This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:15,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:15,103 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:15,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:15,109 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:15,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:15,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:15,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:15,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:15,139 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:15,140 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:15,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:15,141 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:15,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:15,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:15,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:15,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:15,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:15,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:15,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:15,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:15,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:15,146 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:15,146 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:15,147 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:15,147 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:15,147 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:15,147 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:15,148 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:15,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:15,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:15,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:15,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:15,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:15,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:15,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:15,490 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:15,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/lu.cmp.c [2024-10-15 15:30:17,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:17,282 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:17,283 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/lu.cmp.c [2024-10-15 15:30:17,290 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5e62f6ce0/c880f47b964543f89fcd08517decef81/FLAG400537d6a [2024-10-15 15:30:17,657 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5e62f6ce0/c880f47b964543f89fcd08517decef81 [2024-10-15 15:30:17,659 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:17,659 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:17,660 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lu.cmp.yml/witness-2.1.yml [2024-10-15 15:30:17,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:17,703 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:17,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:17,704 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:17,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:17,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:17" (1/2) ... [2024-10-15 15:30:17,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6306b683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:17, skipping insertion in model container [2024-10-15 15:30:17,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:17" (1/2) ... [2024-10-15 15:30:17,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74771d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:17, skipping insertion in model container [2024-10-15 15:30:17,714 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 03:30:17" (2/2) ... [2024-10-15 15:30:17,714 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6306b683 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:17, skipping insertion in model container [2024-10-15 15:30:17,715 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 03:30:17" (2/2) ... [2024-10-15 15:30:17,723 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:17,724 INFO L1541 ArrayList]: Loop invariant at [L93-L104] ((i <= 49) && (5 == n)) [2024-10-15 15:30:17,724 INFO L1541 ArrayList]: Loop invariant at [L96-L101] ((i <= 5) && (5 == n)) [2024-10-15 15:30:17,724 INFO L1541 ArrayList]: Function contract at [L5]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:30:17,749 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:17,932 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/loops/lu.cmp.c[318,331] [2024-10-15 15:30:17,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:17,991 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:18,029 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/loops/lu.cmp.c[318,331] Start Parsing Local Start Parsing Local [2024-10-15 15:30:18,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:18,091 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:18,092 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:18 WrapperNode [2024-10-15 15:30:18,093 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:18,094 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:18,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:18,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:18,101 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,110 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,119 INFO L138 Inliner]: procedures = 17, calls = 47, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:18,120 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:18,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:18,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:18,121 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:18,131 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,132 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,135 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,151 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-10-15 15:30:18,151 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,151 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,168 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,184 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,186 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,190 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,193 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:18,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:18,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:18,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:18,199 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 03:30:18" (1/1) ... [2024-10-15 15:30:18,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:18,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:18,235 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 15:30:18,242 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 15:30:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ludcmp [2024-10-15 15:30:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ludcmp [2024-10-15 15:30:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure fabs [2024-10-15 15:30:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs [2024-10-15 15:30:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:18,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-15 15:30:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-10-15 15:30:18,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-10-15 15:30:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:18,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:18,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-15 15:30:18,394 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:18,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:18,707 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:18,721 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:18,772 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:18,773 INFO L314 CfgBuilder]: Removed 11 assume(true) statements. [2024-10-15 15:30:18,774 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:18 BoogieIcfgContainer [2024-10-15 15:30:18,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:18,775 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:18,776 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:18,777 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:18,777 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:17" (1/4) ... [2024-10-15 15:30:18,778 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32cf7d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:18, skipping insertion in model container [2024-10-15 15:30:18,778 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 03:30:17" (2/4) ... [2024-10-15 15:30:18,778 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32cf7d4b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:18, skipping insertion in model container [2024-10-15 15:30:18,779 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 03:30:18" (3/4) ... [2024-10-15 15:30:18,780 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32cf7d4b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:18, skipping insertion in model container [2024-10-15 15:30:18,780 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 03:30:18" (4/4) ... [2024-10-15 15:30:18,781 INFO L79 RefereeObserver]: Analyzing ICFG lu.cmp.c [2024-10-15 15:30:18,784 INFO L113 InvariantChecker]: Found 11 loops. [2024-10-15 15:30:18,785 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:30:18,786 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L93-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:30:18,786 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:30:18,786 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L96-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:30:18,786 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:30:18,786 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 15:30:18,786 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 15:30:18,787 INFO L131 InvariantChecker]: Will check 1 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, 3 loop-free subgraphs from loop head to loop head [2024-10-15 15:30:18,851 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-10-15 15:30:18,855 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,855 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,856 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,857 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,882 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-10-15 15:30:18,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,884 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,884 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,885 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,890 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,907 INFO L520 InvariantChecker]: The annotation(s) from loop head L96-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:18,929 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:18,931 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,931 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,932 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,932 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,934 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:18,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,935 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,935 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,935 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,936 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,938 INFO L520 InvariantChecker]: The annotation(s) from loop head L93-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:18,962 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:30:18,965 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,965 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,965 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,965 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,966 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,967 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:30:18,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,968 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,970 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,971 INFO L520 InvariantChecker]: The annotation(s) from loop head L96-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:18,989 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-10-15 15:30:18,989 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,989 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,989 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,990 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,994 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:30:18,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,995 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,995 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,995 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,997 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,999 INFO L520 InvariantChecker]: The annotation(s) from loop head L96-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:19,016 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:30:19,016 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:19,016 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:19,017 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:19,017 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:19,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:19,019 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:30:19,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:19,019 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:19,020 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:19,020 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:19,020 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:19,025 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:19,039 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:19,039 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:19,040 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:19,040 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:19,040 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:19,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:19,042 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:19,042 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:19,042 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:19,042 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:19,042 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:19,043 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:19,045 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:19,058 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:19,058 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:19,058 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:19,058 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:19,059 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:19,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:19,060 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:19,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:19,060 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:19,061 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:19,061 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:19,061 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:19,062 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:19,066 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:19,067 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32cf7d4b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:19, skipping insertion in model container [2024-10-15 15:30:19,067 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:19,069 INFO L158 Benchmark]: Toolchain (without parser) took 1364.48ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 48.7MB in the beginning and 43.3MB in the end (delta: 5.4MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:19,069 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 44.0MB. Free memory was 21.9MB in the beginning and 21.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:19,070 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 71.3MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:19,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.57ms. Allocated memory is still 71.3MB. Free memory was 48.5MB in the beginning and 32.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:30:19,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.31ms. Allocated memory is still 71.3MB. Free memory was 32.1MB in the beginning and 30.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:19,073 INFO L158 Benchmark]: Boogie Preprocessor took 75.99ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 50.3MB in the end (delta: -19.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:30:19,073 INFO L158 Benchmark]: RCFGBuilder took 576.74ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 28.8MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-15 15:30:19,074 INFO L158 Benchmark]: Referee took 291.55ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 28.8MB in the beginning and 43.3MB in the end (delta: -14.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-10-15 15:30:19,078 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 96 to loop head at line 93. Annotation is valid for all loop-free paths from loop head at line 93 to loop head at line 96. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 93. 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 7. Annotation is valid for all loop-free paths from loop head at line 96 to loop head at line 96. Annotation is valid for all loop-free paths from loop head at line 96 to check that procedure precondition always holds at line 96. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 44.0MB. Free memory was 21.9MB in the beginning and 21.9MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 71.3MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.57ms. Allocated memory is still 71.3MB. Free memory was 48.5MB in the beginning and 32.1MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.31ms. Allocated memory is still 71.3MB. Free memory was 32.1MB in the beginning and 30.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.99ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 50.3MB in the end (delta: -19.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 576.74ms. Allocated memory is still 71.3MB. Free memory was 50.0MB in the beginning and 28.8MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 291.55ms. Allocated memory was 71.3MB in the beginning and 98.6MB in the end (delta: 27.3MB). Free memory was 28.8MB in the beginning and 43.3MB in the end (delta: -14.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:19,102 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...