./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-simple/nested_3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/nested_3.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-simple/nested_3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/nested_3.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 20:47:43,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:43,756 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:43,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:43,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:43,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:43,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:43,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:43,792 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:43,793 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:43,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:43,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:43,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:43,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:43,797 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:43,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:43,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:43,798 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:43,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:43,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:43,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:43,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:43,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:43,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:43,800 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:43,800 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:43,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:43,801 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:43,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:43,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:43,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:43,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:43,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:43,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:43,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:43,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:43,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:43,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:43,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:43,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:43,814 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:43,814 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:43,814 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:44,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:44,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:44,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:44,081 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:44,081 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:44,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_3.c [2024-09-11 20:47:45,580 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:45,750 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:45,751 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_3.c [2024-09-11 20:47:45,757 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/209a1924d/88d647e4de1c438bb79ce57aed3deea5/FLAG6be7206c0 [2024-09-11 20:47:45,770 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/209a1924d/88d647e4de1c438bb79ce57aed3deea5 [2024-09-11 20:47:45,773 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:45,774 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:45,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_3.yml/witness-2.1.yml [2024-09-11 20:47:45,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:45,825 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:45,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:45,827 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:45,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:45,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:45" (1/2) ... [2024-09-11 20:47:45,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607b0a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:45, skipping insertion in model container [2024-09-11 20:47:45,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:45" (1/2) ... [2024-09-11 20:47:45,837 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1042a06d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:45, skipping insertion in model container [2024-09-11 20:47:45,837 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 08:47:45" (2/2) ... [2024-09-11 20:47:45,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607b0a2a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:45, skipping insertion in model container [2024-09-11 20:47:45,838 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 08:47:45" (2/2) ... [2024-09-11 20:47:45,844 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:45,846 INFO L1541 ArrayList]: Loop invariant at [L22-L26] (((a <= 5) && (b <= 6)) && (6 == c)) [2024-09-11 20:47:45,847 INFO L1541 ArrayList]: Loop invariant at [L21-L27] (((a <= 6) && (6 == b)) && (6 == c)) [2024-09-11 20:47:45,847 INFO L1541 ArrayList]: Loop invariant at [L23-L25] (((((((((a <= 5) && (b <= 5)) && (2 == c)) || (((a <= 5) && (5 == c)) && (b <= 5))) || (((a <= 5) && (b <= 5)) && (3 == c))) || (((c == 0) && (a <= 5)) && (b <= 5))) || (((a <= 5) && (b <= 5)) && (6 == c))) || (((a <= 5) && (b <= 5)) && (c == 4))) || (((c == 1) && (a <= 5)) && (b <= 5))) [2024-09-11 20:47:45,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:46,022 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-simple/nested_3.c[784,797] [2024-09-11 20:47:46,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:46,034 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:47:46,070 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-simple/nested_3.c[784,797] [2024-09-11 20:47:46,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:46,089 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:46,089 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:46 WrapperNode [2024-09-11 20:47:46,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:46,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:46,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:46,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:46,102 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 08:47:46" (1/1) ... [2024-09-11 20:47:46,103 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 08:47:46" (1/1) ... [2024-09-11 20:47:46,109 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 08:47:46" (1/1) ... [2024-09-11 20:47:46,124 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 20:47:46,124 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 08:47:46" (1/1) ... [2024-09-11 20:47:46,124 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 08:47:46" (1/1) ... [2024-09-11 20:47:46,129 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 08:47:46" (1/1) ... [2024-09-11 20:47:46,136 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 08:47:46" (1/1) ... [2024-09-11 20:47:46,136 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 08:47:46" (1/1) ... [2024-09-11 20:47:46,137 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 08:47:46" (1/1) ... [2024-09-11 20:47:46,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:46,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:46,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:46,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:46,143 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 08:47:46" (1/1) ... [2024-09-11 20:47:46,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:46,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:46,171 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 20:47:46,176 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 20:47:46,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:46,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:46,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:47:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:47:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:47:46,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:46,294 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:46,297 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:46,450 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:46,450 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:46,478 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:46,479 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:47:46,479 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:46 BoogieIcfgContainer [2024-09-11 20:47:46,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:46,480 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:46,480 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:46,481 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:46,481 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:45" (1/4) ... [2024-09-11 20:47:46,482 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f43233f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:46, skipping insertion in model container [2024-09-11 20:47:46,482 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 08:47:45" (2/4) ... [2024-09-11 20:47:46,482 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f43233f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:46, skipping insertion in model container [2024-09-11 20:47:46,483 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 08:47:46" (3/4) ... [2024-09-11 20:47:46,483 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f43233f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:46, skipping insertion in model container [2024-09-11 20:47:46,483 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 08:47:46" (4/4) ... [2024-09-11 20:47:46,484 INFO L79 RefereeObserver]: Analyzing ICFG nested_3.c [2024-09-11 20:47:46,487 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:47:46,487 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:46,487 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:47:46,487 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:46,488 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:46,488 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:46,488 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:46,488 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:46,488 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to loop head [2024-09-11 20:47:46,525 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:46,527 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:46,527 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:46,528 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:46,529 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:46,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,544 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:46,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,546 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:46,546 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:46,547 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:46,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:46,575 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:46,591 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:46,591 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:46,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:46,591 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:46,592 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:46,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,594 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:46,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:46,597 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:46,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:46,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:46,602 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:46,619 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:46,620 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:46,620 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:46,620 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:46,620 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:46,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,626 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:46,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:46,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:46,627 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:46,627 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:46,631 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:46,643 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:46,644 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:46,644 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:46,644 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:46,644 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:46,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,660 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:46,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,661 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:46,661 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:46,661 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:46,666 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:46,671 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:46,681 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:46,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:46,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:46,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:46,682 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:46,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,686 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:46,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,686 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:46,686 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:46,686 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:46,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:46,690 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:46,696 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:46,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:46,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:46,696 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:46,697 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:46,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,700 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:46,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:46,701 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:46,701 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:46,701 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:46,703 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:46,711 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:46,711 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:46,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:46,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:46,712 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:46,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,717 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:46,717 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:46,718 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:46,718 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:46,718 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:46,718 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:46,721 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:46,725 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:46,725 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f43233f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:46, skipping insertion in model container [2024-09-11 20:47:46,725 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:46,727 INFO L158 Benchmark]: Toolchain (without parser) took 900.88ms. Allocated memory is still 169.9MB. Free memory was 109.6MB in the beginning and 61.0MB in the end (delta: 48.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-11 20:47:46,728 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 169.9MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:46,728 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:46,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.11ms. Allocated memory is still 169.9MB. Free memory was 109.2MB in the beginning and 96.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:46,729 INFO L158 Benchmark]: Boogie Preprocessor took 50.09ms. Allocated memory is still 169.9MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:46,729 INFO L158 Benchmark]: RCFGBuilder took 338.79ms. Allocated memory is still 169.9MB. Free memory was 94.1MB in the beginning and 80.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:46,730 INFO L158 Benchmark]: Referee took 245.28ms. Allocated memory is still 169.9MB. Free memory was 80.6MB in the beginning and 61.0MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-11 20:47:46,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 21 to check that a call to reach_error is unreachable at line 29. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 22. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 169.9MB. Free memory is still 134.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 169.9MB. Free memory is still 111.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.11ms. Allocated memory is still 169.9MB. Free memory was 109.2MB in the beginning and 96.2MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.09ms. Allocated memory is still 169.9MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.79ms. Allocated memory is still 169.9MB. Free memory was 94.1MB in the beginning and 80.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 245.28ms. Allocated memory is still 169.9MB. Free memory was 80.6MB in the beginning and 61.0MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:46,762 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/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-simple/nested_3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/nested_3.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 20:47:48,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:48,949 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:47:48,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:48,956 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:48,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:48,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:48,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:48,990 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:48,991 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:48,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:48,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:48,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:48,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:48,993 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:48,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:48,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:48,994 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:48,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:48,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:48,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:48,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:48,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:48,999 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:47:48,999 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:47:48,999 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:48,999 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:47:49,000 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:49,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:49,000 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:49,000 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:49,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:49,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:49,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:49,008 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:49,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:49,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:49,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:49,009 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:47:49,009 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:47:49,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:49,010 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:49,010 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:49,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:49,011 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:47:49,011 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:49,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:49,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:49,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:49,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:49,339 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:49,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-simple/nested_3.c [2024-09-11 20:47:50,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:51,142 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:51,143 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-simple/nested_3.c [2024-09-11 20:47:51,152 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/97ca09a7e/6a21f139eff04060b654de3a3f249b8f/FLAG53b21f2c4 [2024-09-11 20:47:51,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/97ca09a7e/6a21f139eff04060b654de3a3f249b8f [2024-09-11 20:47:51,532 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:51,533 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:51,535 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested_3.yml/witness-2.1.yml [2024-09-11 20:47:51,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:51,591 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:51,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:51,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:51,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:51,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:51" (1/2) ... [2024-09-11 20:47:51,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba26cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:51, skipping insertion in model container [2024-09-11 20:47:51,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:51" (1/2) ... [2024-09-11 20:47:51,604 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fdcd438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:51, skipping insertion in model container [2024-09-11 20:47:51,605 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 08:47:51" (2/2) ... [2024-09-11 20:47:51,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba26cf6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:51, skipping insertion in model container [2024-09-11 20:47:51,605 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 08:47:51" (2/2) ... [2024-09-11 20:47:51,611 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:51,613 INFO L1541 ArrayList]: Loop invariant at [L21-L27] (((a <= 6) && (6 == b)) && (6 == c)) [2024-09-11 20:47:51,613 INFO L1541 ArrayList]: Loop invariant at [L23-L25] (((((((((a <= 5) && (b <= 5)) && (2 == c)) || (((a <= 5) && (5 == c)) && (b <= 5))) || (((a <= 5) && (b <= 5)) && (3 == c))) || (((c == 0) && (a <= 5)) && (b <= 5))) || (((a <= 5) && (b <= 5)) && (6 == c))) || (((a <= 5) && (b <= 5)) && (c == 4))) || (((c == 1) && (a <= 5)) && (b <= 5))) [2024-09-11 20:47:51,613 INFO L1541 ArrayList]: Loop invariant at [L22-L26] (((a <= 5) && (b <= 6)) && (6 == c)) [2024-09-11 20:47:51,631 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:51,817 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-simple/nested_3.c[784,797] [2024-09-11 20:47:51,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:51,839 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:47:51,890 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-simple/nested_3.c[784,797] [2024-09-11 20:47:51,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:51,917 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:51,917 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:51 WrapperNode [2024-09-11 20:47:51,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:51,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:51,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:51,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:51,932 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 08:47:51" (1/1) ... [2024-09-11 20:47:51,933 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 08:47:51" (1/1) ... [2024-09-11 20:47:51,940 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 08:47:51" (1/1) ... [2024-09-11 20:47:51,958 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 20:47:51,959 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 08:47:51" (1/1) ... [2024-09-11 20:47:51,959 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 08:47:51" (1/1) ... [2024-09-11 20:47:51,966 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 08:47:51" (1/1) ... [2024-09-11 20:47:51,972 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 08:47:51" (1/1) ... [2024-09-11 20:47:51,973 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 08:47:51" (1/1) ... [2024-09-11 20:47:51,975 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 08:47:51" (1/1) ... [2024-09-11 20:47:51,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:51,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:51,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:51,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:51,981 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 08:47:51" (1/1) ... [2024-09-11 20:47:51,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:51,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:52,014 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 20:47:52,019 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 20:47:52,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:52,067 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:52,068 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-11 20:47:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-11 20:47:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-11 20:47:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:52,142 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:52,146 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:52,348 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:52,351 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:52,384 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:52,384 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:47:52,384 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:52 BoogieIcfgContainer [2024-09-11 20:47:52,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:52,388 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:52,388 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:52,389 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:52,389 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:51" (1/4) ... [2024-09-11 20:47:52,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e73c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:52, skipping insertion in model container [2024-09-11 20:47:52,390 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 08:47:51" (2/4) ... [2024-09-11 20:47:52,390 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e73c68 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:52, skipping insertion in model container [2024-09-11 20:47:52,390 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 08:47:51" (3/4) ... [2024-09-11 20:47:52,391 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e73c68 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:52, skipping insertion in model container [2024-09-11 20:47:52,391 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 08:47:52" (4/4) ... [2024-09-11 20:47:52,392 INFO L79 RefereeObserver]: Analyzing ICFG nested_3.c [2024-09-11 20:47:52,396 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:47:52,397 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:52,398 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:47:52,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:52,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:52,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 5 edges. [2024-09-11 20:47:52,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:52,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:52,399 INFO L130 InvariantChecker]: Will check 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-11 20:47:52,442 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:52,444 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,444 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,445 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,446 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,460 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:52,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,461 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,461 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,462 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,466 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,489 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:52,508 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:47:52,509 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,509 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,509 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,509 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,513 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:47:52,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,518 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:52,535 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:52,536 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,539 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,539 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,539 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,544 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:52,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,548 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:52,569 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:52,570 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,571 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,571 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,571 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,582 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:52,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,583 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,583 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,583 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,589 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,595 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:52,616 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:52,617 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,617 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,617 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,617 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,622 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:52,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,623 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,623 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,624 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,627 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-4 to error location mainErr3ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:47:52,635 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:52,636 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,636 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,636 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,636 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,640 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:52,640 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,641 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,641 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,641 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,641 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,643 INFO L514 InvariantChecker]: The annotation(s) from loop head L22-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:52,652 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:52,653 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:52,653 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:52,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:52,653 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:52,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,660 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:52,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:52,661 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:52,661 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:52,661 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:52,661 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:52,669 INFO L514 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:52,672 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:47:52,673 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@40e73c68 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:52, skipping insertion in model container [2024-09-11 20:47:52,673 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:52,674 INFO L158 Benchmark]: Toolchain (without parser) took 1082.22ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.6MB in the beginning and 46.5MB in the end (delta: -14.9MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-09-11 20:47:52,675 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 48.2MB. Free memory was 23.3MB in the beginning and 23.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:52,675 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:52,676 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.58ms. Allocated memory is still 67.1MB. Free memory was 31.4MB in the beginning and 37.7MB in the end (delta: -6.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-09-11 20:47:52,676 INFO L158 Benchmark]: Boogie Preprocessor took 59.64ms. Allocated memory is still 67.1MB. Free memory was 37.7MB in the beginning and 35.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:52,677 INFO L158 Benchmark]: RCFGBuilder took 405.37ms. Allocated memory is still 67.1MB. Free memory was 35.3MB in the beginning and 38.2MB in the end (delta: -2.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2024-09-11 20:47:52,677 INFO L158 Benchmark]: Referee took 284.84ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 46.5MB in the end (delta: -8.6MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:52,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 21 to check that a call to reach_error is unreachable at line 29. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 22. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 48.2MB. Free memory was 23.3MB in the beginning and 23.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.58ms. Allocated memory is still 67.1MB. Free memory was 31.4MB in the beginning and 37.7MB in the end (delta: -6.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.64ms. Allocated memory is still 67.1MB. Free memory was 37.7MB in the beginning and 35.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 405.37ms. Allocated memory is still 67.1MB. Free memory was 35.3MB in the beginning and 38.2MB in the end (delta: -2.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Referee took 284.84ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 46.5MB in the end (delta: -8.6MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:52,709 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: UNKNOWN