This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:02:59,553 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:59,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:59,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:59,620 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:59,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:59,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:59,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:59,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:59,651 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:59,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:59,653 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:59,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:59,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:59,653 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:59,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:59,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:59,655 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:59,656 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:59,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:59,656 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:59,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:59,657 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:59,657 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:59,657 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:59,657 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:59,658 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:59,658 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:59,660 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:59,661 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:59,661 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:59,661 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:59,661 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:59,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:59,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:59,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:59,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:59,663 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:59,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:59,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:59,663 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:59,664 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:59,664 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:59,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:59,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:59,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:59,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:59,944 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:59,946 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:59,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nest-if3.yml/witness-2.1.yml [2024-09-13 05:02:59,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:59,990 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:59,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/nest-if3.i [2024-09-13 05:03:01,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:03:01,416 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:03:01,417 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/nest-if3.i [2024-09-13 05:03:01,423 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1b73a01c5/5835858f310e4ce8af0471335fd793fd/FLAGea50d5e79 [2024-09-13 05:03:01,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1b73a01c5/5835858f310e4ce8af0471335fd793fd [2024-09-13 05:03:01,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:03:01,440 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:03:01,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:01,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:03:01,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:03:01,448 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 05:02:59" (1/2) ... [2024-09-13 05:03:01,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62104f61 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:01, skipping insertion in model container [2024-09-13 05:03:01,449 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 05:02:59" (1/2) ... [2024-09-13 05:03:01,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3145e3da and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:01, skipping insertion in model container [2024-09-13 05:03:01,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:01" (2/2) ... [2024-09-13 05:03:01,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62104f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01, skipping insertion in model container [2024-09-13 05:03:01,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:01" (2/2) ... [2024-09-13 05:03:01,459 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:03:01,460 INFO L1541 ArrayList]: Loop invariant at [L32-L34] ((1 <= l) && (1 <= i)) [2024-09-13 05:03:01,460 INFO L1541 ArrayList]: Loop invariant at [L31-L37] (1 <= l) [2024-09-13 05:03:01,460 INFO L1541 ArrayList]: Function contract at [L17]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:03:01,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:03:01,614 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-invgen/nest-if3.i[893,906] [2024-09-13 05:03:01,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:01,641 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:03:01,673 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-invgen/nest-if3.i[893,906] Start Parsing Local Start Parsing Local [2024-09-13 05:03:01,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:01,696 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:03:01,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01 WrapperNode [2024-09-13 05:03:01,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:01,698 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:03:01,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:03:01,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:03:01,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (1/1) ... [2024-09-13 05:03:01,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (1/1) ... [2024-09-13 05:03:01,718 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (1/1) ... [2024-09-13 05:03:01,729 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 05:03:01,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (1/1) ... [2024-09-13 05:03:01,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (1/1) ... [2024-09-13 05:03:01,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (1/1) ... [2024-09-13 05:03:01,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (1/1) ... [2024-09-13 05:03:01,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (1/1) ... [2024-09-13 05:03:01,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (1/1) ... [2024-09-13 05:03:01,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:03:01,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:03:01,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:03:01,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:03:01,748 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (1/1) ... [2024-09-13 05:03:01,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:01,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:03:01,777 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 05:03:01,780 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 05:03:01,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:03:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:03:01,826 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:03:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:03:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:03:01,827 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:03:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:03:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:03:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:03:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:03:01,827 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:03:01,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:03:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:03:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:03:01,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:03:01,923 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:03:01,925 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:03:02,084 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:03:02,094 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:03:02,109 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:03:02,110 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:03:02,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:02 BoogieIcfgContainer [2024-09-13 05:03:02,110 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:03:02,111 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:03:02,111 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:03:02,111 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:03:02,111 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 05:02:59" (1/4) ... [2024-09-13 05:03:02,112 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f243d23 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:02, skipping insertion in model container [2024-09-13 05:03:02,112 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:03:01" (2/4) ... [2024-09-13 05:03:02,112 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f243d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:02, skipping insertion in model container [2024-09-13 05:03:02,112 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:01" (3/4) ... [2024-09-13 05:03:02,112 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f243d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:02, skipping insertion in model container [2024-09-13 05:03:02,113 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:02" (4/4) ... [2024-09-13 05:03:02,114 INFO L79 RefereeObserver]: Analyzing ICFG nest-if3.i [2024-09-13 05:03:02,116 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:03:02,117 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:03:02,117 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L31-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 05:03:02,117 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:03:02,118 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:03:02,118 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:03:02,118 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 05:03:02,118 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 05:03:02,118 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-09-13 05:03:02,152 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:03:02,157 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:02,157 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:02,157 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:02,158 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:02,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,180 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:03:02,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,182 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:02,183 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:02,183 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:02,184 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:02,195 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:02,204 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:03:02,204 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:02,204 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:02,204 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:02,204 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:02,204 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,206 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:03:02,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:02,207 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:02,207 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:02,211 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:02,216 INFO L514 InvariantChecker]: The annotation(s) from loop head L31-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:02,223 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:03:02,224 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:02,224 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:02,224 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:02,224 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:02,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,226 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:03:02,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,226 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:02,226 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:02,226 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:02,226 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:02,228 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:03:02,238 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:03:02,238 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:02,239 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:02,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:02,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:02,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,251 INFO L101 BaseMinimizeStates]: Removed 20 edges and 5 locations by large block encoding [2024-09-13 05:03:02,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,252 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:02,252 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:02,252 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:02,262 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:02,267 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:02,275 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:03:02,275 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:02,275 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:02,276 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:02,276 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:02,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,282 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:03:02,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:02,284 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:02,284 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:02,285 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:02,290 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:02,301 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:03:02,301 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:02,301 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:02,301 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:02,301 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:02,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,304 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:03:02,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,304 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:02,304 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:02,304 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:02,305 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:02,306 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:03:02,310 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:03:02,311 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:02,311 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:02,311 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:02,311 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:02,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,312 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:03:02,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:02,313 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:02,313 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:02,313 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:02,313 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:02,314 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:03:02,317 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:03:02,317 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@f243d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:03:02, skipping insertion in model container [2024-09-13 05:03:02,317 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:03:02,320 INFO L158 Benchmark]: Toolchain (without parser) took 877.59ms. Allocated memory is still 172.0MB. Free memory was 141.6MB in the beginning and 116.2MB in the end (delta: 25.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-13 05:03:02,321 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 172.0MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:02,322 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 172.0MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:02,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.15ms. Allocated memory is still 172.0MB. Free memory was 141.6MB in the beginning and 127.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:03:02,323 INFO L158 Benchmark]: Boogie Preprocessor took 48.87ms. Allocated memory is still 172.0MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:03:02,324 INFO L158 Benchmark]: RCFGBuilder took 363.09ms. Allocated memory is still 172.0MB. Free memory was 125.8MB in the beginning and 135.3MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:03:02,325 INFO L158 Benchmark]: Referee took 206.63ms. Allocated memory is still 172.0MB. Free memory was 135.3MB in the beginning and 116.2MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 05:03:02,327 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 32 to loop head at line 31. 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 19. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 31. 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 32 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from loop head at line 31 to loop head at line 32. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 172.0MB. Free memory is still 140.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.08ms. Allocated memory is still 172.0MB. Free memory is still 138.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.15ms. Allocated memory is still 172.0MB. Free memory was 141.6MB in the beginning and 127.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.87ms. Allocated memory is still 172.0MB. Free memory was 127.9MB in the beginning and 125.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.09ms. Allocated memory is still 172.0MB. Free memory was 125.8MB in the beginning and 135.3MB in the end (delta: -9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 206.63ms. Allocated memory is still 172.0MB. Free memory was 135.3MB in the beginning and 116.2MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:03:02,352 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...