This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:15,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:15,138 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:15,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:15,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:15,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:15,174 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:15,175 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:15,176 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:15,177 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:15,177 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:15,178 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:15,178 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:15,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:15,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:15,180 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:15,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:15,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:15,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:15,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:15,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:15,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:15,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:15,186 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:15,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:15,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:15,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:15,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:15,187 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:15,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:15,188 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:15,188 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:15,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:15,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:15,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:15,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:15,560 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:15,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/heavy-2.c [2024-10-15 15:30:17,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:17,301 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:17,302 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/heavy-2.c [2024-10-15 15:30:17,308 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9a186998a/61e450b6d46b4165bbd80a274b379ed7/FLAG14e12381a [2024-10-15 15:30:17,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9a186998a/61e450b6d46b4165bbd80a274b379ed7 [2024-10-15 15:30:17,323 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:17,323 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:17,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/heavy-2.yml/witness-2.1.yml [2024-10-15 15:30:17,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:17,381 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:17,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:17,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:17,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:17,392 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:17" (1/2) ... [2024-10-15 15:30:17,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3307b1 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 15:30:17,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:17" (1/2) ... [2024-10-15 15:30:17,395 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@558c1c90 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 15:30:17,396 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 15:30:17,396 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e3307b1 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 15:30:17,396 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 15:30:17,404 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:17,405 INFO L1541 ArrayList]: Loop invariant at [L13-L15] (a == 1) [2024-10-15 15:30:17,405 INFO L1541 ArrayList]: Loop invariant at [L12-L15] (a == 1) [2024-10-15 15:30:17,408 INFO L1541 ArrayList]: Loop invariant at [L14-L15] (a == 1) [2024-10-15 15:30:17,408 INFO L1541 ArrayList]: Location invariant before [L21-L21] 0 [2024-10-15 15:30:17,423 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:17,618 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/heavy-2.c[600,613] [2024-10-15 15:30:17,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:17,682 INFO L200 MainTranslator]: Completed pre-run Start Parsing Local Start Parsing Local Start Parsing Local [2024-10-15 15:30:17,726 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/heavy-2.c[600,613] Start Parsing Local [2024-10-15 15:30:17,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:17,786 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:17,787 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:17 WrapperNode [2024-10-15 15:30:17,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:17,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:17,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:17,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:17,795 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,804 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,810 INFO L138 Inliner]: procedures = 12, calls = 13, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:17,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:17,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:17,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:17,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:17,822 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,822 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,824 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,848 INFO L175 MemorySlicer]: Split 8 memory accesses to 2 slices as follows [2, 6]. 75 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-10-15 15:30:17,848 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,848 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,856 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,860 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,866 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,867 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:17,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:17,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:17,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:17,874 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 03:30:17" (1/1) ... [2024-10-15 15:30:17,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:17,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:17,904 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 15:30:17,908 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 15:30:17,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-15 15:30:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-15 15:30:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:17,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:17,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:17,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-15 15:30:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-15 15:30:17,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:17,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-15 15:30:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-15 15:30:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-15 15:30:17,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-15 15:30:18,063 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:18,066 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:18,206 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:18,261 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:18,262 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-15 15:30:18,262 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 15:30:18,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:18,265 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:18,265 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:18,266 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:18,266 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:17" (1/4) ... [2024-10-15 15:30:18,267 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f1bac13 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 15:30:18,267 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 15:30:18,268 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f1bac13 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 15:30:18,268 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 03:30:17" (3/4) ... [2024-10-15 15:30:18,269 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f1bac13 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 15:30:18,269 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 15:30:18,270 INFO L79 RefereeObserver]: Analyzing ICFG heavy-2.c [2024-10-15 15:30:18,274 INFO L113 InvariantChecker]: Found 3 loops. [2024-10-15 15:30:18,275 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:30:18,276 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L14-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:30:18,276 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:30:18,276 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L13-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:30:18,276 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L14-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:30:18,277 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L12-4 to ERROR_LOC mainErr4ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 6 edges. [2024-10-15 15:30:18,277 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L13-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:30:18,277 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 15:30:18,277 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:30:18,327 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:18,328 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,329 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,329 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,330 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,346 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:30:18,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,348 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,349 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,349 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,352 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,368 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:18,387 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:18,390 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,390 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,390 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,390 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,397 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:30:18,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,399 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,400 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,400 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,401 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,414 INFO L520 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:18,431 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:18,433 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,433 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,433 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,433 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,436 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:18,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,438 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,438 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,439 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,440 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:18,455 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:18,456 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,456 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,459 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,459 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,461 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:18,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,462 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,465 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,465 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,465 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,467 INFO L520 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:18,476 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:18,477 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,477 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,477 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,477 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,482 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:18,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,482 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,483 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,483 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,485 INFO L520 InvariantChecker]: The annotation(s) from loop head L14-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:18,490 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-10-15 15:30:18,491 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,491 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,491 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,491 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,494 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:30:18,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,495 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,495 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,495 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,496 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,497 INFO L520 InvariantChecker]: The annotation(s) from loop head L12-4 to error location mainErr4ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:18,505 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:18,505 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,506 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,506 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,506 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,510 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:30:18,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,510 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,511 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,512 INFO L520 InvariantChecker]: The annotation(s) from loop head L13-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:18,517 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:30:18,518 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:18,518 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:18,518 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:18,518 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:18,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,520 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:30:18,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:18,520 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:18,521 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:18,521 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:18,521 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:18,526 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:30:18,530 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:18,534 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3f1bac13 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:18, skipping insertion in model container [2024-10-15 15:30:18,534 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:18,536 INFO L158 Benchmark]: Toolchain (without parser) took 1154.49ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 55.6MB in the beginning and 57.6MB in the end (delta: -2.0MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-10-15 15:30:18,538 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory is still 30.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:18,538 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 75.5MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:18,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.31ms. Allocated memory is still 75.5MB. Free memory was 55.3MB in the beginning and 52.9MB in the end (delta: 2.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-10-15 15:30:18,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.35ms. Allocated memory is still 75.5MB. Free memory was 52.9MB in the beginning and 52.0MB in the end (delta: 946.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:18,541 INFO L158 Benchmark]: Boogie Preprocessor took 57.03ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 50.0MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-15 15:30:18,542 INFO L158 Benchmark]: RCFGBuilder took 394.40ms. Allocated memory is still 75.5MB. Free memory was 50.0MB in the beginning and 37.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:18,543 INFO L158 Benchmark]: Referee took 269.62ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 37.0MB in the beginning and 57.6MB in the end (delta: -20.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-10-15 15:30:18,547 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 12. Annotation is valid for all loop-free paths from loop head at line 13 to loop head at line 12. Annotation is valid for all loop-free paths from loop head at line 12 to check that invariant of correctness witness holds at line 21. Annotation is valid for all loop-free paths from loop head at line 13 to loop head at line 14. Annotation is valid for all loop-free paths from loop head at line 14 to loop head at line 13. Annotation is valid for all loop-free paths from loop head at line 14 to loop head at line 14. Annotation is valid for all loop-free paths from loop head at line 12 to check that a call to reach_error is unreachable at line 21. Annotation is valid for all loop-free paths from loop head at line 12 to loop head at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory is still 30.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 75.5MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.31ms. Allocated memory is still 75.5MB. Free memory was 55.3MB in the beginning and 52.9MB in the end (delta: 2.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.35ms. Allocated memory is still 75.5MB. Free memory was 52.9MB in the beginning and 52.0MB in the end (delta: 946.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.03ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 50.0MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 394.40ms. Allocated memory is still 75.5MB. Free memory was 50.0MB in the beginning and 37.0MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 269.62ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 37.0MB in the beginning and 57.6MB in the end (delta: -20.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:18,581 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...