This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:02,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:02,097 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:02,101 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:02,102 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:02,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:02,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:02,135 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:02,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:02,137 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:02,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:02,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:02,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:02,139 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:02,141 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:02,142 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:02,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:02,142 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:02,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:02,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:02,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:02,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:02,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:02,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:02,148 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:02,148 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:02,149 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:02,149 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:02,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:02,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:02,150 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:02,150 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:02,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:02,150 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:02,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:02,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:02,151 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:02,151 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:02,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:02,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:02,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:02,154 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:02,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:02,154 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:02,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:02,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:02,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:02,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:02,412 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:02,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/trex04.c [2024-09-13 10:07:03,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:03,975 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:03,976 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/trex04.c [2024-09-13 10:07:03,982 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bcc5f0a02/9662e7369e00494398bfe64304d19662/FLAG498a7d71a [2024-09-13 10:07:04,002 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bcc5f0a02/9662e7369e00494398bfe64304d19662 [2024-09-13 10:07:04,004 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:04,005 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:04,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/trex04.yml/witness-2.1.yml [2024-09-13 10:07:04,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:04,060 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:04,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:04,063 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:04,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:04,069 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:04" (1/2) ... [2024-09-13 10:07:04,070 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce30dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:04, skipping insertion in model container [2024-09-13 10:07:04,070 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:04" (1/2) ... [2024-09-13 10:07:04,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51b6d631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:04, skipping insertion in model container [2024-09-13 10:07:04,072 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:04" (2/2) ... [2024-09-13 10:07:04,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce30dd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:04, skipping insertion in model container [2024-09-13 10:07:04,073 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:04" (2/2) ... [2024-09-13 10:07:04,078 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:04,079 INFO L1541 ArrayList]: Function contract at [L9]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:07:04,096 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:04,251 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/loops/trex04.c[405,418] [2024-09-13 10:07:04,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:04,282 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:07:04,321 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/loops/trex04.c[405,418] [2024-09-13 10:07:04,332 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:04,367 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:04,368 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:04 WrapperNode [2024-09-13 10:07:04,368 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:04,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:04,369 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:04,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:04,382 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 13.09 10:07:04" (1/1) ... [2024-09-13 10:07:04,383 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 13.09 10:07:04" (1/1) ... [2024-09-13 10:07:04,390 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 13.09 10:07:04" (1/1) ... [2024-09-13 10:07:04,398 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:07:04,399 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 13.09 10:07:04" (1/1) ... [2024-09-13 10:07:04,399 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 13.09 10:07:04" (1/1) ... [2024-09-13 10:07:04,403 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 13.09 10:07:04" (1/1) ... [2024-09-13 10:07:04,407 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 13.09 10:07:04" (1/1) ... [2024-09-13 10:07:04,408 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 13.09 10:07:04" (1/1) ... [2024-09-13 10:07:04,409 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 13.09 10:07:04" (1/1) ... [2024-09-13 10:07:04,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:04,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:04,412 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:04,412 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:04,413 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 13.09 10:07:04" (1/1) ... [2024-09-13 10:07:04,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:04,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:04,440 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) [2024-09-13 10:07:04,443 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 [2024-09-13 10:07:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:04,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:07:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2024-09-13 10:07:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-13 10:07:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:07:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2024-09-13 10:07:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:07:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:07:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:07:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:04,544 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:04,546 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:04,689 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:07:04,698 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:04,725 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:04,725 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:07:04,726 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:04 BoogieIcfgContainer [2024-09-13 10:07:04,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:04,727 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:04,727 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:04,728 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:04,728 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:04" (1/4) ... [2024-09-13 10:07:04,728 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72e86f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:04, skipping insertion in model container [2024-09-13 10:07:04,729 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:04" (2/4) ... [2024-09-13 10:07:04,729 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72e86f1e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:04, skipping insertion in model container [2024-09-13 10:07:04,729 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 13.09 10:07:04" (3/4) ... [2024-09-13 10:07:04,729 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72e86f1e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:04, skipping insertion in model container [2024-09-13 10:07:04,729 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:04" (4/4) ... [2024-09-13 10:07:04,731 INFO L79 RefereeObserver]: Analyzing ICFG trex04.c [2024-09-13 10:07:04,733 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:07:04,734 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-1 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:07:04,734 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:07:04,735 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:07:04,735 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-09-13 10:07:04,789 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 3 edges [2024-09-13 10:07:04,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:04,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:04,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:04,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:04,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:04,802 INFO L101 BaseMinimizeStates]: Removed 3 edges and 1 locations by large block encoding [2024-09-13 10:07:04,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:04,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:04,805 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:04,806 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:04,809 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:04,824 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-1 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:04,857 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:04,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:04,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:04,858 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:04,859 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:04,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:04,862 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:04,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:04,862 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:04,862 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:04,863 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:04,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:04,876 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:07:04,896 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:04,896 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:04,896 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:04,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:04,897 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:04,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:04,899 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:04,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:04,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:04,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:04,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:04,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:04,902 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:07:04,905 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:07:04,908 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@72e86f1e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:04, skipping insertion in model container [2024-09-13 10:07:04,908 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:07:04,909 INFO L158 Benchmark]: Toolchain (without parser) took 849.01ms. Allocated memory is still 161.5MB. Free memory was 90.7MB in the beginning and 105.0MB in the end (delta: -14.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:04,910 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 161.5MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:04,910 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:04,910 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.53ms. Allocated memory is still 161.5MB. Free memory was 90.6MB in the beginning and 131.9MB in the end (delta: -41.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-09-13 10:07:04,911 INFO L158 Benchmark]: Boogie Preprocessor took 41.41ms. Allocated memory is still 161.5MB. Free memory was 131.9MB in the beginning and 130.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:04,913 INFO L158 Benchmark]: RCFGBuilder took 315.30ms. Allocated memory is still 161.5MB. Free memory was 129.6MB in the beginning and 115.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:04,913 INFO L158 Benchmark]: Referee took 180.85ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 105.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:04,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from loop head at line 42 to check that procedure precondition always holds at line 42. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 161.5MB. Free memory is still 116.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 161.5MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.53ms. Allocated memory is still 161.5MB. Free memory was 90.6MB in the beginning and 131.9MB in the end (delta: -41.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.41ms. Allocated memory is still 161.5MB. Free memory was 131.9MB in the beginning and 130.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.30ms. Allocated memory is still 161.5MB. Free memory was 129.6MB in the beginning and 115.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 180.85ms. Allocated memory is still 161.5MB. Free memory was 115.9MB in the beginning and 105.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:04,946 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...