This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:58,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:58,345 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:58,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:58,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:58,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:58,381 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:58,382 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:58,382 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:58,384 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:58,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:58,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:58,385 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:58,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:58,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:58,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:58,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:58,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:58,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:58,390 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:58,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:58,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:58,391 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:58,391 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:58,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:58,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:58,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:58,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:58,394 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:58,394 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:58,394 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:58,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:58,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:58,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:58,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:58,723 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:58,724 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:58,725 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-10-15 15:33:00,362 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:00,561 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:00,561 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-10-15 15:33:00,568 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/63aa81b77/fbb520aca8e945be8ed5c06f9c41a91f/FLAG1e5d05c21 [2024-10-15 15:33:00,581 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/63aa81b77/fbb520aca8e945be8ed5c06f9c41a91f [2024-10-15 15:33:00,583 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:00,584 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:00,584 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-10-15 15:33:00,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:00,643 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:00,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:00,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:00,652 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:00,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:00" (1/2) ... [2024-10-15 15:33:00,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cc1465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:00, skipping insertion in model container [2024-10-15 15:33:00,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:00" (1/2) ... [2024-10-15 15:33:00,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d3efef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:00, skipping insertion in model container [2024-10-15 15:33:00,659 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 03:33:00" (2/2) ... [2024-10-15 15:33:00,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cc1465 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:00, skipping insertion in model container [2024-10-15 15:33:00,660 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 03:33:00" (2/2) ... [2024-10-15 15:33:00,679 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:00,680 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-10-15 15:33:00,680 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:33:00,680 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:00,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:00,909 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/lcm2_valuebound2.c[537,550] [2024-10-15 15:33:00,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:00,940 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:00,982 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/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-10-15 15:33:01,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:01,020 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:01,020 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01 WrapperNode [2024-10-15 15:33:01,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:01,022 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:01,022 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:01,022 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:01,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,036 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,042 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:01,043 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:01,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:01,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:01,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:01,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,057 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,073 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 15:33:01,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,078 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,091 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:01,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:01,094 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:01,094 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:01,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (1/1) ... [2024-10-15 15:33:01,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:01,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:01,128 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 15:33:01,139 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 15:33:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:01,193 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:01,193 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:01,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:01,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:01,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:01,263 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:01,266 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:01,516 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:01,548 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:01,581 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:01,582 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:01,582 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:01 BoogieIcfgContainer [2024-10-15 15:33:01,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:01,583 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:01,583 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:01,585 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:01,586 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:00" (1/4) ... [2024-10-15 15:33:01,587 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bbbf7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:01, skipping insertion in model container [2024-10-15 15:33:01,588 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 03:33:00" (2/4) ... [2024-10-15 15:33:01,588 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bbbf7fe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:01, skipping insertion in model container [2024-10-15 15:33:01,588 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:01" (3/4) ... [2024-10-15 15:33:01,589 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bbbf7fe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:01, skipping insertion in model container [2024-10-15 15:33:01,589 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:01" (4/4) ... [2024-10-15 15:33:01,590 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-10-15 15:33:01,594 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:01,595 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 15:33:01,595 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:01,595 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:01,595 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 15:33:01,596 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 15:33:01,596 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-10-15 15:33:01,596 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:33:01,596 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 procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:33:01,668 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:01,669 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:01,670 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:01,679 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:01,680 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:01,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,695 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:01,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,700 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:01,700 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:01,701 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:01,707 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:01,731 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:01,773 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:01,774 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:01,774 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:01,777 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:01,777 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:01,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,808 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:01,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,809 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:01,809 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:01,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:01,814 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:01,816 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:01,841 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:01,841 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:01,841 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:01,842 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:01,842 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:01,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,849 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:01,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:01,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:01,852 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:01,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:01,853 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,864 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:05,893 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:05,894 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,894 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,894 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,894 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,897 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:05,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,898 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,898 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,899 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,901 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:05,917 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:05,918 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,918 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,918 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,918 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,920 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:05,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,921 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,921 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,921 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,921 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,923 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:05,939 INFO L309 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-10-15 15:33:05,942 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,943 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,943 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,943 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,966 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-10-15 15:33:05,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:05,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:05,967 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:05,967 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:05,967 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:05,970 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:05,982 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:33:05,982 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:05,982 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:05,982 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:05,982 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:05,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:06,007 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:33:06,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:06,008 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:06,008 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:06,008 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:06,015 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:10,022 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:10,031 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:10,033 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3bbbf7fe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:10, skipping insertion in model container [2024-10-15 15:33:10,033 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:10,035 INFO L158 Benchmark]: Toolchain (without parser) took 9390.81ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 24.6MB in the beginning and 49.7MB in the end (delta: -25.2MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-10-15 15:33:10,036 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 46.1MB. Free memory was 22.3MB in the beginning and 22.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:10,036 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 26.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:10,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.89ms. Allocated memory is still 60.8MB. Free memory was 24.4MB in the beginning and 27.7MB in the end (delta: -3.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-10-15 15:33:10,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.39ms. Allocated memory is still 60.8MB. Free memory was 27.7MB in the beginning and 26.7MB in the end (delta: 955.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:10,039 INFO L158 Benchmark]: Boogie Preprocessor took 48.58ms. Allocated memory is still 60.8MB. Free memory was 26.7MB in the beginning and 25.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:10,040 INFO L158 Benchmark]: RCFGBuilder took 488.85ms. Allocated memory is still 60.8MB. Free memory was 25.0MB in the beginning and 26.0MB in the end (delta: -946.3kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:10,041 INFO L158 Benchmark]: Referee took 8450.06ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 26.0MB in the beginning and 49.7MB in the end (delta: -23.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:10,045 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 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 46.1MB. Free memory was 22.3MB in the beginning and 22.3MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 60.8MB. Free memory is still 26.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.89ms. Allocated memory is still 60.8MB. Free memory was 24.4MB in the beginning and 27.7MB in the end (delta: -3.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.39ms. Allocated memory is still 60.8MB. Free memory was 27.7MB in the beginning and 26.7MB in the end (delta: 955.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.58ms. Allocated memory is still 60.8MB. Free memory was 26.7MB in the beginning and 25.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 488.85ms. Allocated memory is still 60.8MB. Free memory was 25.0MB in the beginning and 26.0MB in the end (delta: -946.3kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 8450.06ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 26.0MB in the beginning and 49.7MB in the end (delta: -23.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:10,070 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:12,117 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:12,207 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:33:12,212 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:12,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:12,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:12,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:12,245 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:12,246 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:12,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:12,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:12,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:12,249 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:12,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:12,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:12,253 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:12,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:12,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:12,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:12,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:12,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:12,254 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:33:12,254 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:33:12,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:12,255 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:33:12,255 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:12,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:12,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:12,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:12,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:12,256 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:12,256 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:12,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:12,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:12,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:12,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:12,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:12,617 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:12,618 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:12,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-10-15 15:33:12,667 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:12,669 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:12,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-10-15 15:33:14,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:14,459 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:14,459 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-10-15 15:33:14,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4accbfdc6/19860f77a2f04b6487fc4cc6ffa02789/FLAG45ee6e7d4 [2024-10-15 15:33:14,860 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4accbfdc6/19860f77a2f04b6487fc4cc6ffa02789 [2024-10-15 15:33:14,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:14,862 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:14,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:14,863 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:14,867 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:14,868 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 03:33:12" (1/2) ... [2024-10-15 15:33:14,869 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e890a74 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:14, skipping insertion in model container [2024-10-15 15:33:14,869 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 03:33:12" (1/2) ... [2024-10-15 15:33:14,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1237da60 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:14, skipping insertion in model container [2024-10-15 15:33:14,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:14" (2/2) ... [2024-10-15 15:33:14,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e890a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:14, skipping insertion in model container [2024-10-15 15:33:14,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:14" (2/2) ... [2024-10-15 15:33:14,879 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:14,880 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-10-15 15:33:14,880 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:14,880 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:33:14,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:15,086 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/lcm2_valuebound2.c[537,550] [2024-10-15 15:33:15,107 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:15,120 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:15,152 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/lcm2_valuebound2.c[537,550] Start Parsing Local [2024-10-15 15:33:15,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:15,178 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:15,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15 WrapperNode [2024-10-15 15:33:15,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:15,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:15,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:15,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:15,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,198 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:15,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:15,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:15,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:15,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:15,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,210 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,217 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 15:33:15,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,222 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,225 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,227 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:15,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:15,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:15,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:15,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (1/1) ... [2024-10-15 15:33:15,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:15,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:15,260 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 15:33:15,262 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 15:33:15,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:33:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:15,300 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:15,300 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:15,301 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:15,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:15,360 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:15,363 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:15,756 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:15,773 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:15,806 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:15,807 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:15,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:15 BoogieIcfgContainer [2024-10-15 15:33:15,809 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:15,810 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:15,810 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:15,811 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:15,811 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 03:33:12" (1/4) ... [2024-10-15 15:33:15,811 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d10ee2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:15, skipping insertion in model container [2024-10-15 15:33:15,812 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:14" (2/4) ... [2024-10-15 15:33:15,812 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d10ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:15, skipping insertion in model container [2024-10-15 15:33:15,812 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:15" (3/4) ... [2024-10-15 15:33:15,812 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d10ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:15, skipping insertion in model container [2024-10-15 15:33:15,812 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:15" (4/4) ... [2024-10-15 15:33:15,813 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-10-15 15:33:15,816 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:15,816 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 15:33:15,816 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:15,816 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:15,817 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 15:33:15,817 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 15:33:15,817 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-10-15 15:33:15,817 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:33:15,817 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:33:15,870 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:15,871 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,871 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,872 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,874 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,887 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:15,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,888 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,889 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,889 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,900 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,915 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:15,934 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:15,934 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,934 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,934 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,935 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,948 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:15,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,949 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,949 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,950 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,951 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:15,975 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:15,975 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,976 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,976 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,976 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,980 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:15,981 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,981 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,981 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,981 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,981 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:20,011 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:20,051 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:20,051 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:20,051 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:20,051 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:20,051 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:20,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,058 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:20,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,059 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:20,059 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:20,059 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:20,059 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:20,064 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:20,081 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:20,087 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:20,088 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:20,088 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:20,088 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:20,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,090 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:20,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,090 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:20,090 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:20,090 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:20,090 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:20,093 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:20,107 INFO L309 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-10-15 15:33:20,110 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:20,111 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:20,111 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:20,111 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:20,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,129 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-10-15 15:33:20,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,130 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:20,130 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:20,131 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:20,131 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:20,156 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:20,175 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:33:20,175 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:20,175 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:20,176 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:20,176 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:20,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,210 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:33:20,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:20,210 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:20,211 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:20,211 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:20,217 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:24,302 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:24,331 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:24,331 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d10ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:24, skipping insertion in model container [2024-10-15 15:33:24,331 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:24,333 INFO L158 Benchmark]: Toolchain (without parser) took 9470.74ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 55.1MB in the end (delta: -7.1MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:24,333 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:24,334 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.0MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:24,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.81ms. Allocated memory is still 81.8MB. Free memory was 47.8MB in the beginning and 56.7MB in the end (delta: -8.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-10-15 15:33:24,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.29ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 55.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:24,335 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 81.8MB. Free memory was 55.6MB in the beginning and 53.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:24,336 INFO L158 Benchmark]: RCFGBuilder took 579.98ms. Allocated memory is still 81.8MB. Free memory was 53.9MB in the beginning and 38.9MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:24,336 INFO L158 Benchmark]: Referee took 8521.57ms. Allocated memory is still 81.8MB. Free memory was 38.9MB in the beginning and 55.1MB in the end (delta: -16.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2024-10-15 15:33:24,339 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 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. 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 check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.91ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.0MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.81ms. Allocated memory is still 81.8MB. Free memory was 47.8MB in the beginning and 56.7MB in the end (delta: -8.9MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.29ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 55.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 81.8MB. Free memory was 55.6MB in the beginning and 53.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 579.98ms. Allocated memory is still 81.8MB. Free memory was 53.9MB in the beginning and 38.9MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8521.57ms. Allocated memory is still 81.8MB. Free memory was 38.9MB in the beginning and 55.1MB in the end (delta: -16.3MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:24,389 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...