This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:28,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:29,063 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:29,069 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:29,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:29,099 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:29,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:29,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:29,102 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:29,102 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:29,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:29,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:29,103 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:29,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:29,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:29,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:29,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:29,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:29,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:29,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:29,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:29,113 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:29,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:29,114 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:29,114 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:29,114 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:29,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:29,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:29,115 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:29,116 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:29,116 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:29,116 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:29,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:29,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:29,459 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:29,460 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:29,461 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:29,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_by_3_abstracted.yml/witness-2.1.yml [2024-10-15 15:31:29,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:29,514 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:29,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sum_by_3_abstracted.c [2024-10-15 15:31:31,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:31,319 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:31,319 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sum_by_3_abstracted.c [2024-10-15 15:31:31,328 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a186c52db/c0cca058bdab4ddeab8404c93e838c77/FLAG78c50b880 [2024-10-15 15:31:31,348 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a186c52db/c0cca058bdab4ddeab8404c93e838c77 [2024-10-15 15:31:31,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:31,351 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:31,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:31,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:31,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:31,360 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 03:31:29" (1/2) ... [2024-10-15 15:31:31,364 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6d3d37 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31, skipping insertion in model container [2024-10-15 15:31:31,364 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 03:31:29" (1/2) ... [2024-10-15 15:31:31,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6d381e1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31, skipping insertion in model container [2024-10-15 15:31:31,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:31" (2/2) ... [2024-10-15 15:31:31,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6d3d37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31, skipping insertion in model container [2024-10-15 15:31:31,366 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:31" (2/2) ... [2024-10-15 15:31:31,379 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:31,383 INFO L1541 ArrayList]: Loop invariant at [L46-L48] ((((((k == 0) && (n <= 0)) && (j == 0)) && (i == 0)) || (((((((((unsigned long long) i * 4294967293) + 60000003) % 4294967296) <= 60000000) && (k == j)) && (i == j)) && (i <= 20000001)) && (n <= ((j >= 0) ? (j % 4294967296) : ((j % 4294967296) + 4294967296))))) && (SIZE == 20000001)) [2024-10-15 15:31:31,384 INFO L1541 ArrayList]: Loop invariant at [L42-L44] (((((n <= 0) && (j == 0)) && (i == 0)) || ((((((((unsigned long long) i * 4294967293) + 60000003) % 4294967296) <= 60000000) && (n <= i)) && (i == j)) && (i <= 20000001))) && (SIZE == 20000001)) [2024-10-15 15:31:31,384 INFO L1541 ArrayList]: Function contract at [L18]: requires ((cond != 0) && (SIZE == 20000001)), ensures (((cond != 0) && (SIZE == 20000001)) && (SIZE == \old(SIZE))) [2024-10-15 15:31:31,396 INFO L1541 ArrayList]: Function contract at [L26]: requires (SIZE == 20000001), ensures ((SIZE == 20000001) && (SIZE == \old(SIZE))) [2024-10-15 15:31:31,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:31,595 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-crafted-1/sum_by_3_abstracted.c[824,837] [2024-10-15 15:31:31,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:31,624 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:31,663 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-crafted-1/sum_by_3_abstracted.c[824,837] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-10-15 15:31:31,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:31,700 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:31,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31 WrapperNode [2024-10-15 15:31:31,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:31,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:31,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:31,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:31,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,731 INFO L138 Inliner]: procedures = 21, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:31,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:31,732 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:31,732 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:31,732 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:31,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,744 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,757 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 15:31:31,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,757 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:31,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:31,773 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:31,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:31,774 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:31,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:31,803 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 15:31:31,808 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 15:31:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:31,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:31,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:31,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:31,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:31,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:31,913 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:31,915 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:31,990 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:32,099 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:32,115 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:32,145 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:32,146 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-15 15:31:32,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:32 BoogieIcfgContainer [2024-10-15 15:31:32,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:32,147 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:32,149 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:32,150 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:32,150 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 03:31:29" (1/4) ... [2024-10-15 15:31:32,150 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36532757 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:32, skipping insertion in model container [2024-10-15 15:31:32,150 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:31" (2/4) ... [2024-10-15 15:31:32,151 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36532757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:32, skipping insertion in model container [2024-10-15 15:31:32,151 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:31" (3/4) ... [2024-10-15 15:31:32,151 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36532757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:32, skipping insertion in model container [2024-10-15 15:31:32,151 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:32" (4/4) ... [2024-10-15 15:31:32,152 INFO L79 RefereeObserver]: Analyzing ICFG sum_by_3_abstracted.c [2024-10-15 15:31:32,158 INFO L113 InvariantChecker]: Found 2 loops. [2024-10-15 15:31:32,159 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:32,159 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:32,160 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:31:32,160 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 15:31:32,160 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 12 edges. [2024-10-15 15:31:32,161 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:32,161 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 15:31:32,161 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 15:31:32,162 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-3 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 6 edges. [2024-10-15 15:31:32,162 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:32,163 INFO L131 InvariantChecker]: Will check 2 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, 4 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:32,233 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:31:32,235 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,235 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,236 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,237 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,268 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:31:32,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,273 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,283 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,329 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:32,349 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:32,350 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,351 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,351 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,351 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,363 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:32,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,364 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,364 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,364 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,364 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,373 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:32,392 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:32,393 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,393 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,393 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,394 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,394 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,406 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:32,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,407 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,407 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,412 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,418 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:32,432 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:32,434 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,434 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,434 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,435 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,437 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:32,437 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,437 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,438 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,439 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,444 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:32,457 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 12 edges [2024-10-15 15:31:32,458 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,458 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,458 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,458 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,458 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,492 INFO L101 BaseMinimizeStates]: Removed 28 edges and 7 locations by large block encoding [2024-10-15 15:31:32,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,492 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,492 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,493 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,498 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,524 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:32,540 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:32,540 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,540 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,541 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,541 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,556 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:32,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,556 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,557 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,557 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,558 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,562 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:32,573 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:32,573 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,574 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,574 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,574 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,576 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:32,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,578 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,578 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,580 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:32,591 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:32,593 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,593 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,593 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,593 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,595 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:32,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,595 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,595 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,596 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,597 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:32,604 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-10-15 15:31:32,605 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,605 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,605 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,605 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,614 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:31:32,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,614 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,615 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,615 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,617 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-3 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:32,623 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:32,623 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:32,624 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:32,624 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:32,624 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:32,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,625 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:32,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:32,626 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:32,626 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:32,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:32,626 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:32,628 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:32,631 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:32,632 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36532757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:32, skipping insertion in model container [2024-10-15 15:31:32,632 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:32,633 INFO L158 Benchmark]: Toolchain (without parser) took 1281.54ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 33.1MB in the beginning and 57.2MB in the end (delta: -24.1MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:32,634 INFO L158 Benchmark]: Witness Parser took 0.51ms. Allocated memory is still 48.2MB. Free memory is still 24.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:32,634 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 48.2MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:32,635 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.71ms. Allocated memory is still 69.2MB. Free memory was 32.9MB in the beginning and 35.9MB in the end (delta: -3.0MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:32,635 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.27ms. Allocated memory is still 69.2MB. Free memory was 35.9MB in the beginning and 35.0MB in the end (delta: 922.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:32,636 INFO L158 Benchmark]: Boogie Preprocessor took 39.49ms. Allocated memory is still 69.2MB. Free memory was 34.8MB in the beginning and 33.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:32,636 INFO L158 Benchmark]: RCFGBuilder took 373.94ms. Allocated memory is still 69.2MB. Free memory was 33.3MB in the beginning and 36.4MB in the end (delta: -3.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-10-15 15:31:32,637 INFO L158 Benchmark]: Referee took 484.97ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 36.4MB in the beginning and 57.2MB in the end (delta: -20.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:32,640 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 entry of procedure main to loop head at line 42. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. 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 loop head at line 46 to check that procedure precondition always holds at line 46. 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 46 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 42. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.51ms. Allocated memory is still 48.2MB. Free memory is still 24.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.24ms. Allocated memory is still 48.2MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.71ms. Allocated memory is still 69.2MB. Free memory was 32.9MB in the beginning and 35.9MB in the end (delta: -3.0MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.27ms. Allocated memory is still 69.2MB. Free memory was 35.9MB in the beginning and 35.0MB in the end (delta: 922.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.49ms. Allocated memory is still 69.2MB. Free memory was 34.8MB in the beginning and 33.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 373.94ms. Allocated memory is still 69.2MB. Free memory was 33.3MB in the beginning and 36.4MB in the end (delta: -3.1MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Referee took 484.97ms. Allocated memory was 69.2MB in the beginning and 96.5MB in the end (delta: 27.3MB). Free memory was 36.4MB in the beginning and 57.2MB in the end (delta: -20.9MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:32,672 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...