This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:32,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:33,053 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:33,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:33,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:33,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:33,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:33,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:33,084 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:33,085 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:33,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:33,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:33,086 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:33,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:33,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:33,087 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:33,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:33,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:33,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:33,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:33,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:33,089 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:33,089 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:33,089 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:33,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:33,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:33,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:33,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:33,090 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:33,090 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:33,090 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:33,090 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:33,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:33,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:33,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:33,364 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:33,365 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:33,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prodbin-ll_valuebound2.yml/witness-2.1.yml [2024-10-15 15:33:33,406 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:33,406 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:33,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c [2024-10-15 15:33:34,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:34,872 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:34,873 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c [2024-10-15 15:33:34,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5aebaf310/f7f93a0e90ce4688a28fe0fe5be514d5/FLAG425123005 [2024-10-15 15:33:35,295 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5aebaf310/f7f93a0e90ce4688a28fe0fe5be514d5 [2024-10-15 15:33:35,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:35,296 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:35,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:35,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:35,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:35,303 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 03:33:33" (1/2) ... [2024-10-15 15:33:35,304 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7808934e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:35, skipping insertion in model container [2024-10-15 15:33:35,304 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 03:33:33" (1/2) ... [2024-10-15 15:33:35,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6cf30897 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:35, skipping insertion in model container [2024-10-15 15:33:35,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:35" (2/2) ... [2024-10-15 15:33:35,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7808934e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35, skipping insertion in model container [2024-10-15 15:33:35,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:35" (2/2) ... [2024-10-15 15:33:35,312 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:35,312 INFO L1541 ArrayList]: Loop invariant at [L34-L45] ((((((z == ((long long) b * a)) && (b <= 2)) && (1 <= b)) && (y == 0)) || (((((z == 0) && (y <= 2)) && (b == y)) && (1 <= y)) && (a == x))) || (((((z == 0) && (y == 1)) && (((long long) a * 2) == x)) && (((b >= 0) ? (b / 2) : ((b / 2) - 1)) == 1)) && (((b >= 0) ? (b % 2) : ((b % 2) + 2)) != 1))) [2024-10-15 15:33:35,312 INFO L1541 ArrayList]: Function contract at [L12]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:35,312 INFO L1541 ArrayList]: Function contract at [L9]: requires null, ensures (cond != 0) [2024-10-15 15:33:35,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:35,452 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/prodbin-ll_valuebound2.c[537,550] [2024-10-15 15:33:35,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:35,474 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:35,502 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/prodbin-ll_valuebound2.c[537,550] Start Parsing Local [2024-10-15 15:33:35,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:35,522 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:35,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35 WrapperNode [2024-10-15 15:33:35,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:35,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:35,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:35,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:35,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,538 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:35,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:35,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:35,539 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:35,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:35,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,553 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,558 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 15:33:35,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,565 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:35,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:35,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:35,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:35,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (1/1) ... [2024-10-15 15:33:35,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:35,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:35,591 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 15:33:35,592 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 15:33:35,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:35,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:35,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:35,676 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:35,677 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:35,785 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:35,799 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:35,819 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:35,819 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:35,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:35 BoogieIcfgContainer [2024-10-15 15:33:35,820 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:35,820 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:35,820 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:35,821 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:35,821 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 03:33:33" (1/4) ... [2024-10-15 15:33:35,821 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@33a548bc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:35, skipping insertion in model container [2024-10-15 15:33:35,821 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:35" (2/4) ... [2024-10-15 15:33:35,821 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@33a548bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:35, skipping insertion in model container [2024-10-15 15:33:35,821 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:35" (3/4) ... [2024-10-15 15:33:35,822 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@33a548bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:35, skipping insertion in model container [2024-10-15 15:33:35,822 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:35" (4/4) ... [2024-10-15 15:33:35,822 INFO L79 RefereeObserver]: Analyzing ICFG prodbin-ll_valuebound2.c [2024-10-15 15:33:35,825 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:35,825 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:35,825 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:35,826 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:33:35,826 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:33:35,826 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:35,826 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 15:33:35,826 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 15:33:35,826 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:33:35,858 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:35,858 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:35,859 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:35,859 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:35,860 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:35,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,868 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:35,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,869 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:35,869 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:35,869 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:35,874 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:35,889 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:35,907 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:35,907 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:35,907 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:35,908 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:35,908 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:35,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,933 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:35,934 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,934 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:35,934 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:35,934 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:35,937 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:35,940 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:35,954 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:33:35,955 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:35,955 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:35,955 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:35,955 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:35,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,989 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-10-15 15:33:35,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:35,990 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:35,991 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:35,991 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:36,000 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:36,016 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:36,028 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:33:36,028 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:36,029 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:36,029 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:36,029 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:36,029 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,038 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:33:36,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,039 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:36,039 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:36,039 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:36,039 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:36,042 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:36,053 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:36,056 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:36,056 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:36,056 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:36,056 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:36,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,063 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:36,064 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:36,065 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:36,065 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:36,065 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:36,068 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:36,076 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:36,076 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:36,076 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:36,076 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:36,077 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:36,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,078 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:36,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,079 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:36,079 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:36,079 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:36,079 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:36,081 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:36,086 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:36,086 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:36,086 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:36,087 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:36,087 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:36,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,088 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:36,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:36,088 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:36,088 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:36,088 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:36,089 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:36,089 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:36,092 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:36,092 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@33a548bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:36, skipping insertion in model container [2024-10-15 15:33:36,093 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:36,094 INFO L158 Benchmark]: Toolchain (without parser) took 796.91ms. Allocated memory is still 113.2MB. Free memory was 82.9MB in the beginning and 43.9MB in the end (delta: 39.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:36,094 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:36,095 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 65.0MB. Free memory was 44.7MB in the beginning and 44.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:36,095 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.86ms. Allocated memory is still 113.2MB. Free memory was 82.9MB in the beginning and 68.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:36,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 13.90ms. Allocated memory is still 113.2MB. Free memory was 68.2MB in the beginning and 67.3MB in the end (delta: 893.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:36,096 INFO L158 Benchmark]: Boogie Preprocessor took 27.96ms. Allocated memory is still 113.2MB. Free memory was 67.3MB in the beginning and 65.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:36,096 INFO L158 Benchmark]: RCFGBuilder took 252.43ms. Allocated memory is still 113.2MB. Free memory was 65.7MB in the beginning and 81.7MB in the end (delta: -16.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:36,104 INFO L158 Benchmark]: Referee took 272.51ms. Allocated memory is still 113.2MB. Free memory was 81.7MB in the beginning and 43.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:36,107 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 14. 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 main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.11ms. Allocated memory is still 65.0MB. Free memory was 46.8MB in the beginning and 46.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.46ms. Allocated memory is still 65.0MB. Free memory was 44.7MB in the beginning and 44.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.86ms. Allocated memory is still 113.2MB. Free memory was 82.9MB in the beginning and 68.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 13.90ms. Allocated memory is still 113.2MB. Free memory was 68.2MB in the beginning and 67.3MB in the end (delta: 893.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.96ms. Allocated memory is still 113.2MB. Free memory was 67.3MB in the beginning and 65.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.43ms. Allocated memory is still 113.2MB. Free memory was 65.7MB in the beginning and 81.7MB in the end (delta: -16.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 272.51ms. Allocated memory is still 113.2MB. Free memory was 81.7MB in the beginning and 43.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:36,138 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...