This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:12,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:13,010 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:13,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:13,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:13,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:13,046 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:13,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:13,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:13,048 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:13,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:13,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:13,050 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:13,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:13,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:13,053 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:13,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:13,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:13,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:13,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:13,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:13,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:13,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:13,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:13,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:13,056 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:13,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:13,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:13,056 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:13,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:13,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:13,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:13,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:13,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:13,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:13,423 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:13,424 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:13,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-10-15 15:32:15,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:15,235 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:15,235 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-10-15 15:32:15,248 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/897a75340/af9b49846af04595a17da9da0f127a4e/FLAG90d9dfac6 [2024-10-15 15:32:15,605 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/897a75340/af9b49846af04595a17da9da0f127a4e [2024-10-15 15:32:15,607 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:15,608 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:15,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-10-15 15:32:15,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:15,657 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:15,660 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:15,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:15,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:15,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:15" (1/2) ... [2024-10-15 15:32:15,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502a6f3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:15, skipping insertion in model container [2024-10-15 15:32:15,671 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:15" (1/2) ... [2024-10-15 15:32:15,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fc8ebf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:15, skipping insertion in model container [2024-10-15 15:32:15,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:15" (2/2) ... [2024-10-15 15:32:15,673 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502a6f3c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15, skipping insertion in model container [2024-10-15 15:32:15,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:15" (2/2) ... [2024-10-15 15:32:15,684 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:15,685 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-10-15 15:32:15,685 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-10-15 15:32:15,685 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:32:15,685 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= cond)), ensures (((1 <= counter) && (1 <= cond)) && (counter == \old(counter))) [2024-10-15 15:32:15,706 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:15,885 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i[951,964] [2024-10-15 15:32:15,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:15,910 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:32:15,951 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-10-15 15:32:15,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:15,983 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:15,984 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15 WrapperNode [2024-10-15 15:32:15,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:15,985 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:15,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:15,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:15,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:15,999 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,005 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:16,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:16,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:16,007 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:16,007 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:16,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,021 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,031 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:32:16,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,044 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:16,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:16,051 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:16,051 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:16,051 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (1/1) ... [2024-10-15 15:32:16,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:16,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:16,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-15 15:32:16,087 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-15 15:32:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:16,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:16,220 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:16,222 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:16,293 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:16,400 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:16,418 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:16,459 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:16,459 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:32:16,460 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:16 BoogieIcfgContainer [2024-10-15 15:32:16,460 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:16,460 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:16,460 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:16,462 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:16,462 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:15" (1/4) ... [2024-10-15 15:32:16,463 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@324e7609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:16, skipping insertion in model container [2024-10-15 15:32:16,463 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:15" (2/4) ... [2024-10-15 15:32:16,463 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@324e7609 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:16, skipping insertion in model container [2024-10-15 15:32:16,464 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:15" (3/4) ... [2024-10-15 15:32:16,465 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@324e7609 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:16, skipping insertion in model container [2024-10-15 15:32:16,466 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:16" (4/4) ... [2024-10-15 15:32:16,467 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-10-15 15:32:16,471 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:32:16,472 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:32:16,472 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:16,472 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:32:16,472 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:32:16,473 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:16,473 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:32:16,473 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:16,473 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:16,473 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:16,473 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:32:16,474 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-10-15 15:32:16,527 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:32:16,532 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,532 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,533 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,534 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,611 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:32:16,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,613 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,615 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,616 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,620 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:16,635 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:16,654 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:16,654 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,654 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,655 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,655 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,661 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:16,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,662 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,662 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,662 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,663 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:16,666 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:16,683 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:32:16,684 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,684 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,684 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,684 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,686 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:32:16,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,687 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,687 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,687 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,687 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:16,695 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:16,717 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:32:16,717 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,718 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,718 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,718 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,727 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:32:16,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,728 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,728 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,729 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,729 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:16,735 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:16,749 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:16,750 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,750 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,750 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,750 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,752 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:16,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,752 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,753 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,753 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,753 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:16,758 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:16,769 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:16,769 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,770 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,770 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,770 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,770 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,773 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:16,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,773 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,774 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,777 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:16,779 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:16,791 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:16,793 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,793 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,793 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,794 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,795 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:16,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,796 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,797 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:16,798 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:16,817 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:16,817 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,818 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,818 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,818 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,834 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:16,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,835 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,835 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,835 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,838 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:16,844 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:16,856 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:32:16,856 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,857 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,857 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,858 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,882 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:32:16,883 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,883 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,892 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:16,899 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:16,912 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:32:16,913 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:16,913 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:16,913 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:16,913 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:16,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,931 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:32:16,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:16,932 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:16,933 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:16,933 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:16,936 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:20,940 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:32:20,944 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:32:20,945 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@324e7609 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:20, skipping insertion in model container [2024-10-15 15:32:20,945 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:20,946 INFO L158 Benchmark]: Toolchain (without parser) took 5288.57ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 58.1MB in the beginning and 75.9MB in the end (delta: -17.9MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:20,947 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 50.3MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:20,947 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:20,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.51ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 43.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:20,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.83ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 42.1MB in the end (delta: 945.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:20,949 INFO L158 Benchmark]: Boogie Preprocessor took 43.39ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 40.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:20,949 INFO L158 Benchmark]: RCFGBuilder took 409.22ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 52.0MB in the end (delta: -11.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-10-15 15:32:20,950 INFO L158 Benchmark]: Referee took 4484.72ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 52.0MB in the beginning and 75.9MB in the end (delta: -23.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:20,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 50.3MB. Free memory is still 32.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 83.9MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.51ms. Allocated memory is still 83.9MB. Free memory was 57.8MB in the beginning and 43.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.83ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 42.1MB in the end (delta: 945.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.39ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 40.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.22ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 52.0MB in the end (delta: -11.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Referee took 4484.72ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 52.0MB in the beginning and 75.9MB in the end (delta: -23.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:32:20,978 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 15:32:23,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:23,142 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:32:23,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:23,149 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:23,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:23,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:23,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:23,180 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:23,180 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:23,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:23,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:23,182 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:23,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:23,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:23,186 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:23,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:23,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:23,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:23,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:23,188 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:23,189 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:32:23,189 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:32:23,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:23,190 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:32:23,190 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:23,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:23,191 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:23,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:23,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:23,192 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:23,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:23,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:23,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:23,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:23,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:23,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:23,565 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:23,566 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:23,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound1.yml/witness-2.1.yml [2024-10-15 15:32:23,622 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:23,622 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:23,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-10-15 15:32:25,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:25,426 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:25,427 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i [2024-10-15 15:32:25,432 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d212d7de5/314ecfe870654c589b7957138ceebceb/FLAGf6616756f [2024-10-15 15:32:25,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d212d7de5/314ecfe870654c589b7957138ceebceb [2024-10-15 15:32:25,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:25,829 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:25,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:25,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:25,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:25,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:23" (1/2) ... [2024-10-15 15:32:25,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f33d6ee and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:25, skipping insertion in model container [2024-10-15 15:32:25,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:23" (1/2) ... [2024-10-15 15:32:25,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2bac8ebd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:25, skipping insertion in model container [2024-10-15 15:32:25,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:25" (2/2) ... [2024-10-15 15:32:25,848 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f33d6ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:25, skipping insertion in model container [2024-10-15 15:32:25,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:25" (2/2) ... [2024-10-15 15:32:25,862 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:25,867 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-10-15 15:32:25,867 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-10-15 15:32:25,867 INFO L1541 ArrayList]: Function contract at [L18]: requires ((1 <= counter) && (1 <= cond)), ensures (((1 <= counter) && (1 <= cond)) && (counter == \old(counter))) [2024-10-15 15:32:25,867 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-10-15 15:32:25,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:26,091 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i[951,964] [2024-10-15 15:32:26,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:26,124 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:32:26,164 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound1.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-10-15 15:32:26,178 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:26,198 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:26,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26 WrapperNode [2024-10-15 15:32:26,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:26,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:26,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:26,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:26,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,221 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:26,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:26,223 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:26,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:26,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:26,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,235 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,246 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:32:26,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:26,268 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:26,269 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:26,269 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:26,270 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (1/1) ... [2024-10-15 15:32:26,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:26,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:26,301 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-15 15:32:26,304 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-15 15:32:26,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:32:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:26,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:26,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:26,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:26,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:26,437 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:26,440 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:26,527 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:26,736 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:26,752 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:26,780 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:26,781 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:32:26,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:26 BoogieIcfgContainer [2024-10-15 15:32:26,781 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:26,782 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:26,782 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:26,783 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:26,783 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:32:23" (1/4) ... [2024-10-15 15:32:26,786 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31d70edb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:26, skipping insertion in model container [2024-10-15 15:32:26,786 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:25" (2/4) ... [2024-10-15 15:32:26,787 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31d70edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:26, skipping insertion in model container [2024-10-15 15:32:26,788 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:26" (3/4) ... [2024-10-15 15:32:26,788 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31d70edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:26, skipping insertion in model container [2024-10-15 15:32:26,788 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:26" (4/4) ... [2024-10-15 15:32:26,789 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound1.i [2024-10-15 15:32:26,794 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:32:26,794 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:32:26,794 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:26,794 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:32:26,795 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:32:26,795 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:26,795 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:32:26,795 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:26,795 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:26,796 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:26,796 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:32:26,797 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:32:26,844 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:32:26,845 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,845 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,846 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,848 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,898 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-10-15 15:32:26,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,900 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,905 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,917 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:26,935 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:32:26,935 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,936 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,936 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,936 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,943 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:32:26,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,944 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,944 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,944 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,945 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,948 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:26,961 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:32:26,962 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:26,962 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:26,962 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:26,962 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:26,962 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,965 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:32:26,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:26,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:26,965 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:26,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:26,966 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:26,972 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:26,989 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:32:27,003 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,004 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,004 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,004 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,020 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:32:27,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,020 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,020 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,020 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,021 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,026 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:27,041 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:27,041 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,042 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,042 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,042 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,042 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,043 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:27,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,044 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,044 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,044 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,044 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,048 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:27,064 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:27,064 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,064 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,065 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,065 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,068 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:27,068 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,068 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,068 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,070 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,071 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:27,083 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:27,084 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,084 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,084 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,084 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,088 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:27,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,089 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,089 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,089 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,091 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:27,106 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:27,107 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,107 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,108 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,108 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,118 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:27,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,119 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,119 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,120 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,122 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,143 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:32:27,144 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,144 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,144 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,144 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,160 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-10-15 15:32:27,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,160 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,160 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,160 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,173 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,185 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:27,198 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:32:27,198 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:27,199 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:27,199 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:27,199 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:27,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,214 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-10-15 15:32:27,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:27,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:27,215 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:27,215 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:27,219 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:27,243 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-10-15 15:32:27,247 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31d70edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:27, skipping insertion in model container [2024-10-15 15:32:27,247 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:27,249 INFO L158 Benchmark]: Toolchain (without parser) took 1420.02ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 39.9MB in the beginning and 65.2MB in the end (delta: -25.2MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-10-15 15:32:27,250 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 52.4MB. Free memory is still 30.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:27,250 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 28.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:27,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.54ms. Allocated memory is still 77.6MB. Free memory was 39.7MB in the beginning and 44.7MB in the end (delta: -5.0MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-10-15 15:32:27,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.45ms. Allocated memory is still 77.6MB. Free memory was 44.4MB in the beginning and 43.4MB in the end (delta: 938.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:27,253 INFO L158 Benchmark]: Boogie Preprocessor took 44.57ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 41.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:27,255 INFO L158 Benchmark]: RCFGBuilder took 513.25ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 50.8MB in the end (delta: -9.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:32:27,256 INFO L158 Benchmark]: Referee took 465.53ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.8MB in the beginning and 65.2MB in the end (delta: -14.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-10-15 15:32:27,260 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 34 to loop head at line 38. One counterexample starts in \old(counter)=0, A=0, b=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=0, counter=-2147483648, q=0, r=0. Annotation is not valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. One counterexample starts in \old(counter)=0, A=-1, B=0, b=0, counter=2147483647, q=0, r=-1 and ends in \old(counter)=0, A=-1, B=0, b=0, counter=-2147483648, q=0, r=-1. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 52.4MB. Free memory is still 30.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory is still 28.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.54ms. Allocated memory is still 77.6MB. Free memory was 39.7MB in the beginning and 44.7MB in the end (delta: -5.0MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.45ms. Allocated memory is still 77.6MB. Free memory was 44.4MB in the beginning and 43.4MB in the end (delta: 938.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.57ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 41.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 513.25ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 50.8MB in the end (delta: -9.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 465.53ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.8MB in the beginning and 65.2MB in the end (delta: -14.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 15:32:27,300 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...