This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:06:22,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:06:22,995 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:06:22,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:06:23,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:06:23,035 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:06:23,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:06:23,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:06:23,037 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:06:23,038 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:06:23,040 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:06:23,040 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:06:23,041 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:06:23,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:06:23,042 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:06:23,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:06:23,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:06:23,043 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:06:23,044 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:06:23,044 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:06:23,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:06:23,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:06:23,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:06:23,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:06:23,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:06:23,049 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:06:23,049 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:06:23,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:06:23,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:06:23,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:06:23,050 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:06:23,050 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:06:23,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:06:23,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:23,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:06:23,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:06:23,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:06:23,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:06:23,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:06:23,054 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:06:23,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:06:23,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:06:23,055 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:06:23,055 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:06:23,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:06:23,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:06:23,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:06:23,357 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:06:23,357 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:06:23,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/functions_1-1.c [2024-09-21 19:06:24,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:06:25,079 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:06:25,080 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/functions_1-1.c [2024-09-21 19:06:25,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/79aeb76e9/b5ec15fb1a8a47f89c1b3046545d4a63/FLAG9843a494b [2024-09-21 19:06:25,467 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/79aeb76e9/b5ec15fb1a8a47f89c1b3046545d4a63 [2024-09-21 19:06:25,469 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:06:25,470 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:06:25,471 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/functions_1-1.yml/output/witness-2.1.yml [2024-09-21 19:06:25,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:06:25,530 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:06:25,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:25,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:06:25,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:06:25,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:25" (1/2) ... [2024-09-21 19:06:25,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255e259c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:25, skipping insertion in model container [2024-09-21 19:06:25,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:06:25" (1/2) ... [2024-09-21 19:06:25,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@16b9f77d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:06:25, skipping insertion in model container [2024-09-21 19:06:25,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:25" (2/2) ... [2024-09-21 19:06:25,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255e259c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:25, skipping insertion in model container [2024-09-21 19:06:25,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:25" (2/2) ... [2024-09-21 19:06:25,551 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:06:25,555 INFO L1541 ArrayList]: Loop invariant at [L19-L21] 1 [2024-09-21 19:06:25,555 INFO L1541 ArrayList]: Function contract at [L12]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:25,555 INFO L1541 ArrayList]: Function contract at [L16]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:25,556 INFO L1541 ArrayList]: Function contract at [L5]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:06:25,556 INFO L1541 ArrayList]: Function contract at [L3]: requires 1, ensures 1 [2024-09-21 19:06:25,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:06:25,731 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/functions_1-1.c[325,338] [2024-09-21 19:06:25,744 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:25,756 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:06:25,791 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/functions_1-1.c[325,338] Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:06:25,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:06:25,816 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:06:25,817 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:06:25 WrapperNode [2024-09-21 19:06:25,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:06:25,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:06:25,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:06:25,818 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:06:25,831 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 21.09 07:06:25" (1/1) ... [2024-09-21 19:06:25,831 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 21.09 07:06:25" (1/1) ... [2024-09-21 19:06:25,838 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 21.09 07:06:25" (1/1) ... [2024-09-21 19:06:25,847 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure reach_error is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:06:25,847 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 21.09 07:06:25" (1/1) ... [2024-09-21 19:06:25,847 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 21.09 07:06:25" (1/1) ... [2024-09-21 19:06:25,850 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 21.09 07:06:25" (1/1) ... [2024-09-21 19:06:25,854 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 21.09 07:06:25" (1/1) ... [2024-09-21 19:06:25,855 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 21.09 07:06:25" (1/1) ... [2024-09-21 19:06:25,860 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 21.09 07:06:25" (1/1) ... [2024-09-21 19:06:25,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:06:25,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:06:25,862 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:06:25,862 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:06:25,863 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 21.09 07:06:25" (1/1) ... [2024-09-21 19:06:25,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:06:25,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:06:25,898 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) [2024-09-21 19:06:25,906 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 [2024-09-21 19:06:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:06:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:06:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:06:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:06:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-09-21 19:06:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:06:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:06:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:06:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:06:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:06:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:06:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-09-21 19:06:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:06:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:06:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:06:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:06:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:06:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:06:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:06:26,022 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:06:26,026 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:06:26,031 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:26,052 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:26,078 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:26,131 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:06:26,142 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:06:26,177 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:06:26,178 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:06:26,178 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:26 BoogieIcfgContainer [2024-09-21 19:06:26,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:06:26,179 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:06:26,179 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:06:26,180 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:06:26,180 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:06:25" (1/4) ... [2024-09-21 19:06:26,181 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f351832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:06:26, skipping insertion in model container [2024-09-21 19:06:26,181 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:06:25" (2/4) ... [2024-09-21 19:06:26,181 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f351832 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:26, skipping insertion in model container [2024-09-21 19:06:26,181 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 21.09 07:06:25" (3/4) ... [2024-09-21 19:06:26,181 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f351832 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:06:26, skipping insertion in model container [2024-09-21 19:06:26,181 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:06:26" (4/4) ... [2024-09-21 19:06:26,185 INFO L79 RefereeObserver]: Analyzing ICFG functions_1-1.c [2024-09-21 19:06:26,189 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:06:26,190 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:06:26,190 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:26,190 INFO L373 InvariantChecker]: Will check inductivity from ENTRY fENTRY to ERROR_LOC fErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:26,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:06:26,191 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 19:06:26,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:26,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:06:26,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:26,191 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:06:26,191 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-3 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:06:26,192 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 5 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 19:06:26,237 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:06:26,240 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:26,240 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:26,241 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:26,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:26,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,253 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:06:26,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,255 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:26,256 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:26,256 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:26,259 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:26,272 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:26,285 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:26,285 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:26,285 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:26,285 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:26,285 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:26,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,290 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:26,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,292 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:26,292 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:26,292 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:26,293 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:26,294 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:26,303 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:26,307 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:26,307 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:26,308 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:26,308 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:26,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,309 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:26,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,309 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:26,310 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:26,310 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:26,310 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:26,318 INFO L520 InvariantChecker]: The annotation(s) from entry fENTRY to error location fErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:26,328 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:26,330 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:26,330 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:26,330 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:26,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:26,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,331 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:26,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,332 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:26,332 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:26,332 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:26,332 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:26,334 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:26,343 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:06:26,345 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:26,345 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:26,345 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:26,346 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:26,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,353 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:06:26,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,354 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:26,355 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:26,355 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:26,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:26,358 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:06:26,368 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:26,368 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:26,368 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:26,368 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:26,369 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:26,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,370 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:26,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:26,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:26,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:26,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:26,373 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:26,381 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:06:26,382 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:26,382 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:26,382 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:26,383 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:26,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,383 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:06:26,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,384 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:26,384 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:26,384 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:26,385 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:26,387 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:06:26,393 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:26,393 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:26,393 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:26,393 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:26,393 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:26,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,396 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:06:26,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,397 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:26,397 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:26,397 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:26,398 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:26,399 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:26,404 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:06:26,404 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:26,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:26,404 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:26,404 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:26,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,406 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:06:26,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,406 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:26,406 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:26,407 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:26,407 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:26,418 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:06:26,422 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:06:26,422 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:06:26,422 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:06:26,423 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:06:26,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,427 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 19:06:26,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:06:26,428 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:06:26,430 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:06:26,430 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:06:26,431 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:06:26,433 INFO L520 InvariantChecker]: The annotation(s) from loop head L19-3 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:06:26,441 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:06:26,442 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f351832 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:06:26, skipping insertion in model container [2024-09-21 19:06:26,442 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:06:26,444 INFO L158 Benchmark]: Toolchain (without parser) took 913.38ms. Allocated memory is still 146.8MB. Free memory was 89.4MB in the beginning and 45.9MB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-21 19:06:26,445 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory was 110.2MB in the beginning and 110.0MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:26,447 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:06:26,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.33ms. Allocated memory is still 146.8MB. Free memory was 88.8MB in the beginning and 75.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:06:26,448 INFO L158 Benchmark]: Boogie Preprocessor took 43.54ms. Allocated memory is still 146.8MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:06:26,448 INFO L158 Benchmark]: RCFGBuilder took 316.11ms. Allocated memory is still 146.8MB. Free memory was 73.7MB in the beginning and 62.7MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 19:06:26,449 INFO L158 Benchmark]: Referee took 263.48ms. Allocated memory is still 146.8MB. Free memory was 62.7MB in the beginning and 45.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:06:26,453 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 7. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 19 to loop head at line 19. Annotation is valid for all loop-free paths from loop head at line 19 to check that procedure precondition always holds at line 20. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 19. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure f to exit of procedure f. Annotation is valid for all loop-free paths from loop head at line 19 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 19 to check that procedure precondition always holds at line 19. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 146.8MB. Free memory was 110.2MB in the beginning and 110.0MB in the end (delta: 167.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.21ms. Allocated memory is still 146.8MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.33ms. Allocated memory is still 146.8MB. Free memory was 88.8MB in the beginning and 75.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.54ms. Allocated memory is still 146.8MB. Free memory was 75.8MB in the beginning and 73.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.11ms. Allocated memory is still 146.8MB. Free memory was 73.7MB in the beginning and 62.7MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 263.48ms. Allocated memory is still 146.8MB. Free memory was 62.7MB in the beginning and 45.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:06:26,487 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...