This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:58,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:58,933 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:58,939 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:58,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:58,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:58,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:58,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:58,969 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:58,970 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:58,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:58,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:58,973 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:58,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:58,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:58,974 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:58,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:58,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:58,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:58,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:58,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:58,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:58,978 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:58,980 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:58,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:58,981 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:58,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:58,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:58,981 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:58,982 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:58,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:58,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:59,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:59,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:59,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:59,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:59,298 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:59,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2024-10-15 15:34:00,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:34:01,093 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:34:01,094 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2024-10-15 15:34:01,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/29ad8049b/091c5f9fe8f1493dad5ccbfa2330712c/FLAG5b26f1a25 [2024-10-15 15:34:01,123 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/29ad8049b/091c5f9fe8f1493dad5ccbfa2330712c [2024-10-15 15:34:01,126 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:34:01,127 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:34:01,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sqrt1-ll_valuebound5.yml/witness-2.1.yml [2024-10-15 15:34:01,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:34:01,178 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:34:01,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:01,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:34:01,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:34:01,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:01" (1/2) ... [2024-10-15 15:34:01,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b862df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:01, skipping insertion in model container [2024-10-15 15:34:01,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:34:01" (1/2) ... [2024-10-15 15:34:01,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@140b6d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:34:01, skipping insertion in model container [2024-10-15 15:34:01,190 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 03:34:01" (2/2) ... [2024-10-15 15:34:01,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b862df and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:01, skipping insertion in model container [2024-10-15 15:34:01,190 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 03:34:01" (2/2) ... [2024-10-15 15:34:01,201 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:34:01,202 INFO L1541 ArrayList]: Loop invariant at [L30-L42] ((((((__int128) a * 2) + ((__int128) a * a)) + 1) == s) && (t == (((__int128) a * 2) + 1))) [2024-10-15 15:34:01,202 INFO L1541 ArrayList]: Function contract at [L11]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:34:01,222 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:34:01,404 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/sqrt1-ll_valuebound5.c[520,533] [2024-10-15 15:34:01,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:01,433 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:34:01,470 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/sqrt1-ll_valuebound5.c[520,533] Start Parsing Local [2024-10-15 15:34:01,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:34:01,501 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:34:01,502 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:34:01 WrapperNode [2024-10-15 15:34:01,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:34:01,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:01,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:34:01,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:34:01,510 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,517 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,522 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:34:01,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:34:01,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:34:01,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:34:01,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:34:01,534 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,534 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,535 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,545 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:34:01,546 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,546 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,548 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,551 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,552 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,553 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:34:01,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:34:01,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:34:01,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:34:01,557 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 03:34:01" (1/1) ... [2024-10-15 15:34:01,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:34:01,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:34:01,585 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 15:34:01,589 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 15:34:01,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:34:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:34:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:34:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:34:01,640 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:34:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:34:01,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:34:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:34:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:34:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:34:01,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:34:01,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:34:01,699 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:34:01,701 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:34:01,871 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:34:01,902 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:34:01,928 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:34:01,928 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:34:01,929 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:34:01 BoogieIcfgContainer [2024-10-15 15:34:01,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:34:01,930 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:34:01,930 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:34:01,931 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:34:01,931 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:34:01" (1/4) ... [2024-10-15 15:34:01,932 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2303d813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:34:01, skipping insertion in model container [2024-10-15 15:34:01,933 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 03:34:01" (2/4) ... [2024-10-15 15:34:01,933 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2303d813 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:34:01, skipping insertion in model container [2024-10-15 15:34:01,933 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 03:34:01" (3/4) ... [2024-10-15 15:34:01,933 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2303d813 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:34:01, skipping insertion in model container [2024-10-15 15:34:01,934 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 03:34:01" (4/4) ... [2024-10-15 15:34:01,935 INFO L79 RefereeObserver]: Analyzing ICFG sqrt1-ll_valuebound5.c [2024-10-15 15:34:01,940 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:34:01,941 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:34:01,941 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-10-15 15:34:01,942 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:34:01,944 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 10 edges. [2024-10-15 15:34:01,944 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:34:01,944 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-10-15 15:34:01,944 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 11 edges. [2024-10-15 15:34:01,944 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 15:34:01,944 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 15:34:01,945 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:34:01,945 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:34:02,009 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-10-15 15:34:02,010 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,011 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,011 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,012 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,014 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,049 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-10-15 15:34:02,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,051 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,051 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,052 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,052 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,072 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:34:02,093 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:34:02,093 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,093 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,093 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,094 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,097 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:34:02,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,098 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,098 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,098 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,098 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,108 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:34:02,130 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:34:02,130 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,131 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,131 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,131 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,138 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:34:02,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,139 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,139 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,139 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,139 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,144 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:34:02,160 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-10-15 15:34:02,160 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,160 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,161 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,161 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,176 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-10-15 15:34:02,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,179 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,179 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,179 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,182 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,186 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:34:02,208 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:34:02,208 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,208 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,209 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,209 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,211 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:34:02,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,212 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,212 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,212 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,215 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:34:02,230 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-10-15 15:34:02,231 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,231 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,231 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,231 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,231 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,239 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-10-15 15:34:02,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,240 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,241 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,242 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:34:02,256 INFO L309 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-10-15 15:34:02,257 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,257 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,257 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,257 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,274 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-10-15 15:34:02,275 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,275 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,275 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,276 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,278 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:34:02,286 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:34:02,286 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,286 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,286 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,287 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,289 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:34:02,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,290 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,291 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,292 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:34:02,299 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:34:02,300 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,300 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,300 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,300 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,301 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:34:02,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,302 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,302 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,302 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,302 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,304 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:34:02,313 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:34:02,314 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:34:02,314 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:34:02,314 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:34:02,314 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:34:02,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,318 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:34:02,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:34:02,319 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:34:02,319 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:34:02,319 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:34:02,319 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:34:02,326 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:34:02,330 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:34:02,334 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2303d813 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:34:02, skipping insertion in model container [2024-10-15 15:34:02,335 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:34:02,336 INFO L158 Benchmark]: Toolchain (without parser) took 1157.31ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 28.8MB in the beginning and 33.5MB in the end (delta: -4.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-10-15 15:34:02,337 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 26.3MB in the beginning and 26.2MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:02,337 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 30.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:02,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.08ms. Allocated memory is still 62.9MB. Free memory was 28.6MB in the beginning and 36.2MB in the end (delta: -7.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-10-15 15:34:02,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.77ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 35.3MB in the end (delta: 904.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:34:02,342 INFO L158 Benchmark]: Boogie Preprocessor took 31.20ms. Allocated memory is still 62.9MB. Free memory was 35.3MB in the beginning and 33.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:34:02,343 INFO L158 Benchmark]: RCFGBuilder took 373.51ms. Allocated memory is still 62.9MB. Free memory was 33.4MB in the beginning and 40.1MB in the end (delta: -6.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-10-15 15:34:02,343 INFO L158 Benchmark]: Referee took 405.05ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 40.1MB in the beginning and 34.0MB in the end (delta: 6.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2024-10-15 15:34:02,348 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 30. 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 30 to loop head at line 30. 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 30. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 32. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 48.2MB. Free memory was 26.3MB in the beginning and 26.2MB in the end (delta: 78.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 30.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.08ms. Allocated memory is still 62.9MB. Free memory was 28.6MB in the beginning and 36.2MB in the end (delta: -7.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.77ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 35.3MB in the end (delta: 904.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.20ms. Allocated memory is still 62.9MB. Free memory was 35.3MB in the beginning and 33.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.51ms. Allocated memory is still 62.9MB. Free memory was 33.4MB in the beginning and 40.1MB in the end (delta: -6.7MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Referee took 405.05ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 40.1MB in the beginning and 34.0MB in the end (delta: 6.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:34:02,380 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...