This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:27,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:27,115 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:27,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:27,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:27,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:27,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:27,153 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:27,154 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:27,156 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:27,156 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:27,157 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:27,157 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:27,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:27,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:27,161 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:27,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:27,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:27,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:27,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:27,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:27,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:27,163 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:27,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:27,166 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:27,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:27,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:27,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:27,168 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:27,168 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:27,168 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:27,168 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:27,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:27,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:27,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:27,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:27,542 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:27,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-10-15 15:30:29,167 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:29,346 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:29,347 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-10-15 15:30:29,359 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/43186bf77/c4598c6c47cd4bd8a1911d1903b09950/FLAGaf54579a0 [2024-10-15 15:30:29,376 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/43186bf77/c4598c6c47cd4bd8a1911d1903b09950 [2024-10-15 15:30:29,379 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:29,380 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:29,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.yml/witness-2.1.yml [2024-10-15 15:30:29,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:29,434 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:29,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:29,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:29,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:29,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:29" (1/2) ... [2024-10-15 15:30:29,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65872eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:29, skipping insertion in model container [2024-10-15 15:30:29,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:29" (1/2) ... [2024-10-15 15:30:29,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@25251ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:29, skipping insertion in model container [2024-10-15 15:30:29,446 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 03:30:29" (2/2) ... [2024-10-15 15:30:29,447 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65872eff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:29, skipping insertion in model container [2024-10-15 15:30:29,447 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 03:30:29" (2/2) ... [2024-10-15 15:30:29,454 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:29,457 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((x == 1) && (1 <= y)) [2024-10-15 15:30:29,457 INFO L1541 ArrayList]: Function contract at [L10]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:30:29,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:29,684 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-acceleration/phases_2-2.c[459,472] [2024-10-15 15:30:29,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:29,709 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:29,747 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-acceleration/phases_2-2.c[459,472] Start Parsing Local [2024-10-15 15:30:29,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:29,768 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:29,769 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:29 WrapperNode [2024-10-15 15:30:29,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:29,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:29,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:29,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:29,777 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,783 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,791 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:29,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:29,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:29,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:29,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:29,802 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,802 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,803 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,816 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 15:30:29,816 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,816 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,818 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,821 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,822 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,823 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,824 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:29,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:29,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:29,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:29,828 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 03:30:29" (1/1) ... [2024-10-15 15:30:29,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:29,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:29,857 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 15:30:29,861 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 15:30:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:29,977 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:29,980 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:30,114 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:30,130 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:30,155 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:30,156 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:30,156 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:30 BoogieIcfgContainer [2024-10-15 15:30:30,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:30,157 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:30,157 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:30,158 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:30,158 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:29" (1/4) ... [2024-10-15 15:30:30,159 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e9c839b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:30, skipping insertion in model container [2024-10-15 15:30:30,159 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 03:30:29" (2/4) ... [2024-10-15 15:30:30,159 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e9c839b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:30, skipping insertion in model container [2024-10-15 15:30:30,159 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 03:30:29" (3/4) ... [2024-10-15 15:30:30,160 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e9c839b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:30, skipping insertion in model container [2024-10-15 15:30:30,160 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 03:30:30" (4/4) ... [2024-10-15 15:30:30,161 INFO L79 RefereeObserver]: Analyzing ICFG phases_2-2.c [2024-10-15 15:30:30,166 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:30,167 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:30:30,168 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:30:30,168 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:30:30,168 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 15:30:30,168 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 15:30:30,169 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:30:30,202 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:30:30,203 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:30,204 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:30,204 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:30,205 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:30,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,231 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:30:30,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,232 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:30,233 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:30,233 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:30,239 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:30,256 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:30,267 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:30,268 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:30,268 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:30,268 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:30,275 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:30,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,279 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:30,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,279 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:30,280 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:30,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:30,283 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:30,295 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:30,305 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:30,306 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:30,306 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:30,306 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:30,306 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:30,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,324 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:30,325 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,325 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:30,325 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:30,325 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:30,330 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:34,334 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:30:34,349 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:34,349 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:34,349 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:34,349 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:34,349 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:34,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:34,353 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:34,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:34,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:34,354 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:34,354 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:34,354 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:34,357 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:34,365 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:34,365 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:34,365 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:34,365 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:34,366 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:34,366 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:34,368 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:34,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:34,368 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:34,368 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:34,369 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:34,369 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:34,370 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:34,374 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:30:34,374 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e9c839b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:34, skipping insertion in model container [2024-10-15 15:30:34,374 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:34,376 INFO L158 Benchmark]: Toolchain (without parser) took 4941.44ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 48.5MB in the end (delta: -3.9MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:34,376 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:34,377 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 79.7MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:34,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.84ms. Allocated memory is still 79.7MB. Free memory was 44.4MB in the beginning and 50.7MB in the end (delta: -6.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-10-15 15:30:34,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.00ms. Allocated memory is still 79.7MB. Free memory was 50.7MB in the beginning and 49.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:34,379 INFO L158 Benchmark]: Boogie Preprocessor took 33.17ms. Allocated memory is still 79.7MB. Free memory was 49.6MB in the beginning and 48.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:34,379 INFO L158 Benchmark]: RCFGBuilder took 330.34ms. Allocated memory is still 79.7MB. Free memory was 47.9MB in the beginning and 37.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:30:34,380 INFO L158 Benchmark]: Referee took 4217.23ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 48.5MB in the end (delta: -11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:30:34,383 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. 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 12. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. 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 23 to check that procedure precondition always holds at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 34.8MB in the beginning and 34.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.19ms. Allocated memory is still 79.7MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.84ms. Allocated memory is still 79.7MB. Free memory was 44.4MB in the beginning and 50.7MB in the end (delta: -6.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.00ms. Allocated memory is still 79.7MB. Free memory was 50.7MB in the beginning and 49.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.17ms. Allocated memory is still 79.7MB. Free memory was 49.6MB in the beginning and 48.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.34ms. Allocated memory is still 79.7MB. Free memory was 47.9MB in the beginning and 37.1MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 4217.23ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 48.5MB in the end (delta: -11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:30:34,406 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... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:36,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:36,559 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:30:36,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:36,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:36,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:36,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:36,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:36,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:36,594 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:36,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:36,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:36,595 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:36,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:36,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:36,596 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:36,596 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:36,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:36,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:36,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:36,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:36,603 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:30:36,603 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:30:36,604 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:36,604 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:30:36,604 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:36,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:36,605 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:36,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:36,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:36,606 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:36,606 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:36,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:36,610 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:36,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:36,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:36,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:36,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:36,972 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:36,973 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-10-15 15:30:38,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:38,624 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:38,625 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2024-10-15 15:30:38,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/77e67614d/0a84adaa7b334dae9f4f1a362838eb18/FLAGfc319c901 [2024-10-15 15:30:39,010 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/77e67614d/0a84adaa7b334dae9f4f1a362838eb18 [2024-10-15 15:30:39,012 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:39,013 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:39,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/phases_2-2.yml/witness-2.1.yml [2024-10-15 15:30:39,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:39,067 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:39,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:39,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:39,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:39,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:39" (1/2) ... [2024-10-15 15:30:39,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396dc7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:39, skipping insertion in model container [2024-10-15 15:30:39,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:39" (1/2) ... [2024-10-15 15:30:39,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ce37512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:39, skipping insertion in model container [2024-10-15 15:30:39,084 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 03:30:39" (2/2) ... [2024-10-15 15:30:39,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@396dc7a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:39, skipping insertion in model container [2024-10-15 15:30:39,084 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 03:30:39" (2/2) ... [2024-10-15 15:30:39,094 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:39,094 INFO L1541 ArrayList]: Loop invariant at [L23-L29] ((x == 1) && (1 <= y)) [2024-10-15 15:30:39,095 INFO L1541 ArrayList]: Function contract at [L10]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:30:39,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:39,317 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-acceleration/phases_2-2.c[459,472] [2024-10-15 15:30:39,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:39,343 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:39,383 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-acceleration/phases_2-2.c[459,472] Start Parsing Local [2024-10-15 15:30:39,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:39,404 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:39,405 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:39 WrapperNode [2024-10-15 15:30:39,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:39,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:39,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:39,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:39,413 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,421 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,427 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:39,427 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:39,429 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:39,429 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:39,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:39,438 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,439 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,443 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,453 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 15:30:39,454 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,454 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,457 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,461 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,465 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,466 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:39,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:39,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:39,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:39,473 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 03:30:39" (1/1) ... [2024-10-15 15:30:39,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:39,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:39,504 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 15:30:39,510 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 15:30:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:30:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:39,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:39,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:39,618 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:39,620 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:39,814 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:39,838 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:39,877 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:39,877 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:30:39,878 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:39 BoogieIcfgContainer [2024-10-15 15:30:39,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:39,879 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:39,879 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:39,880 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:39,880 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:39" (1/4) ... [2024-10-15 15:30:39,881 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29cc464a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:39, skipping insertion in model container [2024-10-15 15:30:39,882 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 03:30:39" (2/4) ... [2024-10-15 15:30:39,882 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29cc464a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:39, skipping insertion in model container [2024-10-15 15:30:39,882 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 03:30:39" (3/4) ... [2024-10-15 15:30:39,882 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29cc464a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:39, skipping insertion in model container [2024-10-15 15:30:39,883 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 03:30:39" (4/4) ... [2024-10-15 15:30:39,884 INFO L79 RefereeObserver]: Analyzing ICFG phases_2-2.c [2024-10-15 15:30:39,888 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:30:39,889 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:30:39,889 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:30:39,889 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:30:39,889 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 15:30:39,890 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 15:30:39,890 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to error location [2024-10-15 15:30:39,929 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:30:39,932 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:39,933 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:39,933 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:39,934 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:39,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:39,958 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:30:39,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:39,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:39,960 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:39,960 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:39,967 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:39,991 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:40,011 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:40,012 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:40,012 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:40,012 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:40,012 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:40,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,014 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:40,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,017 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:40,017 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:40,017 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:40,017 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:40,025 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:40,039 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:40,039 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:40,039 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:40,040 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:40,040 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:40,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,052 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:40,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,056 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:40,056 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:40,056 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:40,062 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:40,089 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:40,107 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:40,108 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:40,108 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:40,108 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:40,109 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:40,109 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,115 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:40,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,116 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:40,116 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:40,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:40,117 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:40,118 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:40,125 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:40,126 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:40,126 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:40,126 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:40,126 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:40,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,129 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:40,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:40,129 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:40,130 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:40,130 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:40,130 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:40,132 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:40,137 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:40,138 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@29cc464a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:40, skipping insertion in model container [2024-10-15 15:30:40,138 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:40,140 INFO L158 Benchmark]: Toolchain (without parser) took 1072.82ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 37.8MB in the beginning and 65.9MB in the end (delta: -28.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-10-15 15:30:40,141 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:40,142 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 77.6MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:40,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.42ms. Allocated memory is still 77.6MB. Free memory was 37.5MB in the beginning and 49.1MB in the end (delta: -11.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-10-15 15:30:40,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.93ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 47.9MB in the end (delta: 941.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:40,144 INFO L158 Benchmark]: Boogie Preprocessor took 41.57ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 46.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:40,145 INFO L158 Benchmark]: RCFGBuilder took 407.45ms. Allocated memory is still 77.6MB. Free memory was 46.1MB in the beginning and 34.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:40,146 INFO L158 Benchmark]: Referee took 259.66ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 34.4MB in the beginning and 65.9MB in the end (delta: -31.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:40,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 12. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. 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 23 to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 23. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory is still 55.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 77.6MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.42ms. Allocated memory is still 77.6MB. Free memory was 37.5MB in the beginning and 49.1MB in the end (delta: -11.6MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.93ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 47.9MB in the end (delta: 941.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.57ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 46.1MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.45ms. Allocated memory is still 77.6MB. Free memory was 46.1MB in the beginning and 34.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 259.66ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 34.4MB in the beginning and 65.9MB in the end (delta: -31.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:40,185 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...