This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:51,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:51,662 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:51,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:51,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:51,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:51,701 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:51,702 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:51,702 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:51,702 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:51,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:51,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:51,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:51,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:51,704 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:51,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:51,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:51,705 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:51,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:51,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:51,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:51,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:51,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:51,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:51,707 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:51,708 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:51,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:51,708 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:51,708 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:51,709 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:51,709 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:51,709 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:51,709 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:51,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:51,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:51,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:51,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:51,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:51,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:51,711 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:51,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:51,712 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:51,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:51,713 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:51,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:51,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:51,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:51,989 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:51,990 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:51,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-09-13 10:07:53,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:53,620 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:53,621 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.6.i [2024-09-13 10:07:53,630 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/249dd26f0/26f0a91d212945f5bd4293e06cf040ed/FLAGae306b485 [2024-09-13 10:07:54,028 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/249dd26f0/26f0a91d212945f5bd4293e06cf040ed [2024-09-13 10:07:54,031 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:54,032 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:54,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.6.yml/witness-2.1.yml [2024-09-13 10:07:54,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:54,078 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:54,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:54,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:54,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:54,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:54" (1/2) ... [2024-09-13 10:07:54,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fcdb0e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:54, skipping insertion in model container [2024-09-13 10:07:54,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:54" (1/2) ... [2024-09-13 10:07:54,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@734eda51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:54, skipping insertion in model container [2024-09-13 10:07:54,087 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 10:07:54" (2/2) ... [2024-09-13 10:07:54,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fcdb0e1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54, skipping insertion in model container [2024-09-13 10:07:54,088 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 10:07:54" (2/2) ... [2024-09-13 10:07:54,094 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:54,095 INFO L1541 ArrayList]: Loop invariant at [L16-L20] ((0 <= x) && (x <= 40)) [2024-09-13 10:07:54,095 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:07:54,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:54,257 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-lit/mine2017-ex4.6.i[812,825] [2024-09-13 10:07:54,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:54,281 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:07:54,323 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-lit/mine2017-ex4.6.i[812,825] Start Parsing Local [2024-09-13 10:07:54,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:54,344 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:54,344 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54 WrapperNode [2024-09-13 10:07:54,345 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:54,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:54,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:54,346 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:54,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (1/1) ... [2024-09-13 10:07:54,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (1/1) ... [2024-09-13 10:07:54,365 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (1/1) ... [2024-09-13 10:07:54,374 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 10:07:54,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (1/1) ... [2024-09-13 10:07:54,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (1/1) ... [2024-09-13 10:07:54,382 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (1/1) ... [2024-09-13 10:07:54,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (1/1) ... [2024-09-13 10:07:54,390 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (1/1) ... [2024-09-13 10:07:54,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (1/1) ... [2024-09-13 10:07:54,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:54,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:54,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:54,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:54,396 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (1/1) ... [2024-09-13 10:07:54,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:54,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:54,425 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 10:07:54,427 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 10:07:54,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:54,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:54,470 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:54,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:07:54,470 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:07:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:07:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:54,471 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:07:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:07:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:07:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:54,530 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:54,532 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:54,622 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:07:54,637 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:54,666 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:54,667 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:07:54,668 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:54 BoogieIcfgContainer [2024-09-13 10:07:54,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:54,671 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:54,671 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:54,672 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:54,672 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:54" (1/4) ... [2024-09-13 10:07:54,672 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fe4b957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:54, skipping insertion in model container [2024-09-13 10:07:54,672 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 10:07:54" (2/4) ... [2024-09-13 10:07:54,673 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fe4b957 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:54, skipping insertion in model container [2024-09-13 10:07:54,673 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:54" (3/4) ... [2024-09-13 10:07:54,673 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fe4b957 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:54, skipping insertion in model container [2024-09-13 10:07:54,675 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:54" (4/4) ... [2024-09-13 10:07:54,677 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.6.i [2024-09-13 10:07:54,681 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:07:54,682 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:07:54,682 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 10:07:54,683 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 10:07:54,683 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:07:54,683 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 10:07:54,684 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 10:07:54,684 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L19-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:07:54,685 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 10:07:54,718 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:07:54,720 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:54,720 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:54,721 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:54,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:54,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,736 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:07:54,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,738 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:54,738 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:54,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:54,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:54,756 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:54,770 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:07:54,771 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:54,771 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:54,771 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:54,771 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:54,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,781 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:07:54,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:54,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:54,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:54,782 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:54,787 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:54,796 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:07:54,796 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:54,797 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:54,797 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:54,797 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:54,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,799 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:07:54,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:54,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:54,800 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:54,800 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:54,806 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:54,815 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:54,816 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:54,816 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:54,816 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:54,816 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:54,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,819 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:54,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,820 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:54,820 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:54,820 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:54,820 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:54,822 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:54,831 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:54,831 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:54,831 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:54,831 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:54,832 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:54,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,835 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:54,836 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,836 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:54,836 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:54,836 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:54,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:54,844 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:07:54,855 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:54,859 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:54,860 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:54,860 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:54,860 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:54,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,862 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:54,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,862 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:54,863 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:54,863 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:54,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:54,869 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:07:54,881 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:07:54,881 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:54,881 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:54,882 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:54,882 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:54,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,887 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:07:54,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:54,888 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:54,888 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:54,888 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:54,889 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:54,895 INFO L514 InvariantChecker]: The annotation(s) from loop head L19-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:54,899 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:07:54,899 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2fe4b957 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:54, skipping insertion in model container [2024-09-13 10:07:54,899 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:07:54,901 INFO L158 Benchmark]: Toolchain (without parser) took 821.99ms. Allocated memory is still 172.0MB. Free memory was 115.7MB in the beginning and 73.7MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-13 10:07:54,902 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:54,902 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:54,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.29ms. Allocated memory is still 172.0MB. Free memory was 115.2MB in the beginning and 102.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:07:54,904 INFO L158 Benchmark]: Boogie Preprocessor took 47.77ms. Allocated memory is still 172.0MB. Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:54,905 INFO L158 Benchmark]: RCFGBuilder took 275.46ms. Allocated memory is still 172.0MB. Free memory was 100.5MB in the beginning and 89.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 10:07:54,905 INFO L158 Benchmark]: Referee took 229.05ms. Allocated memory is still 172.0MB. Free memory was 89.1MB in the beginning and 73.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:54,908 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 16 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from loop head at line 16 to check that procedure precondition always holds at line 19. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 16 to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 16 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 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 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 172.0MB. Free memory is still 135.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 117.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.29ms. Allocated memory is still 172.0MB. Free memory was 115.2MB in the beginning and 102.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.77ms. Allocated memory is still 172.0MB. Free memory was 102.1MB in the beginning and 100.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 275.46ms. Allocated memory is still 172.0MB. Free memory was 100.5MB in the beginning and 89.1MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 229.05ms. Allocated memory is still 172.0MB. Free memory was 89.1MB in the beginning and 73.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:54,931 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...