./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 09575df3d22e9082519fef8b3f639469f79418a93deb54dd64ac9991de61e42a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:55:16,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:55:16,749 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:55:16,754 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:55:16,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:55:16,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:55:16,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:55:16,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:55:16,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:55:16,812 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:55:16,813 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:55:16,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:55:16,814 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:55:16,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:55:16,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:55:16,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:55:16,816 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:55:16,816 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:55:16,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:55:16,817 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:55:16,817 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:55:16,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:55:16,818 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:55:16,818 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:55:16,819 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:55:16,819 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:55:16,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:55:16,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:55:16,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:55:16,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:55:16,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:55:16,821 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:55:16,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:55:16,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 09575df3d22e9082519fef8b3f639469f79418a93deb54dd64ac9991de61e42a [2024-11-08 23:55:17,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:55:17,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:55:17,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:55:17,140 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:55:17,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:55:17,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i Unable to find full path for "g++" [2024-11-08 23:55:19,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:55:19,406 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:55:19,407 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i [2024-11-08 23:55:19,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/data/716f4a5d3/2794b6791b8044ad83e8015e98686b9b/FLAG45665c973 [2024-11-08 23:55:19,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/data/716f4a5d3/2794b6791b8044ad83e8015e98686b9b [2024-11-08 23:55:19,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:55:19,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:55:19,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:55:19,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:55:19,442 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:55:19,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1092077e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19, skipping insertion in model container [2024-11-08 23:55:19,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:55:19,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-11-08 23:55:19,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:55:19,744 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:55:19,756 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound1.i[951,964] [2024-11-08 23:55:19,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:55:19,784 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:55:19,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19 WrapperNode [2024-11-08 23:55:19,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:55:19,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:55:19,787 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:55:19,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:55:19,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,824 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-11-08 23:55:19,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:55:19,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:55:19,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:55:19,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:55:19,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,834 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,838 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,846 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:55:19,847 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:55:19,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:55:19,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:55:19,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:55:19" (1/1) ... [2024-11-08 23:55:19,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:55:19,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:55:19,887 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:55:19,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:55:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:55:19,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:55:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:55:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:55:19,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:55:19,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:55:19,982 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:55:19,984 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:55:20,138 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 23:55:20,138 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:55:20,247 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:55:20,247 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 23:55:20,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:55:20 BoogieIcfgContainer [2024-11-08 23:55:20,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:55:20,249 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:55:20,249 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:55:20,260 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:55:20,261 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:55:20" (1/1) ... [2024-11-08 23:55:20,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:55:20,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-08 23:55:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-08 23:55:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:55:20,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:20,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:55:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:20,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:55:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:20,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-08 23:55:20,500 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 23:55:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:55:20,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:20,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:55:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:55:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:20,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 23:55:20,556 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:20,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:55:20,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-08 23:55:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-08 23:55:20,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 23:55:20,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:20,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:55:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:55:21,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-08 23:55:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-08 23:55:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:55:21,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:21,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:55:21,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:22,005 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:55:22,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:22,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-11-08 23:55:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-11-08 23:55:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:55:22,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:22,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:55:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:55:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:22,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 23:55:22,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:55:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:55:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2024-11-08 23:55:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2024-11-08 23:55:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:55:24,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:55:24,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:55:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 23:55:28,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:55:28,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 21 states and 25 transitions. [2024-11-08 23:55:28,130 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-08 23:55:28,130 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 23:55:28,132 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-08 23:55:28,141 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 23:55:28,535 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 23:55:28,535 INFO L77 FloydHoareUtils]: At program point L48(line 48) the Hoare annotation is: true [2024-11-08 23:55:28,535 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 23:55:28,536 INFO L77 FloydHoareUtils]: At program point L38-1(lines 38 47) the Hoare annotation is: (= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) (mod (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~q~0#1|)) 4294967296)) [2024-11-08 23:55:28,536 INFO L77 FloydHoareUtils]: At program point L34-2(lines 34 37) the Hoare annotation is: (let ((.cse0 (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 1)) (.cse1 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|))) (or (and (= |ULTIMATE.start_main_~b~0#1| 1) .cse0 .cse1 (= |ULTIMATE.start_main_~B~0#1| |ULTIMATE.start_main_~b~0#1|) .cse2) (and (<= (+ |ULTIMATE.start_main_~b~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (+ (mod |ULTIMATE.start_main_~r~0#1| 4294967296) 1 (div |ULTIMATE.start_main_~b~0#1| 2))) .cse0 .cse1 (<= (div |ULTIMATE.start_main_~B~0#1| 4294967296) 0) .cse2 (<= |ULTIMATE.start_main_~b~0#1| (+ |ULTIMATE.start_main_~B~0#1| 1)) (= 2 |ULTIMATE.start_main_~b~0#1|)))) [2024-11-08 23:55:28,536 INFO L77 FloydHoareUtils]: At program point L43-2(lines 38 47) the Hoare annotation is: true [2024-11-08 23:55:28,537 INFO L77 FloydHoareUtils]: At program point L39(line 39) the Hoare annotation is: true [2024-11-08 23:55:28,537 INFO L77 FloydHoareUtils]: At program point L39-1(lines 38 47) the Hoare annotation is: (= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) (mod (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~q~0#1|)) 4294967296)) [2024-11-08 23:55:28,537 INFO L77 FloydHoareUtils]: At program point L35(line 35) the Hoare annotation is: (let ((.cse0 (<= (mod |ULTIMATE.start_main_~A~0#1| 4294967296) 1)) (.cse1 (= |ULTIMATE.start_main_~q~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~A~0#1| |ULTIMATE.start_main_~r~0#1|))) (or (and (= |ULTIMATE.start_main_~b~0#1| 1) .cse0 .cse1 (= |ULTIMATE.start_main_~B~0#1| |ULTIMATE.start_main_~b~0#1|) .cse2) (and (<= (+ |ULTIMATE.start_main_~b~0#1| (mod |ULTIMATE.start_main_~B~0#1| 4294967296)) (+ (mod |ULTIMATE.start_main_~r~0#1| 4294967296) 1 (div |ULTIMATE.start_main_~b~0#1| 2))) .cse0 .cse1 (<= (div |ULTIMATE.start_main_~B~0#1| 4294967296) 0) .cse2 (<= |ULTIMATE.start_main_~b~0#1| (+ |ULTIMATE.start_main_~B~0#1| 1)) (= 2 |ULTIMATE.start_main_~b~0#1|)))) [2024-11-08 23:55:28,538 INFO L77 FloydHoareUtils]: At program point L19-2(lines 18 24) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 23:55:28,538 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 18 24) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-08 23:55:28,538 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 18 24) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-08 23:55:28,538 INFO L77 FloydHoareUtils]: At program point L20(lines 20 21) the Hoare annotation is: true [2024-11-08 23:55:28,539 INFO L77 FloydHoareUtils]: At program point L19(lines 19 22) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-08 23:55:28,539 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 21) the Hoare annotation is: true [2024-11-08 23:55:28,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:55:28 ImpRootNode [2024-11-08 23:55:28,565 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:55:28,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:55:28,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:55:28,565 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:55:28,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:55:20" (3/4) ... [2024-11-08 23:55:28,568 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 23:55:28,572 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-08 23:55:28,576 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-08 23:55:28,577 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-08 23:55:28,577 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 23:55:28,577 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 23:55:28,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:55:28,687 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 23:55:28,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:55:28,688 INFO L158 Benchmark]: Toolchain (without parser) took 9253.30ms. Allocated memory was 130.0MB in the beginning and 188.7MB in the end (delta: 58.7MB). Free memory was 65.7MB in the beginning and 93.1MB in the end (delta: -27.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2024-11-08 23:55:28,688 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:55:28,689 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.68ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 65.6MB in the beginning and 118.5MB in the end (delta: -52.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-11-08 23:55:28,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.79ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 117.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:55:28,689 INFO L158 Benchmark]: Boogie Preprocessor took 21.46ms. Allocated memory is still 157.3MB. Free memory was 117.1MB in the beginning and 116.2MB in the end (delta: 828.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:55:28,690 INFO L158 Benchmark]: RCFGBuilder took 400.48ms. Allocated memory is still 157.3MB. Free memory was 115.7MB in the beginning and 123.5MB in the end (delta: -7.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 23:55:28,690 INFO L158 Benchmark]: CodeCheck took 8315.61ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 123.5MB in the beginning and 98.3MB in the end (delta: 25.2MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. [2024-11-08 23:55:28,691 INFO L158 Benchmark]: Witness Printer took 122.15ms. Allocated memory is still 188.7MB. Free memory was 97.3MB in the beginning and 93.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:55:28,693 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 mSDsluCounter, 210 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 96 mSDsCounter, 177 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 491 IncrementalHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 177 mSolverCounterUnsat, 114 mSDtfsCounter, 491 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 797 GetRequests, 706 SyntacticMatches, 15 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2371 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 666 SizeOfPredicates, 3 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 18/29 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: ((((((b == 1) && (A <= 1)) && (q == 0)) && (B == b)) && (A == r)) || (((((((((long long) b + B) <= (((long long) r + 1) + (b / 2))) && (A <= 1)) && (q == 0)) && (0 <= 0)) && (A == r)) && (b <= ((long long) B + 1))) && (2 == b))) - ProcedureContractResult [Line: 18]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 130.0MB. Free memory is still 102.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.68ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 65.6MB in the beginning and 118.5MB in the end (delta: -52.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.79ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 117.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.46ms. Allocated memory is still 157.3MB. Free memory was 117.1MB in the beginning and 116.2MB in the end (delta: 828.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 400.48ms. Allocated memory is still 157.3MB. Free memory was 115.7MB in the beginning and 123.5MB in the end (delta: -7.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 8315.61ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 123.5MB in the beginning and 98.3MB in the end (delta: 25.2MB). Peak memory consumption was 57.3MB. Max. memory is 16.1GB. * Witness Printer took 122.15ms. Allocated memory is still 188.7MB. Free memory was 97.3MB in the beginning and 93.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 23:55:28,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c76c4108-74c8-4b54-9f58-1f2aaff33bfc/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE