./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/sum_by_3.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_by_3.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loops-crafted-1/sum_by_3.c ../results/automizer-verification-files/SV-COMP24_unreach-call/sum_by_3.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:47:33,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:47:33,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:47:33,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:47:33,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:47:33,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:47:33,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:47:33,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:47:33,334 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:47:33,335 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:47:33,335 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:47:33,336 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:47:33,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:47:33,337 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:47:33,339 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:47:33,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:47:33,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:47:33,340 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:47:33,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:47:33,340 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:47:33,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:47:33,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:47:33,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:47:33,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:47:33,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:47:33,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:47:33,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:47:33,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:47:33,346 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:47:33,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:47:33,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:47:33,347 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:47:33,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:33,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:47:33,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:47:33,347 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:47:33,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:47:33,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:47:33,348 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:47:33,348 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:47:33,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:47:33,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:47:33,349 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:47:33,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:47:33,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:47:33,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:47:33,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:47:33,595 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:47:33,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sum_by_3.c [2024-09-11 20:47:35,011 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:47:35,176 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:47:35,176 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sum_by_3.c [2024-09-11 20:47:35,182 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/207650b3c/8c45e4cccb9044bead3b2a29fdc7377c/FLAGc7fa0cca4 [2024-09-11 20:47:35,579 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/207650b3c/8c45e4cccb9044bead3b2a29fdc7377c [2024-09-11 20:47:35,581 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:47:35,582 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:47:35,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sum_by_3.yml/witness-2.1.yml [2024-09-11 20:47:35,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:47:35,638 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:47:35,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:35,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:47:35,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:47:35,645 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:35" (1/2) ... [2024-09-11 20:47:35,646 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef162c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:35, skipping insertion in model container [2024-09-11 20:47:35,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:47:35" (1/2) ... [2024-09-11 20:47:35,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7c3e09fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:47:35, skipping insertion in model container [2024-09-11 20:47:35,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:35" (2/2) ... [2024-09-11 20:47:35,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef162c5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:35, skipping insertion in model container [2024-09-11 20:47:35,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:35" (2/2) ... [2024-09-11 20:47:35,655 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:47:35,656 INFO L1541 ArrayList]: Loop invariant at [L21-L23] ((((i == 0) && ((n % 4294967296) <= 20000001)) && (SIZE == 20000001)) || ((((((4294967295 + i) % 4294967296) + 1) <= (n % 4294967296)) && ((n % 4294967296) <= 20000001)) && (SIZE == 20000001))) [2024-09-11 20:47:35,657 INFO L1541 ArrayList]: Loop invariant at [L29-L31] ((((((((((n % 4294967296) <= (i % 4294967296)) && (((((long long) 3 * i) % 4294967296) / 3) <= 20000001)) && ((n % 4294967296) <= (k % 4294967296))) && (((((i + j) + k) % 4294967296) / 3) <= 20000001)) && ((((((long long) 2 * j) + i) % 4294967296) / 3) <= 20000001)) && (SIZE == 20000001)) && ((n % 4294967296) <= ((long long) j % 4294967296))) || (((((i == 0) && ((n % 4294967296) <= 20000001)) && ((((j + k) % 4294967296) / 3) <= 20000001)) && (SIZE == 20000001)) && ((((long long) (j % 2147483648) * 2) / 3) <= 20000001))) || ((((((((((3 + ((long long) 3 * i)) % 4294967296) / 3) < 20000002) && (((((long long) 3 * i) % 4294967296) / 3) <= 20000001)) && ((n % 4294967296) <= (k % 4294967296))) && (((((i + j) + k) % 4294967296) / 3) <= 20000001)) && ((((((long long) 2 * j) + i) % 4294967296) / 3) <= 20000001)) && (SIZE == 20000001)) && ((n % 4294967296) <= ((long long) j % 4294967296)))) [2024-09-11 20:47:35,657 INFO L1541 ArrayList]: Loop invariant at [L25-L27] (((((((n % 4294967296) <= (i % 4294967296)) && (((((long long) 3 * i) % 4294967296) / 3) <= 20000001)) && ((((((long long) 2 * j) + i) % 4294967296) / 3) <= 20000001)) && (SIZE == 20000001)) && ((n % 4294967296) <= ((long long) j % 4294967296))) || ((((i == 0) && ((n % 4294967296) <= 20000001)) && (SIZE == 20000001)) && ((((long long) (j % 2147483648) * 2) / 3) <= 20000001))) [2024-09-11 20:47:35,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:47:35,818 WARN L247 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.c[406,419] [2024-09-11 20:47:35,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:35,858 INFO L200 MainTranslator]: Completed pre-run [2024-09-11 20:47:35,872 WARN L247 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.c[406,419] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:47:35,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:47:35,942 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:47:35,943 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:47:35 WrapperNode [2024-09-11 20:47:35,943 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:47:35,944 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:47:35,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:47:35,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:47:35,957 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,957 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,969 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,990 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-11 20:47:35,993 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:35,993 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:36,009 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:36,012 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:36,017 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:36,019 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:36,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:47:36,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:47:36,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:47:36,023 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:47:36,023 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 11.09 08:47:35" (1/1) ... [2024-09-11 20:47:36,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:47:36,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:47:36,068 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) [2024-09-11 20:47:36,073 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 [2024-09-11 20:47:36,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:47:36,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:47:36,115 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:47:36,115 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:47:36,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:47:36,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:47:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:47:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:47:36,115 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:47:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:47:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:47:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:47:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:47:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:47:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:47:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-11 20:47:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:47:36,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-11 20:47:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-11 20:47:36,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:47:36,173 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:47:36,176 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:47:36,646 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-09-11 20:47:36,646 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:47:36,664 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:47:36,665 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:47:36,665 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:36 BoogieIcfgContainer [2024-09-11 20:47:36,665 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:47:36,666 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:47:36,666 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:47:36,667 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:47:36,667 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:47:35" (1/4) ... [2024-09-11 20:47:36,668 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2396a8e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:47:36, skipping insertion in model container [2024-09-11 20:47:36,668 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:47:35" (2/4) ... [2024-09-11 20:47:36,668 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2396a8e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:36, skipping insertion in model container [2024-09-11 20:47:36,668 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 11.09 08:47:35" (3/4) ... [2024-09-11 20:47:36,669 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2396a8e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:47:36, skipping insertion in model container [2024-09-11 20:47:36,669 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:47:36" (4/4) ... [2024-09-11 20:47:36,670 INFO L79 RefereeObserver]: Analyzing ICFG sum_by_3.c [2024-09-11 20:47:36,674 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:47:36,675 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:36,675 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:36,675 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:36,675 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:36,676 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L25-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:47:36,676 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L29-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-11 20:47:36,676 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:47:36,676 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-11 20:47:36,718 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:36,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:36,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:36,720 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:36,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:36,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,746 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:36,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:36,748 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:36,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:36,749 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:36,775 INFO L514 InvariantChecker]: The annotation(s) from loop head L25-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:36,795 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:36,796 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:36,796 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:36,796 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:36,796 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:36,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,808 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:36,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,809 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:36,809 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:36,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:36,820 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:36,912 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:36,930 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:36,931 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:36,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:36,931 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:36,931 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:36,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,935 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:36,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,936 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:36,936 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:36,937 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:36,937 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:36,961 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:36,962 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:36,962 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:36,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:36,963 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:36,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,967 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:36,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:36,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:36,968 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:36,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:36,969 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:36,971 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:47:36,995 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:47:36,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:36,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:36,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:36,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:36,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:37,013 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-11 20:47:37,014 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:37,014 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:37,015 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:37,015 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:37,020 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:37,053 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:37,054 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:37,054 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:37,054 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:37,055 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:37,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:37,067 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:37,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:37,068 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:37,068 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:37,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:37,069 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:37,091 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:47:37,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:47:37,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:47:37,093 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:47:37,093 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:47:37,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:37,094 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:47:37,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:47:37,094 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:47:37,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:47:37,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:47:37,095 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:47:37,105 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:47:37,109 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2396a8e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:47:37, skipping insertion in model container [2024-09-11 20:47:37,109 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:47:37,111 INFO L158 Benchmark]: Toolchain (without parser) took 1471.78ms. Allocated memory is still 165.7MB. Free memory was 94.6MB in the beginning and 57.7MB in the end (delta: 36.9MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2024-09-11 20:47:37,111 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:37,111 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 165.7MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:47:37,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.13ms. Allocated memory is still 165.7MB. Free memory was 94.6MB in the beginning and 80.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:47:37,112 INFO L158 Benchmark]: Boogie Preprocessor took 77.23ms. Allocated memory is still 165.7MB. Free memory was 80.3MB in the beginning and 77.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:47:37,113 INFO L158 Benchmark]: RCFGBuilder took 643.16ms. Allocated memory is still 165.7MB. Free memory was 77.9MB in the beginning and 107.2MB in the end (delta: -29.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2024-09-11 20:47:37,113 INFO L158 Benchmark]: Referee took 443.32ms. Allocated memory is still 165.7MB. Free memory was 107.2MB in the beginning and 57.7MB in the end (delta: 49.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-09-11 20:47:37,116 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure main to loop head at line 21. One counterexample starts in SIZE=0 and ends in i=0, k=0, n=0, SIZE=0. Annotation is not valid for all loop-free paths from loop head at line 29 to loop head at line 29. One counterexample starts in i=4294967296, j=-4254967291, k=12904901888, n=20000001, SIZE=20000001 and ends in SIZE=20000001. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 10. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is not valid for all loop-free paths from loop head at line 25 to loop head at line 29. One counterexample starts in i=17179869184, j=-4294967297, n=0, SIZE=20000001 and ends in k=0, SIZE=20000001. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 25. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 25 to loop head at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 165.7MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.13ms. Allocated memory is still 165.7MB. Free memory was 94.6MB in the beginning and 80.3MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.23ms. Allocated memory is still 165.7MB. Free memory was 80.3MB in the beginning and 77.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.16ms. Allocated memory is still 165.7MB. Free memory was 77.9MB in the beginning and 107.2MB in the end (delta: -29.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Referee took 443.32ms. Allocated memory is still 165.7MB. Free memory was 107.2MB in the beginning and 57.7MB in the end (delta: 49.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:47:37,153 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE