This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:09,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:10,039 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:10,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:10,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:10,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:10,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:10,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:10,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:10,080 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:10,081 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:10,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:10,082 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:10,082 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:10,082 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:10,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:10,086 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:10,086 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:10,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:10,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:10,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:10,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:10,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:10,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:10,089 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:10,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:10,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:10,090 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:10,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:10,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:10,091 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:10,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:10,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:10,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:10,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:10,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:10,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:10,093 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:10,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:10,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:10,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:10,094 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:10,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:10,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:10,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:10,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:10,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:10,371 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:10,372 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:10,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_2-1.yml/witness-2.1.yml [2024-09-13 10:07:10,464 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:10,464 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:10,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/simple_2-1.c [2024-09-13 10:07:11,837 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:12,039 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:12,040 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/simple_2-1.c [2024-09-13 10:07:12,046 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/537de76ac/569a47883a0a469faac143f3c2c52a32/FLAG7040abfe7 [2024-09-13 10:07:12,419 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/537de76ac/569a47883a0a469faac143f3c2c52a32 [2024-09-13 10:07:12,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:12,420 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:12,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:12,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:12,426 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:12,427 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 10:07:10" (1/2) ... [2024-09-13 10:07:12,428 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547cffde and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:12, skipping insertion in model container [2024-09-13 10:07:12,429 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 10:07:10" (1/2) ... [2024-09-13 10:07:12,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74f27bd9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:12, skipping insertion in model container [2024-09-13 10:07:12,430 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:12" (2/2) ... [2024-09-13 10:07:12,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547cffde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12, skipping insertion in model container [2024-09-13 10:07:12,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:12" (2/2) ... [2024-09-13 10:07:12,436 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:12,437 INFO L1541 ArrayList]: Function contract at [L6]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:07:12,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:12,590 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-acceleration/simple_2-1.c[372,385] [2024-09-13 10:07:12,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:12,611 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:07:12,650 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-acceleration/simple_2-1.c[372,385] [2024-09-13 10:07:12,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:12,668 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:12,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12 WrapperNode [2024-09-13 10:07:12,669 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:12,670 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:12,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:12,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:12,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,699 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 10:07:12,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,707 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,709 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:12,714 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:12,714 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:12,714 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:12,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (1/1) ... [2024-09-13 10:07:12,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:12,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:12,753 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 10:07:12,756 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 10:07:12,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:12,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:12,801 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:12,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:07:12,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:12,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:07:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:07:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:07:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:07:12,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:12,868 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:12,870 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:12,953 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:07:12,969 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:13,001 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:13,002 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:07:13,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:13 BoogieIcfgContainer [2024-09-13 10:07:13,003 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:13,004 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:13,005 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:13,006 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:13,006 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 10:07:10" (1/4) ... [2024-09-13 10:07:13,007 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cac6f1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:13, skipping insertion in model container [2024-09-13 10:07:13,008 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:12" (2/4) ... [2024-09-13 10:07:13,009 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cac6f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:13, skipping insertion in model container [2024-09-13 10:07:13,009 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:12" (3/4) ... [2024-09-13 10:07:13,009 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cac6f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:13, skipping insertion in model container [2024-09-13 10:07:13,009 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:13" (4/4) ... [2024-09-13 10:07:13,011 INFO L79 RefereeObserver]: Analyzing ICFG simple_2-1.c [2024-09-13 10:07:13,015 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:07:13,016 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-2 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:07:13,016 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 10:07:13,017 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 10:07:13,017 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 10:07:13,056 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 3 edges [2024-09-13 10:07:13,060 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:13,061 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:13,061 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:13,063 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:13,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:13,075 INFO L101 BaseMinimizeStates]: Removed 3 edges and 1 locations by large block encoding [2024-09-13 10:07:13,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:13,079 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:13,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:13,080 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:13,086 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:13,111 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-2 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:13,122 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:13,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:13,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:13,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:13,124 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:13,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:13,131 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:13,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:13,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:13,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:13,133 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:13,134 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:13,140 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:07:13,152 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:13,153 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:13,153 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:13,153 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:13,153 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:13,153 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:13,155 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:13,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:13,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:13,156 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:13,156 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:13,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:13,161 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:07:13,164 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:07:13,165 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6cac6f1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:13, skipping insertion in model container [2024-09-13 10:07:13,165 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:07:13,167 INFO L158 Benchmark]: Toolchain (without parser) took 745.85ms. Allocated memory is still 184.5MB. Free memory was 154.0MB in the beginning and 123.6MB in the end (delta: 30.3MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2024-09-13 10:07:13,167 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:13,169 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 130.0MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:13,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.41ms. Allocated memory is still 184.5MB. Free memory was 153.8MB in the beginning and 144.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:13,171 INFO L158 Benchmark]: Boogie Preprocessor took 42.94ms. Allocated memory is still 184.5MB. Free memory was 144.5MB in the beginning and 142.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:13,171 INFO L158 Benchmark]: RCFGBuilder took 289.62ms. Allocated memory is still 184.5MB. Free memory was 142.5MB in the beginning and 132.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:13,172 INFO L158 Benchmark]: Referee took 161.03ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 123.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 10:07:13,175 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 loop head at line 16 to check that procedure precondition always holds at line 16. 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 8. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 130.0MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.41ms. Allocated memory is still 184.5MB. Free memory was 153.8MB in the beginning and 144.5MB in the end (delta: 9.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.94ms. Allocated memory is still 184.5MB. Free memory was 144.5MB in the beginning and 142.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.62ms. Allocated memory is still 184.5MB. Free memory was 142.5MB in the beginning and 132.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 161.03ms. Allocated memory is still 184.5MB. Free memory was 132.0MB in the beginning and 123.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:13,209 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...