./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:45:45,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:45:45,580 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:45:45,586 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:45:45,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:45:45,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:45:45,621 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:45:45,621 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:45:45,622 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:45:45,623 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:45:45,624 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:45:45,624 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:45:45,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:45:45,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:45:45,627 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:45:45,627 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:45:45,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:45:45,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:45:45,628 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:45:45,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:45:45,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:45:45,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:45:45,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:45:45,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:45:45,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:45:45,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:45:45,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:45:45,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:45:45,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:45:45,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:45:45,635 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:45:45,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:45:45,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:45:45,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:45,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:45:45,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:45:45,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:45:45,649 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:45:45,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:45:45,649 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:45:45,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:45:45,650 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:45:45,650 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:45:45,650 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:45:45,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:45:45,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:45:45,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:45:45,940 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:45:45,940 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:45:45,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-25 11:45:47,436 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:45:47,707 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:45:47,708 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-25 11:45:47,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a0f41a128/2262e1d6730c4efcae50405af59024b5/FLAGce345b574 [2024-09-25 11:45:47,746 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a0f41a128/2262e1d6730c4efcae50405af59024b5 [2024-09-25 11:45:47,749 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:45:47,750 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:45:47,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-25 11:45:47,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:45:47,811 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:45:47,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:47,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:45:47,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:45:47,820 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:47" (1/2) ... [2024-09-25 11:45:47,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d0d66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47, skipping insertion in model container [2024-09-25 11:45:47,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:47" (1/2) ... [2024-09-25 11:45:47,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4c0a6ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:47, skipping insertion in model container [2024-09-25 11:45:47,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:47" (2/2) ... [2024-09-25 11:45:47,825 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d0d66d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:47, skipping insertion in model container [2024-09-25 11:45:47,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:47" (2/2) ... [2024-09-25 11:45:47,879 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:45:47,880 INFO L1541 ArrayList]: Location invariant before [L1742-L2092] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:47,880 INFO L1541 ArrayList]: Location invariant before [L1771-L1802] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:47,881 INFO L1541 ArrayList]: Location invariant before [L225-L2614] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:47,881 INFO L1541 ArrayList]: Location invariant before [L1304-L2242] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:47,881 INFO L1541 ArrayList]: Location invariant before [L1542-L2164] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:47,881 INFO L1541 ArrayList]: Location invariant before [L1754-L1805] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:47,881 INFO L1541 ArrayList]: Location invariant before [L1103-L2314] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:47,882 INFO L1541 ArrayList]: Location invariant before [L664-L2464] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:47,882 INFO L1541 ArrayList]: Location invariant before [L426-L2542] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:47,882 INFO L1541 ArrayList]: Location invariant before [L865-L2392] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:47,883 INFO L1541 ArrayList]: Function contract at [L13]: requires null, ensures (__return_main == \old(__return_main)) [2024-09-25 11:45:47,943 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:45:48,330 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-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-25 11:45:48,344 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-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2024-09-25 11:45:48,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:48,418 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-25 11:45:48,621 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-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-25 11:45:48,626 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-invgen/id_build.i.p+nlh-reducer.c[33038,33051] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:45:48,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:48,696 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:45:48,696 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:48 WrapperNode [2024-09-25 11:45:48,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:48,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:45:48,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:45:48,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:45:48,713 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 25.09 11:45:48" (1/1) ... [2024-09-25 11:45:48,714 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 25.09 11:45:48" (1/1) ... [2024-09-25 11:45:48,733 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 25.09 11:45:48" (1/1) ... [2024-09-25 11:45:48,773 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 [2024-09-25 11:45:48,773 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 25.09 11:45:48" (1/1) ... [2024-09-25 11:45:48,773 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 25.09 11:45:48" (1/1) ... [2024-09-25 11:45:48,800 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 25.09 11:45:48" (1/1) ... [2024-09-25 11:45:48,814 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 25.09 11:45:48" (1/1) ... [2024-09-25 11:45:48,817 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 25.09 11:45:48" (1/1) ... [2024-09-25 11:45:48,822 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 25.09 11:45:48" (1/1) ... [2024-09-25 11:45:48,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:45:48,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:45:48,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:45:48,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:45:48,832 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 25.09 11:45:48" (1/1) ... [2024-09-25 11:45:48,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:48,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:45:48,870 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) [2024-09-25 11:45:48,877 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 [2024-09-25 11:45:48,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:45:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:45:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:45:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:45:48,922 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:45:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:45:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:45:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:45:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:45:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:45:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:45:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:45:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:45:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:45:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:45:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:45:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:45:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:45:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:45:49,093 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:45:49,095 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:45:50,166 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:45:50,223 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:45:50,227 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:45:50,228 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:50 BoogieIcfgContainer [2024-09-25 11:45:50,228 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:45:50,228 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:45:50,229 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:45:50,229 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:45:50,230 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:45:47" (1/4) ... [2024-09-25 11:45:50,230 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@598f8e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:50, skipping insertion in model container [2024-09-25 11:45:50,230 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:47" (2/4) ... [2024-09-25 11:45:50,230 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@598f8e91 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:50, skipping insertion in model container [2024-09-25 11:45:50,230 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 25.09 11:45:48" (3/4) ... [2024-09-25 11:45:50,231 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@598f8e91 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:50, skipping insertion in model container [2024-09-25 11:45:50,231 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:50" (4/4) ... [2024-09-25 11:45:50,235 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2024-09-25 11:45:50,239 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:45:50,240 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 91 edges. [2024-09-25 11:45:50,241 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 155 edges. [2024-09-25 11:45:50,242 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 120 edges. [2024-09-25 11:45:50,243 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 184 edges. [2024-09-25 11:45:50,244 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-25 11:45:50,245 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 219 edges. [2024-09-25 11:45:50,245 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-25 11:45:50,246 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 56 edges. [2024-09-25 11:45:50,246 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-25 11:45:50,246 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-25 11:45:50,247 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 244 edges. [2024-09-25 11:45:50,248 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 492 edges. [2024-09-25 11:45:50,248 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-25 11:45:50,249 INFO L131 InvariantChecker]: Will check 13 loop-free subgraphs from procedure entry to error location [2024-09-25 11:45:50,387 INFO L314 BlockEncoder]: Initial Icfg 83 locations, 91 edges [2024-09-25 11:45:50,388 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:50,388 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:50,389 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:50,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:50,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:50,989 INFO L101 BaseMinimizeStates]: Removed 431 edges and 80 locations by large block encoding [2024-09-25 11:45:50,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:50,992 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:50,992 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:50,993 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:51,017 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-25 11:45:51,019 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-25 11:45:51,026 INFO L158 Benchmark]: Toolchain (without parser) took 3213.08ms. Allocated memory was 178.3MB in the beginning and 285.2MB in the end (delta: 107.0MB). Free memory was 116.7MB in the beginning and 109.6MB in the end (delta: 7.1MB). Peak memory consumption was 150.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:51,028 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 178.3MB. Free memory was 143.2MB in the beginning and 142.9MB in the end (delta: 268.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:51,028 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:51,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 884.22ms. Allocated memory is still 178.3MB. Free memory was 116.3MB in the beginning and 70.6MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-25 11:45:51,029 INFO L158 Benchmark]: Boogie Preprocessor took 132.68ms. Allocated memory is still 178.3MB. Free memory was 70.6MB in the beginning and 63.4MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-25 11:45:51,030 INFO L158 Benchmark]: RCFGBuilder took 1397.29ms. Allocated memory was 178.3MB in the beginning and 285.2MB in the end (delta: 107.0MB). Free memory was 63.0MB in the beginning and 166.3MB in the end (delta: -103.3MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-09-25 11:45:51,031 INFO L158 Benchmark]: Referee took 794.98ms. Allocated memory is still 285.2MB. Free memory was 166.3MB in the beginning and 109.6MB in the end (delta: 56.7MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2024-09-25 11:45:51,034 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 178.3MB. Free memory was 143.2MB in the beginning and 142.9MB in the end (delta: 268.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 178.3MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 884.22ms. Allocated memory is still 178.3MB. Free memory was 116.3MB in the beginning and 70.6MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 132.68ms. Allocated memory is still 178.3MB. Free memory was 70.6MB in the beginning and 63.4MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1397.29ms. Allocated memory was 178.3MB in the beginning and 285.2MB in the end (delta: 107.0MB). Free memory was 63.0MB in the beginning and 166.3MB in the end (delta: -103.3MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Referee took 794.98ms. Allocated memory is still 285.2MB. Free memory was 166.3MB in the beginning and 109.6MB in the end (delta: 56.7MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:45:51,071 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:45:53,332 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:45:53,416 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:45:53,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:45:53,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:45:53,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:45:53,457 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:45:53,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:45:53,458 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:45:53,461 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:45:53,462 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:45:53,462 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:45:53,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:45:53,463 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:45:53,463 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:45:53,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:45:53,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:45:53,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:45:53,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:45:53,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:45:53,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:45:53,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:45:53,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:45:53,468 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:45:53,468 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:45:53,468 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:45:53,468 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:45:53,468 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:45:53,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:45:53,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:45:53,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:45:53,469 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:45:53,469 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:45:53,470 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:45:53,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:45:53,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:53,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:45:53,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:45:53,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:45:53,471 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:45:53,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:45:53,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:45:53,473 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:45:53,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:45:53,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:45:53,474 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:45:53,474 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:45:53,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:45:53,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:45:53,847 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:45:53,848 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:45:53,848 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:45:53,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-25 11:45:55,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:45:55,747 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:45:55,748 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2024-09-25 11:45:55,775 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/63f694c30/02ab48c6b01946fea01242c4be1d21d9/FLAG8d1f297a9 [2024-09-25 11:45:55,792 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/63f694c30/02ab48c6b01946fea01242c4be1d21d9 [2024-09-25 11:45:55,795 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:45:55,796 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:45:55,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+nlh-reducer.yml/witness-2.1.yml [2024-09-25 11:45:55,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:45:55,867 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:45:55,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:55,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:45:55,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:45:55,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:55" (1/2) ... [2024-09-25 11:45:55,879 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bcd14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55, skipping insertion in model container [2024-09-25 11:45:55,879 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:45:55" (1/2) ... [2024-09-25 11:45:55,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e49720e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:45:55, skipping insertion in model container [2024-09-25 11:45:55,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:55" (2/2) ... [2024-09-25 11:45:55,882 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bcd14f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:55, skipping insertion in model container [2024-09-25 11:45:55,882 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:55" (2/2) ... [2024-09-25 11:45:55,928 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:45:55,928 INFO L1541 ArrayList]: Location invariant before [L1771-L1802] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:55,928 INFO L1541 ArrayList]: Location invariant before [L1742-L2092] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:55,929 INFO L1541 ArrayList]: Location invariant before [L664-L2464] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:55,929 INFO L1541 ArrayList]: Location invariant before [L225-L2614] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:55,929 INFO L1541 ArrayList]: Location invariant before [L1103-L2314] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:55,929 INFO L1541 ArrayList]: Location invariant before [L865-L2392] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:55,929 INFO L1541 ArrayList]: Location invariant before [L1304-L2242] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:55,929 INFO L1541 ArrayList]: Location invariant before [L1754-L1805] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:55,929 INFO L1541 ArrayList]: Location invariant before [L1542-L2164] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:55,930 INFO L1541 ArrayList]: Location invariant before [L426-L2542] (((\old(__return_1719) == __return_1719) && (((long long) main__i + 1) <= main__nlen)) && (0 <= main__i)) [2024-09-25 11:45:55,930 INFO L1541 ArrayList]: Function contract at [L13]: requires null, ensures (__return_main == \old(__return_main)) [2024-09-25 11:45:55,992 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:45:56,383 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-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-25 11:45:56,391 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-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2024-09-25 11:45:56,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:56,462 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global [2024-09-25 11:45:56,622 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-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2024-09-25 11:45:56,627 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-invgen/id_build.i.p+nlh-reducer.c[33038,33051] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-25 11:45:56,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:45:56,699 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:45:56,700 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:45:56 WrapperNode [2024-09-25 11:45:56,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:45:56,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:45:56,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:45:56,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:45:56,729 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 25.09 11:45:56" (1/1) ... [2024-09-25 11:45:56,730 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 25.09 11:45:56" (1/1) ... [2024-09-25 11:45:56,752 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 25.09 11:45:56" (1/1) ... [2024-09-25 11:45:56,780 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 [2024-09-25 11:45:56,780 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 25.09 11:45:56" (1/1) ... [2024-09-25 11:45:56,780 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 25.09 11:45:56" (1/1) ... [2024-09-25 11:45:56,842 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 25.09 11:45:56" (1/1) ... [2024-09-25 11:45:56,857 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 25.09 11:45:56" (1/1) ... [2024-09-25 11:45:56,864 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 25.09 11:45:56" (1/1) ... [2024-09-25 11:45:56,872 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 25.09 11:45:56" (1/1) ... [2024-09-25 11:45:56,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:45:56,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:45:56,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:45:56,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:45:56,885 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 25.09 11:45:56" (1/1) ... [2024-09-25 11:45:56,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:45:56,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:45:56,923 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) [2024-09-25 11:45:56,929 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 [2024-09-25 11:45:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:45:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:45:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:45:56,977 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:45:56,978 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:45:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:45:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:45:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:45:56,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:45:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:45:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:45:56,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:45:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:45:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:45:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:45:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:45:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:45:56,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:45:56,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:45:57,157 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:45:57,160 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:45:58,627 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:45:58,687 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:45:58,687 INFO L317 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-25 11:45:58,687 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:58 BoogieIcfgContainer [2024-09-25 11:45:58,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:45:58,688 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:45:58,688 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:45:58,689 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:45:58,693 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:45:55" (1/4) ... [2024-09-25 11:45:58,695 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@224518e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:45:58, skipping insertion in model container [2024-09-25 11:45:58,695 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:45:55" (2/4) ... [2024-09-25 11:45:58,696 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@224518e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:58, skipping insertion in model container [2024-09-25 11:45:58,696 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 25.09 11:45:56" (3/4) ... [2024-09-25 11:45:58,696 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@224518e9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:45:58, skipping insertion in model container [2024-09-25 11:45:58,696 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:45:58" (4/4) ... [2024-09-25 11:45:58,699 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+nlh-reducer.c [2024-09-25 11:45:58,703 INFO L113 InvariantChecker]: Found 0 loops. [2024-09-25 11:45:58,704 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 91 edges. [2024-09-25 11:45:58,705 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 155 edges. [2024-09-25 11:45:58,706 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 120 edges. [2024-09-25 11:45:58,706 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 184 edges. [2024-09-25 11:45:58,707 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-25 11:45:58,707 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 219 edges. [2024-09-25 11:45:58,708 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-25 11:45:58,708 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 56 edges. [2024-09-25 11:45:58,715 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr11ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 292 edges. [2024-09-25 11:45:58,715 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 27 edges. [2024-09-25 11:45:58,716 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 244 edges. [2024-09-25 11:45:58,716 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 492 edges. [2024-09-25 11:45:58,717 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 291 edges. [2024-09-25 11:45:58,717 INFO L131 InvariantChecker]: Will check 13 loop-free subgraphs from procedure entry to error location [2024-09-25 11:45:58,813 INFO L314 BlockEncoder]: Initial Icfg 83 locations, 91 edges [2024-09-25 11:45:58,814 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:45:58,815 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:45:58,815 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:45:58,816 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:45:58,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:59,562 INFO L101 BaseMinimizeStates]: Removed 431 edges and 80 locations by large block encoding [2024-09-25 11:45:59,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:45:59,564 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:45:59,565 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:45:59,565 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:45:59,587 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-25 11:45:59,589 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-25 11:45:59,595 INFO L158 Benchmark]: Toolchain (without parser) took 3726.99ms. Allocated memory was 58.7MB in the beginning and 205.5MB in the end (delta: 146.8MB). Free memory was 34.8MB in the beginning and 145.6MB in the end (delta: -110.8MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2024-09-25 11:45:59,596 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 44.0MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:59,596 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:45:59,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 831.09ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 33.2MB in the end (delta: 1.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-09-25 11:45:59,598 INFO L158 Benchmark]: Boogie Preprocessor took 180.29ms. Allocated memory is still 75.5MB. Free memory was 33.2MB in the beginning and 42.7MB in the end (delta: -9.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-09-25 11:45:59,598 INFO L158 Benchmark]: RCFGBuilder took 1805.16ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 42.7MB in the beginning and 32.5MB in the end (delta: 10.2MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-09-25 11:45:59,599 INFO L158 Benchmark]: Referee took 905.27ms. Allocated memory was 92.3MB in the beginning and 205.5MB in the end (delta: 113.2MB). Free memory was 32.5MB in the beginning and 145.6MB in the end (delta: -113.1MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2024-09-25 11:45:59,602 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 44.0MB. Free memory is still 21.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 37.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 831.09ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 34.5MB in the beginning and 33.2MB in the end (delta: 1.3MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 180.29ms. Allocated memory is still 75.5MB. Free memory was 33.2MB in the beginning and 42.7MB in the end (delta: -9.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1805.16ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 42.7MB in the beginning and 32.5MB in the end (delta: 10.2MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * Referee took 905.27ms. Allocated memory was 92.3MB in the beginning and 205.5MB in the end (delta: 113.2MB). Free memory was 32.5MB in the beginning and 145.6MB in the end (delta: -113.1MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:45:59,636 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug