This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:02:20,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:20,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:20,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:20,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:20,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:20,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:20,303 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:20,304 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:20,304 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:20,305 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:20,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:20,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:20,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:20,306 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:20,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:20,307 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:20,307 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:20,308 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:20,308 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:20,308 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:20,309 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:20,309 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:20,309 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:20,310 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:20,310 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:20,310 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:20,311 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:20,311 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:20,311 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:20,312 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:20,312 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:20,312 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:20,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:20,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:20,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:20,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:20,313 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:20,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:20,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:20,314 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:20,315 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:20,315 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:20,315 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:20,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:20,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:20,596 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:20,597 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:20,598 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:20,599 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_3-2.yml/witness-2.1.yml [2024-09-13 05:02:20,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:20,649 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:20,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/simple_3-2.c [2024-09-13 05:02:22,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:22,228 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:22,229 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/simple_3-2.c [2024-09-13 05:02:22,236 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/73397fe84/1e9d05d750184b17b13fbd18244ff9aa/FLAGa9b7e7d5e [2024-09-13 05:02:22,626 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/73397fe84/1e9d05d750184b17b13fbd18244ff9aa [2024-09-13 05:02:22,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:22,628 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:22,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:22,631 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:22,636 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:22,637 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 05:02:20" (1/2) ... [2024-09-13 05:02:22,638 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef6297d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:22, skipping insertion in model container [2024-09-13 05:02:22,638 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 05:02:20" (1/2) ... [2024-09-13 05:02:22,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50adcc57 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:22, skipping insertion in model container [2024-09-13 05:02:22,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:22" (2/2) ... [2024-09-13 05:02:22,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef6297d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22, skipping insertion in model container [2024-09-13 05:02:22,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:22" (2/2) ... [2024-09-13 05:02:22,647 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:22,648 INFO L1541 ArrayList]: Loop invariant at [L17-L19] ((x % 2) == 0) [2024-09-13 05:02:22,648 INFO L1541 ArrayList]: Function contract at [L6]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:02:22,665 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:22,824 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_3-2.c[376,389] [2024-09-13 05:02:22,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:22,848 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:02:22,889 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_3-2.c[376,389] Start Parsing Local [2024-09-13 05:02:22,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:22,911 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:22,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22 WrapperNode [2024-09-13 05:02:22,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:22,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:22,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:22,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:22,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (1/1) ... [2024-09-13 05:02:22,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (1/1) ... [2024-09-13 05:02:22,933 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (1/1) ... [2024-09-13 05:02:22,946 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 05:02:22,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (1/1) ... [2024-09-13 05:02:22,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (1/1) ... [2024-09-13 05:02:22,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (1/1) ... [2024-09-13 05:02:22,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (1/1) ... [2024-09-13 05:02:22,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (1/1) ... [2024-09-13 05:02:22,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (1/1) ... [2024-09-13 05:02:22,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:22,959 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:22,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:22,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:22,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (1/1) ... [2024-09-13 05:02:22,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:22,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:23,003 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 05:02:23,007 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 05:02:23,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:23,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:02:23,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:23,060 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2024-09-13 05:02:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:02:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:02:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:02:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:23,122 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:23,124 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:23,194 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:02:23,208 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:23,233 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:23,235 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:02:23,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:23 BoogieIcfgContainer [2024-09-13 05:02:23,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:23,238 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:23,238 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:23,239 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:23,239 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 05:02:20" (1/4) ... [2024-09-13 05:02:23,239 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d422a1a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:23, skipping insertion in model container [2024-09-13 05:02:23,241 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:22" (2/4) ... [2024-09-13 05:02:23,241 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d422a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:23, skipping insertion in model container [2024-09-13 05:02:23,241 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:22" (3/4) ... [2024-09-13 05:02:23,241 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d422a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:23, skipping insertion in model container [2024-09-13 05:02:23,241 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:23" (4/4) ... [2024-09-13 05:02:23,245 INFO L79 RefereeObserver]: Analyzing ICFG simple_3-2.c [2024-09-13 05:02:23,248 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:02:23,249 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L17-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:02:23,249 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 05:02:23,249 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:02:23,249 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L17-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:02:23,250 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 05:02:23,250 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:02:23,284 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:02:23,285 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:23,285 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:23,286 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:23,289 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:23,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,306 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:02:23,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:23,308 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:23,309 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:23,319 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:23,342 INFO L514 InvariantChecker]: The annotation(s) from loop head L17-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:02:23,356 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:23,357 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:23,357 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:23,357 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:23,358 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:23,358 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,364 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:02:23,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,366 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:23,367 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:23,367 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:23,367 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:23,372 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:02:23,378 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:02:23,378 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:23,379 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:23,379 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:23,379 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:23,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,380 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:02:23,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:23,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:23,381 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:23,381 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:23,383 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:23,389 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:23,389 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:23,389 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:23,389 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:23,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:23,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,394 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:23,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,394 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:23,394 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:23,395 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:23,395 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:23,397 INFO L514 InvariantChecker]: The annotation(s) from loop head L17-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:02:23,410 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:02:23,410 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:23,410 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:23,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:23,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:23,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,416 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:02:23,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:23,416 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:23,417 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:23,417 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:23,417 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:02:23,418 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:02:23,422 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:02:23,424 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3d422a1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:02:23, skipping insertion in model container [2024-09-13 05:02:23,424 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:02:23,427 INFO L158 Benchmark]: Toolchain (without parser) took 797.24ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 58.3MB in the beginning and 103.8MB in the end (delta: -45.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:23,427 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:23,428 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:23,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.49ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 58.1MB in the beginning and 127.8MB in the end (delta: -69.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-09-13 05:02:23,430 INFO L158 Benchmark]: Boogie Preprocessor took 45.08ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:23,431 INFO L158 Benchmark]: RCFGBuilder took 277.66ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 114.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:02:23,432 INFO L158 Benchmark]: Referee took 186.81ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 103.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:02:23,436 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 17. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 127.9MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory was 85.4MB in the beginning and 85.3MB in the end (delta: 153.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.49ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 58.1MB in the beginning and 127.8MB in the end (delta: -69.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.08ms. Allocated memory is still 161.5MB. Free memory was 127.8MB in the beginning and 125.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 277.66ms. Allocated memory is still 161.5MB. Free memory was 125.7MB in the beginning and 114.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 186.81ms. Allocated memory is still 161.5MB. Free memory was 114.3MB in the beginning and 103.8MB in the end (delta: 10.5MB). 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 05:02:23,465 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...