This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:50,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:50,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:50,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:50,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:50,923 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:50,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:50,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:50,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:50,927 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:50,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:50,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:50,928 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:50,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:50,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:50,930 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:50,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:50,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:50,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:50,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:50,931 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:50,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:50,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:50,935 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:50,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:50,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:50,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:50,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:50,936 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:50,936 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:50,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:50,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:51,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:51,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:51,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:51,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:51,190 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:51,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/fermat2-ll.c [2024-10-15 15:31:52,654 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:52,807 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:52,807 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/fermat2-ll.c [2024-10-15 15:31:52,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e5071b784/8f1c0b392d8d447d9a3d24a602420a12/FLAG728b80828 [2024-10-15 15:31:52,832 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e5071b784/8f1c0b392d8d447d9a3d24a602420a12 [2024-10-15 15:31:52,834 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:52,835 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:52,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll.yml/witness-2.1.yml [2024-10-15 15:31:52,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:52,880 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:52,881 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:52,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:52,884 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:52,885 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:52" (1/2) ... [2024-10-15 15:31:52,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119b950d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:52, skipping insertion in model container [2024-10-15 15:31:52,887 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:52" (1/2) ... [2024-10-15 15:31:52,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70742b8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:52, skipping insertion in model container [2024-10-15 15:31:52,889 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 03:31:52" (2/2) ... [2024-10-15 15:31:52,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119b950d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:52, skipping insertion in model container [2024-10-15 15:31:52,889 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 03:31:52" (2/2) ... [2024-10-15 15:31:52,895 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:52,897 INFO L1541 ArrayList]: Loop invariant at [L33-L44] ((((__int128) v * 2) + ((__int128) u * u)) == (((((__int128) v * v) + ((__int128) u * 2)) + ((long long) A * 4)) + ((__int128) r * 4))) [2024-10-15 15:31:52,897 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:31:52,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:53,049 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/fermat2-ll.c[524,537] [2024-10-15 15:31:53,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:53,071 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:53,101 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/fermat2-ll.c[524,537] Start Parsing Local [2024-10-15 15:31:53,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:53,129 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:53,130 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:53 WrapperNode [2024-10-15 15:31:53,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:53,131 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:53,131 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:53,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:53,136 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,141 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,146 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:53,146 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:53,147 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:53,147 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:53,147 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:53,155 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,155 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,156 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,170 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 15:31:53,172 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,172 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,174 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,177 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,177 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,178 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:53,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:53,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:53,194 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:53,195 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 03:31:53" (1/1) ... [2024-10-15 15:31:53,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:53,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:53,223 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 15:31:53,228 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 15:31:53,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:53,260 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:31:53,260 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:31:53,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:53,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:53,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:53,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:53,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:53,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:53,314 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:53,318 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:53,441 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:53,465 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:53,493 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:53,494 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:53,495 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:53 BoogieIcfgContainer [2024-10-15 15:31:53,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:53,495 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:53,495 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:53,496 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:53,496 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:52" (1/4) ... [2024-10-15 15:31:53,497 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@602ad255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:53, skipping insertion in model container [2024-10-15 15:31:53,498 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 03:31:52" (2/4) ... [2024-10-15 15:31:53,498 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@602ad255 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:53, skipping insertion in model container [2024-10-15 15:31:53,498 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 03:31:53" (3/4) ... [2024-10-15 15:31:53,498 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@602ad255 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:53, skipping insertion in model container [2024-10-15 15:31:53,498 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 03:31:53" (4/4) ... [2024-10-15 15:31:53,499 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll.c [2024-10-15 15:31:53,502 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:53,503 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:31:53,503 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:53,503 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:31:53,503 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:31:53,504 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 15:31:53,504 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 15:31:53,504 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:53,540 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:31:53,543 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:53,544 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:53,544 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:53,545 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:53,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,572 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:31:53,573 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:53,577 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:53,578 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:53,585 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:53,595 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:53,607 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:53,607 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:53,607 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:53,608 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:53,608 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:53,608 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,611 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:53,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,612 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:53,612 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:53,612 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:53,612 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:53,614 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:53,627 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:31:53,627 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:53,627 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:53,627 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:53,627 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:53,627 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,634 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:31:53,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:53,638 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:53,639 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:53,639 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:53,644 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:53,660 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:31:53,661 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:53,663 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:53,663 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:53,663 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:53,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,685 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:31:53,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,686 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:53,686 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:53,687 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:53,691 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:53,694 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:53,702 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:53,702 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:53,702 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:53,703 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:53,703 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:53,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,705 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:53,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:53,706 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:53,706 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:53,706 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:53,711 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:53,720 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:53,720 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:53,721 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:53,721 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:53,721 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:53,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,722 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:53,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:53,722 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:53,723 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:53,723 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:53,723 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:53,724 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:53,727 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:53,727 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@602ad255 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:53, skipping insertion in model container [2024-10-15 15:31:53,727 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:53,728 INFO L158 Benchmark]: Toolchain (without parser) took 848.34ms. Allocated memory is still 107.0MB. Free memory was 75.9MB in the beginning and 49.0MB in the end (delta: 27.0MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:53,729 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:53,729 INFO L158 Benchmark]: Witness Parser took 0.57ms. Allocated memory is still 107.0MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:53,730 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.36ms. Allocated memory is still 107.0MB. Free memory was 75.7MB in the beginning and 61.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:53,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 15.25ms. Allocated memory is still 107.0MB. Free memory was 61.3MB in the beginning and 60.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:53,731 INFO L158 Benchmark]: Boogie Preprocessor took 35.67ms. Allocated memory is still 107.0MB. Free memory was 60.3MB in the beginning and 58.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:53,731 INFO L158 Benchmark]: RCFGBuilder took 311.77ms. Allocated memory is still 107.0MB. Free memory was 58.6MB in the beginning and 74.1MB in the end (delta: -15.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:53,732 INFO L158 Benchmark]: Referee took 232.02ms. Allocated memory is still 107.0MB. Free memory was 74.1MB in the beginning and 49.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:53,734 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 33. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 33. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.57ms. Allocated memory is still 107.0MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.36ms. Allocated memory is still 107.0MB. Free memory was 75.7MB in the beginning and 61.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 15.25ms. Allocated memory is still 107.0MB. Free memory was 61.3MB in the beginning and 60.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.67ms. Allocated memory is still 107.0MB. Free memory was 60.3MB in the beginning and 58.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 311.77ms. Allocated memory is still 107.0MB. Free memory was 58.6MB in the beginning and 74.1MB in the end (delta: -15.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 232.02ms. Allocated memory is still 107.0MB. Free memory was 74.1MB in the beginning and 49.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:53,762 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...