./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c --full-output --witness-type correctness_witness --procedureinliner.inline.calls.to.implemented.procedures NEVER --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e378df2c Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/nla-digbench-scaling/bresenham-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound2.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 --procedureinliner.inline.calls.to.implemented.procedures NEVER --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:57,208 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:57,289 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:57,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:57,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:57,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:57,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:57,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:57,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:57,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:57,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:57,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:57,324 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:57,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:57,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:57,325 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:57,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:57,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:57,329 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:57,329 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:57,330 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:57,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:57,332 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:57,332 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:57,332 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:57,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:57,333 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:57,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:57,333 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:57,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:57,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:57,334 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:57,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:57,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:57,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:57,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:57,677 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:57,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2024-10-15 15:31:59,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:59,362 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:59,362 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound2.c [2024-10-15 15:31:59,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2c5dbbc7b/542633bcfa4a435d9f76ee8fbb5519ce/FLAG7d7823bff [2024-10-15 15:31:59,744 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2c5dbbc7b/542633bcfa4a435d9f76ee8fbb5519ce [2024-10-15 15:31:59,747 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:59,748 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:59,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bresenham-ll_valuebound2.yml/witness-2.1.yml [2024-10-15 15:31:59,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:59,806 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:59,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:59,809 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:59,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:59,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:59" (1/2) ... [2024-10-15 15:31:59,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb80827 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:59, skipping insertion in model container [2024-10-15 15:31:59,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:59" (1/2) ... [2024-10-15 15:31:59,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62f63e0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:59, skipping insertion in model container [2024-10-15 15:31:59,817 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 03:31:59" (2/2) ... [2024-10-15 15:31:59,817 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb80827 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:59, skipping insertion in model container [2024-10-15 15:31:59,820 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 03:31:59" (2/2) ... [2024-10-15 15:31:59,829 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:59,830 INFO L1541 ArrayList]: Loop invariant at [L32-L47] (((((X <= 2) && ((((long long) Y * 2) + (2 * ((__int128) Y * x))) == (((((__int128) X * y) * 2) + X) + v))) && (0 <= Y)) && (0 <= X)) && (Y <= 2)) [2024-10-15 15:31:59,832 INFO L1541 ArrayList]: Function contract at [L13]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:31:59,832 INFO L1541 ArrayList]: Function contract at [L10]: requires null, ensures (cond != 0) [2024-10-15 15:31:59,851 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:00,039 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-scaling/bresenham-ll_valuebound2.c[597,610] [2024-10-15 15:32:00,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:00,094 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:32:00,130 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-scaling/bresenham-ll_valuebound2.c[597,610] Start Parsing Local [2024-10-15 15:32:00,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:00,167 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:00,167 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:00 WrapperNode [2024-10-15 15:32:00,168 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:00,169 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:00,169 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:00,169 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:00,176 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,183 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,190 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:00,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:00,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:00,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:00,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:00,202 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,203 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,208 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,219 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:32:00,220 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,220 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,223 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,230 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,231 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,231 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:00,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:00,239 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:00,239 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:00,240 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 03:32:00" (1/1) ... [2024-10-15 15:32:00,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:00,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:00,271 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 15:32:00,277 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 15:32:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:00,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:00,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:00,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:00,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:00,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:00,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:00,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:00,394 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:00,396 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:00,578 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:00,590 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:00,620 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:00,622 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:32:00,622 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:00 BoogieIcfgContainer [2024-10-15 15:32:00,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:00,623 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:00,623 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:00,624 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:00,624 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:59" (1/4) ... [2024-10-15 15:32:00,625 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a8f7ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:00, skipping insertion in model container [2024-10-15 15:32:00,625 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 03:31:59" (2/4) ... [2024-10-15 15:32:00,625 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a8f7ffb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:00, skipping insertion in model container [2024-10-15 15:32:00,627 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 03:32:00" (3/4) ... [2024-10-15 15:32:00,627 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a8f7ffb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:00, skipping insertion in model container [2024-10-15 15:32:00,628 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 03:32:00" (4/4) ... [2024-10-15 15:32:00,629 INFO L79 RefereeObserver]: Analyzing ICFG bresenham-ll_valuebound2.c [2024-10-15 15:32:00,632 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:32:00,633 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:32:00,634 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:00,635 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-10-15 15:32:00,635 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-10-15 15:32:00,635 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:00,635 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 15:32:00,636 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 15:32:00,636 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, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-10-15 15:32:00,687 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:32:00,688 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:00,689 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:00,689 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:00,690 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:00,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:00,700 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:32:00,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:00,701 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:00,701 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:00,702 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:00,708 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:00,728 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:00,748 INFO L309 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-10-15 15:32:00,748 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:00,748 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:00,749 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:00,749 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:00,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:00,829 INFO L101 BaseMinimizeStates]: Removed 15 edges and 6 locations by large block encoding [2024-10-15 15:32:00,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:00,830 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:00,830 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:00,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:00,843 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:00,864 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:00,878 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-10-15 15:32:00,879 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:00,879 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:00,880 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:00,880 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:00,880 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:00,893 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-10-15 15:32:00,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:00,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:00,894 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:00,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:00,894 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:00,899 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:00,914 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-10-15 15:32:00,914 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:00,914 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:00,914 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:00,914 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:00,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:00,938 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-10-15 15:32:00,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:00,939 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:00,939 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:00,940 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:00,943 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:00,974 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:00,975 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:00,975 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:00,976 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:00,976 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:00,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:00,982 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:00,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:00,982 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:00,983 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:00,983 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:00,983 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:00,986 INFO L520 InvariantChecker]: The annotation(s) from loop head L32-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:00,997 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:00,998 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:00,998 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:00,998 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:00,998 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:00,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,001 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:01,001 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,001 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:01,002 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:01,002 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:01,003 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:01,006 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:01,016 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:01,018 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:01,018 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:01,018 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:01,018 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:01,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,019 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:01,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:01,020 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:01,020 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:01,020 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:01,022 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:01,024 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:01,033 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-10-15 15:32:01,035 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a8f7ffb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:01, skipping insertion in model container [2024-10-15 15:32:01,035 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:01,037 INFO L158 Benchmark]: Toolchain (without parser) took 1229.83ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 39.5MB in the beginning and 57.9MB in the end (delta: -18.4MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,038 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:01,038 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:01,039 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.24ms. Allocated memory is still 79.7MB. Free memory was 39.2MB in the beginning and 56.5MB in the end (delta: -17.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.99ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 55.5MB in the end (delta: 732.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,040 INFO L158 Benchmark]: Boogie Preprocessor took 46.75ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 53.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,041 INFO L158 Benchmark]: RCFGBuilder took 383.81ms. Allocated memory is still 79.7MB. Free memory was 53.8MB in the beginning and 40.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,042 INFO L158 Benchmark]: Referee took 411.77ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 40.5MB in the beginning and 57.9MB in the end (delta: -17.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:01,045 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 loop head at line 32 to check that procedure precondition always holds at line 50. One counterexample starts in v=11, X=1, x=3, Y=1, y=-2 and ends in v=11, x=3, X=1, xy=-6, y=-2, Y=1, yx=3. 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 32 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 32 to loop head at line 32. 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 15. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 32. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 79.7MB. Free memory is still 57.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 79.7MB. Free memory is still 41.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.24ms. Allocated memory is still 79.7MB. Free memory was 39.2MB in the beginning and 56.5MB in the end (delta: -17.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.99ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 55.5MB in the end (delta: 732.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.75ms. Allocated memory is still 79.7MB. Free memory was 55.5MB in the beginning and 53.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 383.81ms. Allocated memory is still 79.7MB. Free memory was 53.8MB in the beginning and 40.5MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 411.77ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 40.5MB in the beginning and 57.9MB in the end (delta: -17.4MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 15:32:01,084 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... --- 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