This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:12,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:13,064 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:13,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:13,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:13,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:13,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:13,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:13,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:13,105 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:13,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:13,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:13,106 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:13,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:13,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:13,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:13,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:13,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:13,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:13,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:13,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:13,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:13,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:13,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:13,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:13,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:13,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:13,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:13,115 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:13,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:13,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:13,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:13,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:13,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:13,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:13,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:13,463 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:13,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-10-15 15:32:15,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:15,205 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:15,205 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-10-15 15:32:15,219 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6b7ca0aed/bae95d9835b14e7a979fc6189a1bebe1/FLAGea18bae05 [2024-10-15 15:32:15,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6b7ca0aed/bae95d9835b14e7a979fc6189a1bebe1 [2024-10-15 15:32:15,239 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:15,239 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:15,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml [2024-10-15 15:32:15,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:15,302 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:15,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:15,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:15,309 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:15,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:15" (1/2) ... [2024-10-15 15:32:15,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3b1a9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:15, skipping insertion in model container [2024-10-15 15:32:15,314 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:15" (1/2) ... [2024-10-15 15:32:15,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30569c6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:15, skipping insertion in model container [2024-10-15 15:32:15,316 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 03:32:15" (2/2) ... [2024-10-15 15:32:15,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3b1a9c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15, skipping insertion in model container [2024-10-15 15:32:15,316 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 03:32:15" (2/2) ... [2024-10-15 15:32:15,328 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:15,329 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((\old(counter) == 0) && ((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (1 <= counter)) && (B == b)) && (q == 0)))) [2024-10-15 15:32:15,331 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && (((((A == r) && (counter == 0)) && (B == b)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-10-15 15:32:15,331 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:32:15,332 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:32:15,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:15,531 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/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2024-10-15 15:32:15,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:15,558 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:32:15,599 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/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-10-15 15:32:15,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:15,631 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:15,632 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15 WrapperNode [2024-10-15 15:32:15,632 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:15,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:15,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:15,634 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:15,640 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,647 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,658 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:15,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:15,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:15,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:15,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:15,668 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,668 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,671 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,688 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:32:15,688 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,688 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,692 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,694 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,698 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,699 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:15,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:15,703 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:15,703 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:15,705 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 03:32:15" (1/1) ... [2024-10-15 15:32:15,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:15,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:15,736 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 15:32:15,742 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 15:32:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:15,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:15,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:15,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:15,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:15,858 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:15,860 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:15,928 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:16,050 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:16,064 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:16,091 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:16,091 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:32:16,093 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:16 BoogieIcfgContainer [2024-10-15 15:32:16,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:16,093 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:16,093 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:16,094 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:16,094 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:15" (1/4) ... [2024-10-15 15:32:16,095 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a0c2cb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:16, skipping insertion in model container [2024-10-15 15:32:16,095 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 03:32:15" (2/4) ... [2024-10-15 15:32:16,095 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a0c2cb9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:16, skipping insertion in model container [2024-10-15 15:32:16,095 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 03:32:15" (3/4) ... [2024-10-15 15:32:16,095 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a0c2cb9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:16, skipping insertion in model container [2024-10-15 15:32:16,095 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 03:32:16" (4/4) ... [2024-10-15 15:32:16,098 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-10-15 15:32:16,101 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:32:16,102 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:32:16,102 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:16,102 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:32:16,102 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:32:16,102 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:16,103 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 15:32:16,103 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 15:32:16,103 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:16,103 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:16,103 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:32:16,104 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:32:16,160 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:32:16,161 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,162 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,162 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,163 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,261 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:32:16,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,263 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,263 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,263 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,266 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:16,282 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:16,305 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:16,307 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,307 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,308 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,308 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,317 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:16,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,318 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,318 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,319 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:20,327 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:32:20,341 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:32:20,341 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:20,342 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:20,342 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:20,342 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:20,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,344 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:32:20,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,345 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:20,345 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:20,345 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:20,345 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:20,351 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:20,363 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:32:20,363 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:20,364 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:20,364 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:20,364 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:20,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,373 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:32:20,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,373 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:20,373 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:20,373 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:20,374 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:20,376 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:20,398 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:20,398 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:20,398 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:20,398 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:20,399 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:20,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,401 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:20,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:20,402 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:20,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:20,402 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:20,404 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:20,419 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:20,419 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:20,419 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:20,420 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:20,420 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:20,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,422 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:20,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,423 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:20,423 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:20,423 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:20,424 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:20,426 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:20,438 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:20,439 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:20,439 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:20,440 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:20,440 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:20,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,442 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:20,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,442 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:20,442 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:20,442 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:20,442 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:20,444 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:20,455 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:20,455 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:20,456 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:20,456 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:20,456 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:20,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,469 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:20,469 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,469 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:20,469 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:20,470 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:20,472 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:20,476 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:20,489 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:32:20,489 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:20,489 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:20,489 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:20,490 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:20,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,512 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:32:20,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,512 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:20,512 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:20,513 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:20,523 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:20,527 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:20,536 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:32:20,536 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:20,536 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:20,536 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:20,537 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:20,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,547 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:32:20,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:20,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:20,548 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:20,548 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:20,551 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:24,554 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:32:24,559 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:32:24,559 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3a0c2cb9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:24, skipping insertion in model container [2024-10-15 15:32:24,559 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:24,561 INFO L158 Benchmark]: Toolchain (without parser) took 9258.70ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 40.7MB in the beginning and 44.8MB in the end (delta: -4.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:24,562 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 50.3MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:24,562 INFO L158 Benchmark]: Witness Parser took 1.25ms. Allocated memory is still 60.8MB. Free memory is still 26.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:24,562 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.85ms. Allocated memory is still 60.8MB. Free memory was 40.5MB in the beginning and 25.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:24,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.73ms. Allocated memory is still 60.8MB. Free memory was 25.9MB in the beginning and 24.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:24,563 INFO L158 Benchmark]: Boogie Preprocessor took 42.62ms. Allocated memory is still 60.8MB. Free memory was 24.8MB in the beginning and 41.1MB in the end (delta: -16.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:32:24,564 INFO L158 Benchmark]: RCFGBuilder took 390.20ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 27.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:32:24,564 INFO L158 Benchmark]: Referee took 8465.91ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 44.8MB in the end (delta: -17.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-10-15 15:32:24,571 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 38 to check that procedure precondition always holds at line 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. 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 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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 20. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 50.3MB. Free memory was 34.9MB in the beginning and 34.9MB in the end (delta: 45.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.25ms. Allocated memory is still 60.8MB. Free memory is still 26.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.85ms. Allocated memory is still 60.8MB. Free memory was 40.5MB in the beginning and 25.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.73ms. Allocated memory is still 60.8MB. Free memory was 25.9MB in the beginning and 24.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.62ms. Allocated memory is still 60.8MB. Free memory was 24.8MB in the beginning and 41.1MB in the end (delta: -16.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 390.20ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 27.7MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 8465.91ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 27.7MB in the beginning and 44.8MB in the end (delta: -17.1MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:32:24,595 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:26,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:26,709 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:32:26,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:26,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:26,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:26,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:26,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:26,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:26,750 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:26,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:26,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:26,751 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:26,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:26,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:26,752 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:26,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:26,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:26,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:26,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:26,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:26,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:32:26,757 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:32:26,757 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:26,757 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:32:26,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:26,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:26,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:26,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:26,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:26,759 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:26,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:26,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:26,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:27,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:27,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:27,092 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:27,094 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:27,095 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:27,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-10-15 15:32:28,740 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:28,934 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:28,935 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-10-15 15:32:28,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b2893e45d/1e92855bd64f444ca76e6e1b2ac1f47a/FLAG82e31c2cc [2024-10-15 15:32:28,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b2893e45d/1e92855bd64f444ca76e6e1b2ac1f47a [2024-10-15 15:32:28,970 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:28,970 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:28,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml [2024-10-15 15:32:29,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:29,034 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:29,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:29,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:29,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:29,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:28" (1/2) ... [2024-10-15 15:32:29,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3377e22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:29, skipping insertion in model container [2024-10-15 15:32:29,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:28" (1/2) ... [2024-10-15 15:32:29,048 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@34270687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:29, skipping insertion in model container [2024-10-15 15:32:29,048 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 03:32:29" (2/2) ... [2024-10-15 15:32:29,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3377e22 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:29, skipping insertion in model container [2024-10-15 15:32:29,049 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 03:32:29" (2/2) ... [2024-10-15 15:32:29,062 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:29,063 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((\old(counter) == 0) && ((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (1 <= counter)) && (B == b)) && (q == 0)))) [2024-10-15 15:32:29,066 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && (((((A == r) && (counter == 0)) && (B == b)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-10-15 15:32:29,066 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:32:29,067 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:32:29,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:29,288 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/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2024-10-15 15:32:29,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:29,320 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:32:29,358 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/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-10-15 15:32:29,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:29,397 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:29,397 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:29 WrapperNode [2024-10-15 15:32:29,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:29,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:29,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:29,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:29,405 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,415 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,421 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:29,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:29,422 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:29,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:29,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:29,432 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,433 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,434 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,445 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:32:29,447 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,447 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,456 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,463 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,465 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,465 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,468 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:29,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:29,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:29,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:29,474 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 03:32:29" (1/1) ... [2024-10-15 15:32:29,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:29,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:29,507 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 15:32:29,513 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 15:32:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:32:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:29,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:29,636 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:29,638 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:29,727 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:29,909 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:29,924 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:29,960 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:29,961 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:32:29,961 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:29 BoogieIcfgContainer [2024-10-15 15:32:29,961 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:29,962 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:29,962 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:29,963 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:29,963 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:28" (1/4) ... [2024-10-15 15:32:29,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48c43c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:29, skipping insertion in model container [2024-10-15 15:32:29,964 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 03:32:29" (2/4) ... [2024-10-15 15:32:29,964 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48c43c01 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:29, skipping insertion in model container [2024-10-15 15:32:29,964 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 03:32:29" (3/4) ... [2024-10-15 15:32:29,965 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48c43c01 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:29, skipping insertion in model container [2024-10-15 15:32:29,965 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 03:32:29" (4/4) ... [2024-10-15 15:32:29,967 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-10-15 15:32:29,970 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:32:29,971 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:32:29,971 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:29,972 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:32:29,972 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:32:29,972 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:29,972 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 15:32:29,973 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 15:32:29,973 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:29,973 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:29,974 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:32:29,975 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:32:30,026 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:32:30,027 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:30,027 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:30,031 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:30,032 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:30,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,105 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:32:30,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:30,111 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:30,112 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:30,117 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:30,132 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:30,157 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:30,157 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:30,157 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:30,158 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:30,158 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:30,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,165 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:30,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:30,166 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:30,167 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:30,167 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:30,194 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:30,216 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:32:30,218 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:30,218 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:30,218 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:30,218 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:30,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,222 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:32:30,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:30,222 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:30,222 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:30,222 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:30,230 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:30,253 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:32:30,253 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:30,253 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:30,253 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:30,254 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:30,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,262 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:32:30,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:30,262 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:30,263 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:30,263 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:30,267 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:30,277 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:30,278 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:30,278 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:30,278 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:30,278 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:30,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,280 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:30,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:30,280 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:30,280 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:30,281 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:30,282 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:30,295 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:30,295 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:30,296 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:30,296 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:30,296 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:30,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,298 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:30,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,299 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:30,299 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:30,299 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:30,299 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:30,301 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:30,310 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:30,310 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:30,311 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:30,311 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:30,311 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:30,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,313 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:30,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,313 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:30,313 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:30,313 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:30,313 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:30,315 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:30,333 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:30,335 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:30,336 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:30,336 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:30,336 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:30,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,352 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:30,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,352 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:30,353 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:30,353 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:30,356 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:30,385 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:32:30,385 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:30,385 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:30,385 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:30,386 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:30,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,411 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:32:30,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,412 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:30,415 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:30,415 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:30,422 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:30,431 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:30,443 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:32:30,444 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:30,444 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:30,444 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:30,444 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:30,444 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,455 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:32:30,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:30,456 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:30,456 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:30,456 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:30,459 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:30,478 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:30,489 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-10-15 15:32:30,490 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@48c43c01 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:30, skipping insertion in model container [2024-10-15 15:32:30,490 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:30,493 INFO L158 Benchmark]: Toolchain (without parser) took 1458.08ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 39.2MB in the beginning and 61.9MB in the end (delta: -22.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:30,494 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:30,494 INFO L158 Benchmark]: Witness Parser took 0.82ms. Allocated memory is still 77.6MB. Free memory was 41.3MB in the beginning and 41.1MB in the end (delta: 213.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:30,496 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.89ms. Allocated memory is still 77.6MB. Free memory was 39.0MB in the beginning and 43.8MB in the end (delta: -4.9MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:30,497 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.46ms. Allocated memory is still 77.6MB. Free memory was 43.8MB in the beginning and 42.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:30,497 INFO L158 Benchmark]: Boogie Preprocessor took 49.69ms. Allocated memory is still 77.6MB. Free memory was 42.7MB in the beginning and 40.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:30,498 INFO L158 Benchmark]: RCFGBuilder took 488.68ms. Allocated memory is still 77.6MB. Free memory was 40.9MB in the beginning and 49.8MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:32:30,499 INFO L158 Benchmark]: Referee took 528.27ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 49.8MB in the beginning and 61.9MB in the end (delta: -12.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:30,504 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 34 to loop head at line 38. One counterexample starts in \old(counter)=0, A=0, B=0, b=1, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, B=0, b=1, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 50.3MB. Free memory is still 28.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.82ms. Allocated memory is still 77.6MB. Free memory was 41.3MB in the beginning and 41.1MB in the end (delta: 213.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.89ms. Allocated memory is still 77.6MB. Free memory was 39.0MB in the beginning and 43.8MB in the end (delta: -4.9MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.46ms. Allocated memory is still 77.6MB. Free memory was 43.8MB in the beginning and 42.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.69ms. Allocated memory is still 77.6MB. Free memory was 42.7MB in the beginning and 40.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.68ms. Allocated memory is still 77.6MB. Free memory was 40.9MB in the beginning and 49.8MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 528.27ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 49.8MB in the beginning and 61.9MB in the end (delta: -12.1MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 15:32:30,549 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...