33:37,205 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:37,207 INFO L158 Benchmark]: Toolchain (without parser) took 1396.69ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 50.3MB in the beginning and 74.2MB in the end (delta: -23.9MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:37,208 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:37,209 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 73.4MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:37,210 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.43ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 50.1MB in the beginning and 79.3MB in the end (delta: -29.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-15 15:33:37,210 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.81ms. Allocated memory is still 98.6MB. Free memory was 79.3MB in the beginning and 78.5MB in the end (delta: 824.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:37,211 INFO L158 Benchmark]: Boogie Preprocessor took 39.84ms. Allocated memory is still 98.6MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:37,212 INFO L158 Benchmark]: RCFGBuilder took 432.71ms. Allocated memory is still 98.6MB. Free memory was 76.4MB in the beginning and 59.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:37,212 INFO L158 Benchmark]: Referee took 520.12ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 74.2MB in the end (delta: -15.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:37,215 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 14. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory was 53.1MB in the beginning and 53.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 73.4MB. Free memory is still 52.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.43ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 50.1MB in the beginning and 79.3MB in the end (delta: -29.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.81ms. Allocated memory is still 98.6MB. Free memory was 79.3MB in the beginning and 78.5MB in the end (delta: 824.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.84ms. Allocated memory is still 98.6MB. Free memory was 78.5MB in the beginning and 76.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 432.71ms. Allocated memory is still 98.6MB. Free memory was 76.4MB in the beginning and 59.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 520.12ms. Allocated memory is still 98.6MB. Free memory was 59.3MB in the beginning and 74.2MB in the end (delta: -15.0MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:37,252 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...