This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:05,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:05,861 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:05,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:05,868 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:05,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:05,896 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:05,897 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:05,897 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:05,898 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:05,898 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:05,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:05,899 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:05,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:05,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:05,902 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:05,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:05,902 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:05,902 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:05,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:05,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:05,906 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:05,907 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:05,907 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:05,907 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:05,907 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:05,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:05,908 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:05,908 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:05,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:05,909 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:05,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:06,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:06,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:06,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:06,265 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:06,265 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:06,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/mine2017-ex4.7.yml/witness-2.1.yml [2024-10-15 15:31:06,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:06,321 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:06,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-10-15 15:31:07,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:08,084 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:08,085 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-10-15 15:31:08,091 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a17402a2c/1a1bebefa084454ab86e46580de59697/FLAGa4d9d918d [2024-10-15 15:31:08,106 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a17402a2c/1a1bebefa084454ab86e46580de59697 [2024-10-15 15:31:08,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:08,108 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:08,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:08,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:08,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:08,116 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 03:31:06" (1/2) ... [2024-10-15 15:31:08,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6d56e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:08, skipping insertion in model container [2024-10-15 15:31:08,117 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 03:31:06" (1/2) ... [2024-10-15 15:31:08,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a8d7a44 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:08, skipping insertion in model container [2024-10-15 15:31:08,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:08" (2/2) ... [2024-10-15 15:31:08,119 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6d56e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08, skipping insertion in model container [2024-10-15 15:31:08,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:08" (2/2) ... [2024-10-15 15:31:08,129 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:08,130 INFO L1541 ArrayList]: Loop invariant at [L17-L25] ((0 <= x) && (x <= 40)) [2024-10-15 15:31:08,132 INFO L1541 ArrayList]: Function contract at [L13]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:31:08,153 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:08,323 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-ex4.7.i[812,825] [2024-10-15 15:31:08,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:08,348 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:08,396 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-ex4.7.i[812,825] Start Parsing Local [2024-10-15 15:31:08,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:08,419 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:08,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08 WrapperNode [2024-10-15 15:31:08,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:08,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:08,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:08,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:08,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,440 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:08,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:08,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:08,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:08,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:08,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,456 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,469 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 15:31:08,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,479 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:08,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:08,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:08,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:08,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (1/1) ... [2024-10-15 15:31:08,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:08,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:08,516 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 15:31:08,522 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 15:31:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:08,636 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:08,639 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:08,781 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:08,798 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:08,823 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:08,823 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:08,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:08 BoogieIcfgContainer [2024-10-15 15:31:08,824 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:08,824 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:08,825 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:08,826 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:08,826 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 03:31:06" (1/4) ... [2024-10-15 15:31:08,828 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70e5fa42 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:08, skipping insertion in model container [2024-10-15 15:31:08,828 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:08" (2/4) ... [2024-10-15 15:31:08,828 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70e5fa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:08, skipping insertion in model container [2024-10-15 15:31:08,829 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:08" (3/4) ... [2024-10-15 15:31:08,829 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70e5fa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:08, skipping insertion in model container [2024-10-15 15:31:08,829 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:08" (4/4) ... [2024-10-15 15:31:08,831 INFO L79 RefereeObserver]: Analyzing ICFG mine2017-ex4.7.i [2024-10-15 15:31:08,838 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:08,839 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 15:31:08,840 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 15:31:08,840 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 15:31:08,840 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-10-15 15:31:08,841 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 15:31:08,841 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 15:31:08,841 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:31:08,891 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:31:08,892 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:08,893 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:08,894 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:08,896 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:08,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:08,924 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:31:08,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:08,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:08,926 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:08,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:08,927 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:08,945 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:08,955 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:31:08,955 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:08,955 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:08,955 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:08,956 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:08,956 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:08,962 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:31:08,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:08,962 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:08,963 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:08,963 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:08,963 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:08,965 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:08,977 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:31:08,978 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:08,978 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:08,978 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:08,979 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:08,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:08,980 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:31:08,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:08,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:08,980 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:08,981 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:08,981 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:08,985 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:08,994 INFO L309 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-10-15 15:31:08,994 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:08,994 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:08,995 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:08,995 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:08,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:09,043 INFO L101 BaseMinimizeStates]: Removed 20 edges and 8 locations by large block encoding [2024-10-15 15:31:09,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:09,044 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:09,044 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:09,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:09,061 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:09,071 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:09,081 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:09,082 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:09,082 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:09,082 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:09,082 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:09,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:09,086 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:09,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:09,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:09,086 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:09,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:09,087 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:09,089 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:09,099 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:09,100 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:09,100 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:09,100 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:09,100 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:09,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:09,102 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:09,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:09,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:09,106 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:09,106 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:09,106 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:09,110 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:09,114 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:09,114 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70e5fa42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:09, skipping insertion in model container [2024-10-15 15:31:09,114 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:09,116 INFO L158 Benchmark]: Toolchain (without parser) took 1006.80ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 35.8MB in the beginning and 58.1MB in the end (delta: -22.3MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:09,116 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:09,117 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:09,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.55ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 35.6MB in the beginning and 64.6MB in the end (delta: -28.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-10-15 15:31:09,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.39ms. Allocated memory is still 86.0MB. Free memory was 64.6MB in the beginning and 63.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:09,118 INFO L158 Benchmark]: Boogie Preprocessor took 42.11ms. Allocated memory is still 86.0MB. Free memory was 63.5MB in the beginning and 62.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:09,119 INFO L158 Benchmark]: RCFGBuilder took 339.61ms. Allocated memory is still 86.0MB. Free memory was 61.8MB in the beginning and 51.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:09,119 INFO L158 Benchmark]: Referee took 289.83ms. Allocated memory is still 86.0MB. Free memory was 51.3MB in the beginning and 58.1MB in the end (delta: -6.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:09,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from loop head at line 17 to loop head at line 17. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 17. Annotation is valid for all loop-free paths from loop head at line 17 to check that procedure precondition always holds at line 18. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory is still 34.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.55ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 35.6MB in the beginning and 64.6MB in the end (delta: -28.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.39ms. Allocated memory is still 86.0MB. Free memory was 64.6MB in the beginning and 63.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.11ms. Allocated memory is still 86.0MB. Free memory was 63.5MB in the beginning and 62.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.61ms. Allocated memory is still 86.0MB. Free memory was 61.8MB in the beginning and 51.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 289.83ms. Allocated memory is still 86.0MB. Free memory was 51.3MB in the beginning and 58.1MB in the end (delta: -6.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:09,165 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...