./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-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-dev-a9b967e-m [2024-09-11 20:46:47,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:47,968 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:47,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:47,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:47,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:47,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:47,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:47,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:47,999 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:47,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:47,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:48,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:48,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:48,002 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:48,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:48,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:48,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:48,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:48,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:48,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:48,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:48,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:48,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:48,004 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:48,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:48,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:48,005 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:48,005 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:48,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:48,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:48,006 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:48,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:48,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:48,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:48,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:48,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:48,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:48,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:48,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:48,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:48,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:48,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:48,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:48,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:48,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:48,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:48,211 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:48,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-11 20:46:49,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:49,646 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:49,647 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-11 20:46:49,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cee8f2957/4c065490974149178871462f3ea11278/FLAG4b1907e5b [2024-09-11 20:46:50,003 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cee8f2957/4c065490974149178871462f3ea11278 [2024-09-11 20:46:50,005 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:50,006 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:50,008 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-11 20:46:50,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:50,058 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:50,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:50,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:50,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:50,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:50" (1/2) ... [2024-09-11 20:46:50,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c115d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50, skipping insertion in model container [2024-09-11 20:46:50,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:50" (1/2) ... [2024-09-11 20:46:50,066 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30a0e112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:50, skipping insertion in model container [2024-09-11 20:46:50,066 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:50" (2/2) ... [2024-09-11 20:46:50,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c115d16 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:50, skipping insertion in model container [2024-09-11 20:46:50,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:50" (2/2) ... [2024-09-11 20:46:50,097 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:50,098 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,098 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] (0 < ((long long) main__i + 1)) [2024-09-11 20:46:50,098 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] (0 < ((long long) main__i + 1)) [2024-09-11 20:46:50,098 INFO L1541 ArrayList]: Location invariant before [L1782-L2412] (((((long long) main__i + 1) <= main__nlen) && (0 <= main__i))) && (((((long long) main__i + 1) <= main__nlen) && (0 <= main__i))) [2024-09-11 20:46:50,098 INFO L1541 ArrayList]: Location invariant before [L945-L980] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,099 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] (0 < ((long long) main__i + 1)) [2024-09-11 20:46:50,099 INFO L1541 ArrayList]: Location invariant before [L426-L461] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,099 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:50,099 INFO L1541 ArrayList]: Location invariant before [L541-L2645] (0 < ((long long) main__i + 1)) [2024-09-11 20:46:50,150 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:50,430 WARN L247 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+sep-reducer.c[34383,34396] [2024-09-11 20:46:50,454 WARN L247 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+sep-reducer.c[39106,39119] [2024-09-11 20:46:50,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:50,474 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:46:50,593 WARN L247 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+sep-reducer.c[34383,34396] [2024-09-11 20:46:50,615 WARN L247 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+sep-reducer.c[39106,39119] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:46:50,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:50,644 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:50,645 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:50 WrapperNode [2024-09-11 20:46:50,645 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:50,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:50,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:50,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:50,655 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 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,656 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 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,673 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 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,710 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-11 20:46:50,711 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 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,711 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 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,737 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 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,750 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 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,753 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 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,760 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 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:50,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:50,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:50,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:50,774 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 11.09 08:46:50" (1/1) ... [2024-09-11 20:46:50,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:50,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:50,799 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) [2024-09-11 20:46:50,801 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 [2024-09-11 20:46:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:50,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:50,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:50,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:46:50,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:46:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:46:50,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:50,944 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:50,946 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:51,668 INFO L? ?]: Removed 564 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:51,668 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:51,699 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:51,699 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:46:51,700 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:51 BoogieIcfgContainer [2024-09-11 20:46:51,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:51,701 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:51,701 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:51,701 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:51,701 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:50" (1/4) ... [2024-09-11 20:46:51,702 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@555eadda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:51, skipping insertion in model container [2024-09-11 20:46:51,703 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:50" (2/4) ... [2024-09-11 20:46:51,703 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@555eadda and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:51, skipping insertion in model container [2024-09-11 20:46:51,703 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 11.09 08:46:50" (3/4) ... [2024-09-11 20:46:51,703 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@555eadda and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:51, skipping insertion in model container [2024-09-11 20:46:51,704 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:51" (4/4) ... [2024-09-11 20:46:51,704 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-11 20:46:51,711 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:46:51,712 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-09-11 20:46:51,712 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-09-11 20:46:51,713 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 286 edges. [2024-09-11 20:46:51,714 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-09-11 20:46:51,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-09-11 20:46:51,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-09-11 20:46:51,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-09-11 20:46:51,715 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-11 20:46:51,716 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-09-11 20:46:51,716 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-09-11 20:46:51,716 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-11 20:46:51,717 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-11 20:46:51,827 INFO L314 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-09-11 20:46:51,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:51,828 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:51,828 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:51,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:51,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:52,153 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-09-11 20:46:52,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:52,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:52,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:52,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:52,167 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-11 20:46:52,168 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:144) 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) [2024-09-11 20:46:52,171 INFO L158 Benchmark]: Toolchain (without parser) took 2112.79ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 127.1MB in the beginning and 104.1MB in the end (delta: 23.0MB). Peak memory consumption was 103.5MB. Max. memory is 16.1GB. [2024-09-11 20:46:52,171 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 203.4MB. Free memory is still 164.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:52,171 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 203.4MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:52,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.00ms. Allocated memory is still 203.4MB. Free memory was 126.9MB in the beginning and 145.2MB in the end (delta: -18.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:52,173 INFO L158 Benchmark]: Boogie Preprocessor took 127.74ms. Allocated memory is still 203.4MB. Free memory was 145.2MB in the beginning and 136.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:46:52,174 INFO L158 Benchmark]: RCFGBuilder took 926.05ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 136.8MB in the beginning and 148.2MB in the end (delta: -11.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-11 20:46:52,175 INFO L158 Benchmark]: Referee took 469.11ms. Allocated memory is still 245.4MB. Free memory was 148.2MB in the beginning and 104.1MB in the end (delta: 44.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-09-11 20:46:52,178 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 0.14ms. Allocated memory is still 203.4MB. Free memory is still 164.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 203.4MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.00ms. Allocated memory is still 203.4MB. Free memory was 126.9MB in the beginning and 145.2MB in the end (delta: -18.3MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.74ms. Allocated memory is still 203.4MB. Free memory was 145.2MB in the beginning and 136.8MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 926.05ms. Allocated memory was 203.4MB in the beginning and 245.4MB in the end (delta: 41.9MB). Free memory was 136.8MB in the beginning and 148.2MB in the end (delta: -11.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Referee took 469.11ms. Allocated memory is still 245.4MB. Free memory was 148.2MB in the beginning and 104.1MB in the end (delta: 44.0MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:52,200 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/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+sep-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-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-dev-a9b967e-m [2024-09-11 20:46:53,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:54,050 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:46:54,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:54,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:54,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:54,088 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:54,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:54,089 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:54,089 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:54,089 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:54,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:54,092 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:54,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:54,092 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:54,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:54,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:54,093 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:54,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:54,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:54,094 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:54,097 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:54,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:54,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:46:54,098 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:46:54,098 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:54,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:46:54,099 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:54,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:54,099 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:54,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:54,099 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:54,100 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:54,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:54,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:54,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:54,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:54,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:54,100 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:46:54,101 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:46:54,101 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:54,101 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:54,101 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:54,101 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:54,102 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:46:54,102 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:54,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:54,386 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:54,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:54,388 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:54,389 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:54,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.p+sep-reducer.yml/witness-2.1.yml [2024-09-11 20:46:54,442 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:54,442 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:54,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-11 20:46:55,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:55,981 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:55,981 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2024-09-11 20:46:55,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8325c2510/d954102205354fba9e36afd10c5f6f8f/FLAGe4dfd1674 [2024-09-11 20:46:56,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8325c2510/d954102205354fba9e36afd10c5f6f8f [2024-09-11 20:46:56,007 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:56,008 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:56,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:56,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:56,013 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:56,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:54" (1/2) ... [2024-09-11 20:46:56,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130a9413 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:56, skipping insertion in model container [2024-09-11 20:46:56,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:54" (1/2) ... [2024-09-11 20:46:56,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45224d98 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:56, skipping insertion in model container [2024-09-11 20:46:56,018 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:56" (2/2) ... [2024-09-11 20:46:56,018 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130a9413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56, skipping insertion in model container [2024-09-11 20:46:56,018 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:56" (2/2) ... [2024-09-11 20:46:56,047 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:56,048 INFO L1541 ArrayList]: Location invariant before [L945-L980] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,048 INFO L1541 ArrayList]: Location invariant before [L2303-L2334] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,048 INFO L1541 ArrayList]: Location invariant before [L1579-L2489] (0 < ((long long) main__i + 1)) [2024-09-11 20:46:56,048 INFO L1541 ArrayList]: Location invariant before [L1782-L2412] (((((long long) main__i + 1) <= main__nlen) && (0 <= main__i))) && (((((long long) main__i + 1) <= main__nlen) && (0 <= main__i))) [2024-09-11 20:46:56,048 INFO L1541 ArrayList]: Location invariant before [L2098-L2411] (0 < ((long long) main__i + 1)) [2024-09-11 20:46:56,048 INFO L1541 ArrayList]: Location invariant before [L1060-L2567] (0 < ((long long) main__i + 1)) [2024-09-11 20:46:56,048 INFO L1541 ArrayList]: Location invariant before [L1464-L1499] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,048 INFO L1541 ArrayList]: Location invariant before [L541-L2645] (0 < ((long long) main__i + 1)) [2024-09-11 20:46:56,049 INFO L1541 ArrayList]: Location invariant before [L426-L461] ((((long long) main__i + 1) <= main__nlen) && (0 <= main__i)) [2024-09-11 20:46:56,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:56,397 WARN L247 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+sep-reducer.c[34383,34396] [2024-09-11 20:46:56,417 WARN L247 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+sep-reducer.c[39106,39119] [2024-09-11 20:46:56,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:56,441 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:46:56,582 WARN L247 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+sep-reducer.c[34383,34396] [2024-09-11 20:46:56,598 WARN L247 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+sep-reducer.c[39106,39119] Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:46:56,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:56,626 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:56,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56 WrapperNode [2024-09-11 20:46:56,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:56,628 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:56,628 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:56,628 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:56,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,657 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,686 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-11 20:46:56,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,746 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,750 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:56,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:56,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:56,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:56,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (1/1) ... [2024-09-11 20:46:56,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:56,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:56,783 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) [2024-09-11 20:46:56,785 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 [2024-09-11 20:46:56,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:46:56,824 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:46:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:46:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:46:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:46:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:46:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:56,953 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:56,955 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:58,101 INFO L? ?]: Removed 564 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:58,102 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:58,129 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:58,129 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-11 20:46:58,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:58 BoogieIcfgContainer [2024-09-11 20:46:58,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:58,130 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:58,130 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:58,131 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:58,131 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:46:54" (1/4) ... [2024-09-11 20:46:58,131 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@776b7273 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,131 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:56" (2/4) ... [2024-09-11 20:46:58,132 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@776b7273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,132 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:56" (3/4) ... [2024-09-11 20:46:58,132 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@776b7273 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:58, skipping insertion in model container [2024-09-11 20:46:58,132 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:58" (4/4) ... [2024-09-11 20:46:58,133 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c [2024-09-11 20:46:58,135 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-11 20:46:58,136 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 118 edges. [2024-09-11 20:46:58,136 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 181 edges. [2024-09-11 20:46:58,137 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr9ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 286 edges. [2024-09-11 20:46:58,137 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 127 edges. [2024-09-11 20:46:58,137 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 190 edges. [2024-09-11 20:46:58,138 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 216 edges. [2024-09-11 20:46:58,138 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 55 edges. [2024-09-11 20:46:58,138 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr7ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-11 20:46:58,139 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr8ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 250 edges. [2024-09-11 20:46:58,139 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 64 edges. [2024-09-11 20:46:58,139 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr10ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 287 edges. [2024-09-11 20:46:58,139 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location [2024-09-11 20:46:58,293 INFO L314 BlockEncoder]: Initial Icfg 109 locations, 118 edges [2024-09-11 20:46:58,294 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:58,294 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:58,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:58,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:58,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:58,717 INFO L101 BaseMinimizeStates]: Removed 710 edges and 105 locations by large block encoding [2024-09-11 20:46:58,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:58,718 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:58,718 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:58,719 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:58,732 INFO L314 BlockEncoder]: Encoded RCFG 4 locations, 8 edges [2024-09-11 20:46:58,733 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:144) 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) [2024-09-11 20:46:58,738 INFO L158 Benchmark]: Toolchain (without parser) took 2729.35ms. Allocated memory was 62.9MB in the beginning and 130.0MB in the end (delta: 67.1MB). Free memory was 42.2MB in the beginning and 46.5MB in the end (delta: -4.3MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:58,738 INFO L158 Benchmark]: Witness Parser took 0.73ms. Allocated memory is still 50.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:58,738 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 50.3MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:58,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.50ms. Allocated memory is still 62.9MB. Free memory was 42.0MB in the beginning and 28.1MB in the end (delta: 13.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:58,739 INFO L158 Benchmark]: Boogie Preprocessor took 127.73ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 28.1MB in the beginning and 52.8MB in the end (delta: -24.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:58,740 INFO L158 Benchmark]: RCFGBuilder took 1373.89ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 26.9MB in the end (delta: 25.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-09-11 20:46:58,740 INFO L158 Benchmark]: Referee took 606.10ms. Allocated memory was 79.7MB in the beginning and 130.0MB in the end (delta: 50.3MB). Free memory was 26.9MB in the beginning and 46.5MB in the end (delta: -19.6MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-09-11 20:46:58,742 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: * Witness Parser took 0.73ms. Allocated memory is still 50.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.51ms. Allocated memory is still 50.3MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.50ms. Allocated memory is still 62.9MB. Free memory was 42.0MB in the beginning and 28.1MB in the end (delta: 13.8MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.73ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 28.1MB in the beginning and 52.8MB in the end (delta: -24.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1373.89ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 26.9MB in the end (delta: 25.9MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Referee took 606.10ms. Allocated memory was 79.7MB in the beginning and 130.0MB in the end (delta: 50.3MB). Free memory was 26.9MB in the beginning and 46.5MB in the end (delta: -19.6MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:58,765 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug