This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:13,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:13,995 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:13,998 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:14,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:14,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:14,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:14,024 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:14,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:14,025 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:14,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:14,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:14,025 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:14,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:14,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:14,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:14,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:14,027 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:14,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:14,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:14,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:14,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:14,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:14,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:14,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:14,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:14,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:14,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:14,031 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:14,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:14,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:14,032 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:14,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:14,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:14,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:14,336 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:14,337 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:14,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-10-15 15:32:14,379 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:14,379 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:14,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-10-15 15:32:15,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:15,932 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:15,933 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-10-15 15:32:15,938 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f1bc70785/d45dde3fe14a4026985661aa61575680/FLAGc8f3ea1ff [2024-10-15 15:32:16,337 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f1bc70785/d45dde3fe14a4026985661aa61575680 [2024-10-15 15:32:16,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:16,339 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:16,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:16,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:16,345 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:16,346 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 03:32:14" (1/2) ... [2024-10-15 15:32:16,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a188219 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:16, skipping insertion in model container [2024-10-15 15:32:16,348 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 03:32:14" (1/2) ... [2024-10-15 15:32:16,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@79433fce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:16, skipping insertion in model container [2024-10-15 15:32:16,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:16" (2/2) ... [2024-10-15 15:32:16,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a188219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16, skipping insertion in model container [2024-10-15 15:32:16,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:16" (2/2) ... [2024-10-15 15:32:16,370 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:16,371 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-10-15 15:32:16,371 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-10-15 15:32:16,371 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures ((counter == 0) && (counter == \old(counter))) [2024-10-15 15:32:16,371 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:32:16,371 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:32:16,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:16,538 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/divbin_unwindbound1.i[950,963] [2024-10-15 15:32:16,556 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:16,564 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:32:16,600 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/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-10-15 15:32:16,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:16,623 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:16,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16 WrapperNode [2024-10-15 15:32:16,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:16,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:16,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:16,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:16,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,641 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:16,642 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:16,642 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:16,643 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:16,643 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:16,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,662 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:32:16,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:16,681 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:16,681 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:16,681 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:16,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (1/1) ... [2024-10-15 15:32:16,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:16,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:16,708 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 15:32:16,711 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 15:32:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:16,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:16,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:16,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:16,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:16,752 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:16,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:16,809 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:16,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:16,874 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:16,881 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:16,956 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:16,967 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:16,995 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:16,996 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:32:16,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:16 BoogieIcfgContainer [2024-10-15 15:32:16,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:16,997 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:16,997 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:16,997 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:16,998 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 03:32:14" (1/4) ... [2024-10-15 15:32:16,998 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15192438 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 15:32:16,998 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:16" (2/4) ... [2024-10-15 15:32:16,999 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15192438 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 15:32:16,999 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:16" (3/4) ... [2024-10-15 15:32:16,999 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15192438 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 15:32:16,999 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:16" (4/4) ... [2024-10-15 15:32:17,000 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-10-15 15:32:17,002 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:32:17,003 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:17,003 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:32:17,003 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-10-15 15:32:17,003 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:17,003 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:17,004 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:17,004 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:17,004 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:32:17,004 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 15:32:17,004 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:32:17,004 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:32:17,004 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 15:32:17,004 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 15:32:17,005 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 6 loop-free subgraphs from procedure entry to error location [2024-10-15 15:32:17,048 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:32:17,049 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:17,049 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:17,050 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:17,051 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:17,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:17,060 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:32:17,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:17,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:17,061 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:17,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:17,064 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:17,078 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:17,100 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:32:17,100 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:17,100 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:17,100 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:17,100 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:17,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:17,133 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:32:17,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:17,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:17,134 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:17,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:17,141 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,149 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:32:21,161 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:32:21,161 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,161 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,161 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,162 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,162 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:32:21,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,163 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,163 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,166 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:21,181 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:21,181 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,181 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,181 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,181 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,184 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:21,184 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,184 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,184 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,185 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,185 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,187 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:21,204 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:32:21,205 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,205 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,205 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,205 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,240 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:32:21,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,241 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,241 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,248 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,251 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:21,260 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:21,262 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,262 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,262 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,262 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,272 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:21,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,273 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,273 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,274 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,277 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:21,284 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:21,284 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,285 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,285 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,285 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,288 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:21,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,288 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,288 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,288 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,289 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,290 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:21,298 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:32:21,302 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,302 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,303 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,303 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,319 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:32:21,319 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,319 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,320 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,320 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,320 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,321 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:21,330 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:21,330 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,330 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,331 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,331 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,331 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:21,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,332 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,332 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,332 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,332 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,333 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:21,339 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:32:21,340 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,340 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,340 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,340 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,342 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:32:21,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,342 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,342 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,342 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,343 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,344 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:21,353 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:32:21,353 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,353 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,353 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,354 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,359 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:32:21,362 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,362 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,362 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,362 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,363 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,365 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:21,373 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:21,373 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,374 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,374 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,374 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,377 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:21,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,377 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,377 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,378 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,380 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:21,389 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:21,389 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:21,389 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:21,389 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:21,390 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:21,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,390 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:21,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:21,391 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:21,391 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:21,391 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:21,391 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:21,394 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:21,397 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:32:21,398 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@15192438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:21, skipping insertion in model container [2024-10-15 15:32:21,398 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:21,399 INFO L158 Benchmark]: Toolchain (without parser) took 5059.83ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 33.1MB in the beginning and 41.9MB in the end (delta: -8.8MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,400 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 73.4MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:21,401 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:21,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.45ms. Allocated memory is still 73.4MB. Free memory was 32.9MB in the beginning and 39.9MB in the end (delta: -7.0MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.55ms. Allocated memory is still 73.4MB. Free memory was 39.9MB in the beginning and 39.0MB in the end (delta: 944.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,402 INFO L158 Benchmark]: Boogie Preprocessor took 37.84ms. Allocated memory is still 73.4MB. Free memory was 39.0MB in the beginning and 37.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,403 INFO L158 Benchmark]: RCFGBuilder took 315.64ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 37.1MB in the beginning and 71.2MB in the end (delta: -34.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,404 INFO L158 Benchmark]: Referee took 4401.32ms. Allocated memory is still 100.7MB. Free memory was 71.2MB in the beginning and 41.9MB in the end (delta: 29.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-10-15 15:32:21,406 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 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. 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 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 36. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. 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 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 73.4MB. Free memory was 54.5MB in the beginning and 54.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.28ms. Allocated memory is still 73.4MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.45ms. Allocated memory is still 73.4MB. Free memory was 32.9MB in the beginning and 39.9MB in the end (delta: -7.0MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.55ms. Allocated memory is still 73.4MB. Free memory was 39.9MB in the beginning and 39.0MB in the end (delta: 944.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.84ms. Allocated memory is still 73.4MB. Free memory was 39.0MB in the beginning and 37.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.64ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 37.1MB in the beginning and 71.2MB in the end (delta: -34.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 4401.32ms. Allocated memory is still 100.7MB. Free memory was 71.2MB in the beginning and 41.9MB in the end (delta: 29.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:32:21,426 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 15:32:23,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:23,220 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:32:23,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:23,228 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:23,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:23,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:23,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:23,254 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:23,254 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:23,255 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:23,256 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:23,256 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:23,256 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:23,258 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:23,258 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:23,258 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:23,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:23,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:23,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:23,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:23,260 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:32:23,260 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:32:23,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:23,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:32:23,261 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:23,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:23,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:23,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:23,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:23,262 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:23,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:23,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:23,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:23,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:23,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:23,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:23,551 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:23,553 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:23,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-10-15 15:32:23,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:23,600 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:23,600 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-10-15 15:32:25,040 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:25,182 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:25,183 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-10-15 15:32:25,193 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e58f2f123/c4af59a12bdb43aea984a515ff7f4f53/FLAGc61318dee [2024-10-15 15:32:25,596 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e58f2f123/c4af59a12bdb43aea984a515ff7f4f53 [2024-10-15 15:32:25,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:25,598 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:25,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:25,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:25,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:25,602 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 03:32:23" (1/2) ... [2024-10-15 15:32:25,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f5ce14 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:25, skipping insertion in model container [2024-10-15 15:32:25,603 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 03:32:23" (1/2) ... [2024-10-15 15:32:25,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ea30fa1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:25, skipping insertion in model container [2024-10-15 15:32:25,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:25" (2/2) ... [2024-10-15 15:32:25,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32f5ce14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25, skipping insertion in model container [2024-10-15 15:32:25,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:25" (2/2) ... [2024-10-15 15:32:25,613 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:25,613 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-10-15 15:32:25,613 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-10-15 15:32:25,613 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures ((1 <= cond) && (counter == \old(counter))) [2024-10-15 15:32:25,614 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures ((counter == 0) && (counter == \old(counter))) [2024-10-15 15:32:25,614 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:32:25,627 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:25,782 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/divbin_unwindbound1.i[950,963] [2024-10-15 15:32:25,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:25,807 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:32:25,847 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/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-10-15 15:32:25,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:25,879 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:25,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25 WrapperNode [2024-10-15 15:32:25,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:25,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:25,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:25,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:25,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,903 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:25,904 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:25,904 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:25,904 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:25,904 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:25,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,921 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,930 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:32:25,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,952 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,953 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:25,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:25,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:25,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:25,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (1/1) ... [2024-10-15 15:32:25,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:25,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:25,988 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 15:32:25,991 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 15:32:26,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:32:26,035 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:26,035 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:26,036 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:26,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:26,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:26,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:26,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:26,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:26,094 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:26,096 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:26,151 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:26,158 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:26,284 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:26,303 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:26,327 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:26,327 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:32:26,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:26 BoogieIcfgContainer [2024-10-15 15:32:26,328 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:26,328 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:26,329 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:26,329 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:26,329 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 03:32:23" (1/4) ... [2024-10-15 15:32:26,330 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19144912 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:26, skipping insertion in model container [2024-10-15 15:32:26,330 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:25" (2/4) ... [2024-10-15 15:32:26,330 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19144912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:26, skipping insertion in model container [2024-10-15 15:32:26,330 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25" (3/4) ... [2024-10-15 15:32:26,331 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19144912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:26, skipping insertion in model container [2024-10-15 15:32:26,331 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:26" (4/4) ... [2024-10-15 15:32:26,332 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-10-15 15:32:26,335 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:32:26,336 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:26,336 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:32:26,336 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-10-15 15:32:26,336 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:26,336 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:26,337 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:26,337 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:26,337 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:32:26,337 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 15:32:26,337 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:32:26,337 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:32:26,337 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 15:32:26,337 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 15:32:26,338 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 6 loop-free subgraphs from procedure entry to error location [2024-10-15 15:32:26,382 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:32:26,383 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,383 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,384 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,386 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,397 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:32:26,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,398 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,399 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,399 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,402 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,416 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:26,441 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:32:26,442 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,442 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,442 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,442 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,476 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:32:26,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,477 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,477 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,482 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,484 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:26,495 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:32:26,496 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,497 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,497 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,497 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,500 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:32:26,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,500 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,500 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,500 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,502 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:26,516 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:26,519 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,519 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,519 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,519 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,520 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:26,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,520 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,520 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,521 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,521 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,522 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:26,531 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:32:26,531 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,532 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,532 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,532 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,558 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:32:26,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,559 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,559 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,559 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,566 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,577 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:26,596 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:26,597 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,598 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,598 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,598 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,613 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:26,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,614 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,614 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,616 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,643 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:26,643 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,643 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,643 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,643 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,648 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:26,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,648 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,648 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,648 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,648 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,651 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:26,662 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:32:26,662 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,662 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,662 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,662 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,678 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:32:26,679 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,679 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,680 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,680 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,682 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,684 INFO L520 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:26,691 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:26,692 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,693 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,694 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,694 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,695 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:26,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,695 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,696 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,696 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,696 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,698 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:26,709 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:32:26,709 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,709 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,709 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,710 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,712 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:32:26,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,712 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,712 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,712 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,712 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,714 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:26,723 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:32:26,724 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,724 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,724 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,724 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,729 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:32:26,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,729 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,729 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,729 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,729 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,735 INFO L520 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:26,742 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:26,742 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,742 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,742 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,743 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,745 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:26,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,746 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,746 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,746 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,746 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,748 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:26,756 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:26,756 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,756 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,756 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,756 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,759 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:26,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,759 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,759 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,759 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,762 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:26,772 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-10-15 15:32:26,773 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@19144912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:26, skipping insertion in model container [2024-10-15 15:32:26,773 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:26,775 INFO L158 Benchmark]: Toolchain (without parser) took 1176.59ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 36.7MB in the beginning and 25.5MB in the end (delta: 11.2MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2024-10-15 15:32:26,775 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 46.1MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:26,776 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 46.1MB. Free memory was 25.2MB in the beginning and 25.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:26,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.30ms. Allocated memory is still 65.0MB. Free memory was 36.5MB in the beginning and 39.6MB in the end (delta: -3.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-10-15 15:32:26,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.31ms. Allocated memory is still 65.0MB. Free memory was 39.6MB in the beginning and 38.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:26,778 INFO L158 Benchmark]: Boogie Preprocessor took 50.54ms. Allocated memory is still 65.0MB. Free memory was 38.5MB in the beginning and 36.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:26,778 INFO L158 Benchmark]: RCFGBuilder took 372.78ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 36.4MB in the beginning and 55.5MB in the end (delta: -19.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:26,779 INFO L158 Benchmark]: Referee took 444.92ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 25.5MB in the end (delta: 30.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2024-10-15 15:32:26,783 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 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, b=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=0, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. 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 40 to loop head at line 40. 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 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. 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 check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 46.1MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 46.1MB. Free memory was 25.2MB in the beginning and 25.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.30ms. Allocated memory is still 65.0MB. Free memory was 36.5MB in the beginning and 39.6MB in the end (delta: -3.1MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.31ms. Allocated memory is still 65.0MB. Free memory was 39.6MB in the beginning and 38.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.54ms. Allocated memory is still 65.0MB. Free memory was 38.5MB in the beginning and 36.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 372.78ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 36.4MB in the beginning and 55.5MB in the end (delta: -19.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 444.92ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 25.5MB in the end (delta: 30.0MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 15:32:26,808 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...