This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:07,996 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:08,072 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:08,077 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:08,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:08,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:08,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:08,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:08,107 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:08,108 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:08,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:08,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:08,109 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:08,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:08,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:08,111 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:08,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:08,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:08,112 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:08,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:08,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:08,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:08,113 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:08,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:08,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:08,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:08,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:08,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:08,115 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:08,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:08,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:08,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:08,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:08,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:08,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:08,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:08,472 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:08,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-10-15 15:31:10,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:10,293 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:10,293 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.8.i [2024-10-15 15:31:10,304 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/570272dac/0ecd98301e924f8abce5f3cba449f1db/FLAGee14e59ce [2024-10-15 15:31:10,326 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/570272dac/0ecd98301e924f8abce5f3cba449f1db [2024-10-15 15:31:10,331 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:10,332 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:10,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.8.yml/witness-2.1.yml [2024-10-15 15:31:10,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:10,390 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:10,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:10,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:10,397 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:10,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:10" (1/2) ... [2024-10-15 15:31:10,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3868ed81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10, skipping insertion in model container [2024-10-15 15:31:10,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:10" (1/2) ... [2024-10-15 15:31:10,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cd14a2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:10, skipping insertion in model container [2024-10-15 15:31:10,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:10" (2/2) ... [2024-10-15 15:31:10,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3868ed81 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:10, skipping insertion in model container [2024-10-15 15:31:10,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:10" (2/2) ... [2024-10-15 15:31:10,426 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:10,426 INFO L1541 ArrayList]: Loop invariant at [L17-L22] ((v <= 1) && (0 <= v)) [2024-10-15 15:31:10,426 INFO L1541 ArrayList]: Function contract at [L13]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:31:10,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:10,632 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-lit/mine2017-ex4.8.i[812,825] [2024-10-15 15:31:10,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:10,653 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:10,689 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-lit/mine2017-ex4.8.i[812,825] Start Parsing Local [2024-10-15 15:31:10,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:10,708 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:10,709 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:10 WrapperNode [2024-10-15 15:31:10,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:10,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:10,711 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:10,711 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:10,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,722 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,727 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:10,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:10,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:10,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:10,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:10,737 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 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,738 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 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,739 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 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,747 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 [2024-10-15 15:31:10,751 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 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,751 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 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,753 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 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,755 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 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,757 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 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,758 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 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:10,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:10,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:10,762 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:10,762 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 15.10 03:31:10" (1/1) ... [2024-10-15 15:31:10,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:10,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:10,791 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) [2024-10-15 15:31:10,794 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 [2024-10-15 15:31:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:10,843 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:10,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:10,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:10,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:10,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:10,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:10,900 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:10,902 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:11,009 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:11,026 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:11,061 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:11,065 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:11,065 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:11 BoogieIcfgContainer [2024-10-15 15:31:11,066 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:11,066 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:11,066 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:11,067 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:11,067 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:10" (1/4) ... [2024-10-15 15:31:11,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12210b53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:11, skipping insertion in model container [2024-10-15 15:31:11,068 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:10" (2/4) ... [2024-10-15 15:31:11,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12210b53 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:11, skipping insertion in model container [2024-10-15 15:31:11,068 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 15.10 03:31:10" (3/4) ... [2024-10-15 15:31:11,069 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12210b53 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:11, skipping insertion in model container [2024-10-15 15:31:11,069 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:11" (4/4) ... [2024-10-15 15:31:11,070 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.8.i [2024-10-15 15:31:11,075 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:11,075 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:11,075 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:11,076 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:31:11,076 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:31:11,076 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:11,076 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:11,076 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:11,118 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:31:11,120 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:11,121 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:11,121 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:11,122 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:11,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,152 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:31:11,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:11,155 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:11,156 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:11,156 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:11,174 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:11,188 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:31:11,189 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:11,189 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:11,189 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:11,189 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:11,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,197 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:31:11,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:11,197 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:11,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:11,200 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:11,202 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:11,211 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:31:11,213 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:11,213 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:11,213 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:11,214 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:11,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,215 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:31:11,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,217 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:11,217 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:11,217 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:11,217 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:11,222 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:11,234 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:31:11,238 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:11,238 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:11,238 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:11,239 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:11,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,263 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:31:11,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,264 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:11,264 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:11,264 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:11,271 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:11,274 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:11,281 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:11,282 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:11,282 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:11,282 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:11,283 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:11,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,285 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:11,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,287 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:11,287 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:11,287 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:11,288 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:11,290 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:11,298 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:11,299 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:11,299 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:11,299 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:11,299 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:11,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,301 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:11,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:11,302 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:11,302 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:11,303 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:11,303 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:11,305 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:11,310 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:11,311 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@12210b53 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:11, skipping insertion in model container [2024-10-15 15:31:11,311 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:11,313 INFO L158 Benchmark]: Toolchain (without parser) took 922.49ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 39.9MB in the end (delta: -670.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:11,314 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 54.5MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:11,315 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 41.3MB in the beginning and 41.1MB in the end (delta: 228.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:11,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.41ms. Allocated memory is still 77.6MB. Free memory was 39.0MB in the beginning and 45.2MB in the end (delta: -6.2MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:11,316 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.46ms. Allocated memory is still 77.6MB. Free memory was 45.2MB in the beginning and 44.3MB in the end (delta: 910.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:11,317 INFO L158 Benchmark]: Boogie Preprocessor took 31.72ms. Allocated memory is still 77.6MB. Free memory was 44.3MB in the beginning and 42.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:11,318 INFO L158 Benchmark]: RCFGBuilder took 304.67ms. Allocated memory is still 77.6MB. Free memory was 42.6MB in the beginning and 55.3MB in the end (delta: -12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:11,318 INFO L158 Benchmark]: Referee took 244.89ms. Allocated memory is still 77.6MB. Free memory was 55.3MB in the beginning and 39.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:11,322 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. 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 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. Annotation is valid for all loop-free paths from 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 54.5MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 77.6MB. Free memory was 41.3MB in the beginning and 41.1MB in the end (delta: 228.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.41ms. Allocated memory is still 77.6MB. Free memory was 39.0MB in the beginning and 45.2MB in the end (delta: -6.2MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 17.46ms. Allocated memory is still 77.6MB. Free memory was 45.2MB in the beginning and 44.3MB in the end (delta: 910.8kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.72ms. Allocated memory is still 77.6MB. Free memory was 44.3MB in the beginning and 42.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 304.67ms. Allocated memory is still 77.6MB. Free memory was 42.6MB in the beginning and 55.3MB in the end (delta: -12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 244.89ms. Allocated memory is still 77.6MB. Free memory was 55.3MB in the beginning and 39.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:11,345 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...