This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:48:14,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:14,261 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:14,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:14,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:14,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:14,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:14,301 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:14,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:14,302 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:14,302 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:14,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:14,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:14,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:14,304 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:14,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:14,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:14,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:14,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:14,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:14,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:14,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:14,312 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:14,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:14,313 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:14,313 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:14,313 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:14,313 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:14,314 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:14,314 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:14,314 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:14,314 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:14,315 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:14,315 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:14,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:14,317 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:14,317 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:14,318 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:14,318 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:14,318 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:14,318 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:14,319 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:14,319 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:14,319 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:14,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:14,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:14,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:14,607 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:14,608 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:14,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/odd.yml/witness-2.1.yml [2024-09-21 12:48:14,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:14,694 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:14,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invariants/odd.c [2024-09-21 12:48:16,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:16,316 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:16,316 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/odd.c [2024-09-21 12:48:16,323 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/67afa849b/82c7aeb0934b494f9a1289206c1874ff/FLAGe481c2a71 [2024-09-21 12:48:16,339 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/67afa849b/82c7aeb0934b494f9a1289206c1874ff [2024-09-21 12:48:16,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:16,340 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:16,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:16,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:16,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:16,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:14" (1/2) ... [2024-09-21 12:48:16,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cef2568 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:16, skipping insertion in model container [2024-09-21 12:48:16,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:14" (1/2) ... [2024-09-21 12:48:16,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@19a285d3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:16, skipping insertion in model container [2024-09-21 12:48:16,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:16" (2/2) ... [2024-09-21 12:48:16,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cef2568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16, skipping insertion in model container [2024-09-21 12:48:16,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:16" (2/2) ... [2024-09-21 12:48:16,356 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:16,357 INFO L1541 ArrayList]: Loop invariant at [L20-L22] ((((long long) x + 1) % 2) < 1) [2024-09-21 12:48:16,358 INFO L1541 ArrayList]: Function contract at [L12]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:48:16,372 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:16,524 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/odd.c[579,592] [2024-09-21 12:48:16,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:16,544 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:48:16,575 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/odd.c[579,592] Start Parsing Local [2024-09-21 12:48:16,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:16,599 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:16,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16 WrapperNode [2024-09-21 12:48:16,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:16,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:16,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:16,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:16,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (1/1) ... [2024-09-21 12:48:16,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (1/1) ... [2024-09-21 12:48:16,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (1/1) ... [2024-09-21 12:48:16,635 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 [2024-09-21 12:48:16,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (1/1) ... [2024-09-21 12:48:16,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (1/1) ... [2024-09-21 12:48:16,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (1/1) ... [2024-09-21 12:48:16,646 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (1/1) ... [2024-09-21 12:48:16,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (1/1) ... [2024-09-21 12:48:16,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (1/1) ... [2024-09-21 12:48:16,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:16,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:16,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:16,657 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:16,658 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (1/1) ... [2024-09-21 12:48:16,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:16,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:16,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-21 12:48:16,700 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-21 12:48:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:16,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:16,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:16,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:48:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:16,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:16,812 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:16,816 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:16,933 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:16,953 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:17,000 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:17,000 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:48:17,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:17 BoogieIcfgContainer [2024-09-21 12:48:17,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:17,002 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:17,002 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:17,004 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:17,005 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:14" (1/4) ... [2024-09-21 12:48:17,005 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e90e72d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:17, skipping insertion in model container [2024-09-21 12:48:17,005 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:16" (2/4) ... [2024-09-21 12:48:17,006 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e90e72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:17, skipping insertion in model container [2024-09-21 12:48:17,006 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:16" (3/4) ... [2024-09-21 12:48:17,006 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e90e72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:17, skipping insertion in model container [2024-09-21 12:48:17,006 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:17" (4/4) ... [2024-09-21 12:48:17,009 INFO L79 RefereeObserver]: Analyzing ICFG odd.c [2024-09-21 12:48:17,014 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:48:17,015 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:48:17,015 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:48:17,015 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:17,015 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:17,016 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:17,016 INFO L131 InvariantChecker]: Will check 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, 1 loop-free subgraphs from loop head to error location [2024-09-21 12:48:17,065 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:48:17,106 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:17,107 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:17,107 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:17,108 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:17,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:17,143 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:48:17,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:17,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:17,145 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:17,145 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:17,146 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:17,204 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:17,216 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:48:17,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:17,219 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:17,219 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:17,219 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:17,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:17,221 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:48:17,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:17,223 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:17,223 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:17,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:17,223 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:17,228 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:17,235 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:17,236 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:17,236 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:17,236 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:17,236 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:17,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:17,244 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:17,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:17,245 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:17,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:17,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:17,250 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:17,255 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:48:17,264 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:48:17,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:17,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:17,265 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:17,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:17,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:17,270 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:48:17,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:17,272 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:17,272 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:17,272 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:17,273 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:17,275 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:17,283 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:48:17,284 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:17,284 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:17,284 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:17,284 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:17,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:17,287 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:48:17,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:17,288 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:17,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:17,289 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:17,289 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:17,291 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:48:17,294 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:48:17,294 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7e90e72d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:48:17, skipping insertion in model container [2024-09-21 12:48:17,294 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:48:17,298 INFO L158 Benchmark]: Toolchain (without parser) took 954.88ms. Allocated memory is still 192.9MB. Free memory was 119.5MB in the beginning and 153.5MB in the end (delta: -34.0MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2024-09-21 12:48:17,298 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 192.9MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:17,299 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:17,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.78ms. Allocated memory is still 192.9MB. Free memory was 119.5MB in the beginning and 106.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:17,301 INFO L158 Benchmark]: Boogie Preprocessor took 52.17ms. Allocated memory is still 192.9MB. Free memory was 106.4MB in the beginning and 104.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:48:17,302 INFO L158 Benchmark]: RCFGBuilder took 347.33ms. Allocated memory is still 192.9MB. Free memory was 104.6MB in the beginning and 92.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:48:17,302 INFO L158 Benchmark]: Referee took 292.89ms. Allocated memory is still 192.9MB. Free memory was 92.5MB in the beginning and 153.5MB in the end (delta: -61.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-09-21 12:48:17,305 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 check that a call to reach_error is unreachable at line 14. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 20. Annotation is valid for all loop-free paths from loop head at line 20 to check that procedure precondition always holds at line 20. 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 20 to loop head at line 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 192.9MB. Free memory is still 150.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 192.9MB. Free memory is still 165.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.78ms. Allocated memory is still 192.9MB. Free memory was 119.5MB in the beginning and 106.6MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.17ms. Allocated memory is still 192.9MB. Free memory was 106.4MB in the beginning and 104.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.33ms. Allocated memory is still 192.9MB. Free memory was 104.6MB in the beginning and 92.5MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 292.89ms. Allocated memory is still 192.9MB. Free memory was 92.5MB in the beginning and 153.5MB in the end (delta: -61.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:48:17,337 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...