./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9e07bde78bec0a50daafc27f8ee8a57138b319676dd5631a76f48638e6ef09e9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:50:10,558 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:50:10,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:50:10,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:50:10,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:50:10,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:50:10,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:50:10,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:50:10,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:50:10,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:50:10,672 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:50:10,672 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:50:10,673 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:50:10,673 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:50:10,684 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:50:10,684 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:50:10,685 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:50:10,686 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:50:10,686 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:50:10,687 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:50:10,687 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:50:10,688 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:50:10,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:50:10,689 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:50:10,690 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:50:10,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:50:10,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:50:10,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:50:10,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:50:10,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:50:10,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:50:10,693 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:50:10,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:50:10,694 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:50:10,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:50:10,694 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:50:10,695 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:50:10,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:50:10,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:50:10,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:50:10,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:50:10,696 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:50:10,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:50:10,697 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:50:10,697 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:50:10,697 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:50:10,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:50:10,697 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e07bde78bec0a50daafc27f8ee8a57138b319676dd5631a76f48638e6ef09e9 [2023-12-02 17:50:10,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:50:10,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:50:10,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:50:10,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:50:10,976 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:50:10,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound1.c [2023-12-02 17:50:13,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:50:13,927 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:50:13,928 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound1.c [2023-12-02 17:50:13,936 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/data/28501b482/d3680203bca747259952e7fd7c9b9f01/FLAG1c55cb20b [2023-12-02 17:50:13,951 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/data/28501b482/d3680203bca747259952e7fd7c9b9f01 [2023-12-02 17:50:13,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:50:13,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:50:13,957 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:50:13,957 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:50:13,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:50:13,964 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:13" (1/1) ... [2023-12-02 17:50:13,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d9c380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:13, skipping insertion in model container [2023-12-02 17:50:13,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:50:13" (1/1) ... [2023-12-02 17:50:13,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:50:14,148 WARN L240 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_c87ecff5-b008-4d02-a72a-88360ff96da6/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound1.c[546,559] [2023-12-02 17:50:14,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:50:14,175 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:50:14,190 WARN L240 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_c87ecff5-b008-4d02-a72a-88360ff96da6/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound1.c[546,559] [2023-12-02 17:50:14,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:50:14,211 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:50:14,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14 WrapperNode [2023-12-02 17:50:14,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:50:14,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:50:14,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:50:14,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:50:14,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,247 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-12-02 17:50:14,247 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:50:14,248 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:50:14,248 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:50:14,248 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:50:14,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,267 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:50:14,271 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:50:14,271 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:50:14,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:50:14,272 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (1/1) ... [2023-12-02 17:50:14,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:50:14,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:50:14,303 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:50:14,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:50:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:50:14,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:50:14,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:50:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:50:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:50:14,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:50:14,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 17:50:14,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 17:50:14,410 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:50:14,413 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:50:14,572 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:50:14,603 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:50:14,604 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:50:14,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:14 BoogieIcfgContainer [2023-12-02 17:50:14,605 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:50:14,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:50:14,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:50:14,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:50:14,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:50:13" (1/3) ... [2023-12-02 17:50:14,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e453182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:14, skipping insertion in model container [2023-12-02 17:50:14,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:50:14" (2/3) ... [2023-12-02 17:50:14,613 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e453182 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:50:14, skipping insertion in model container [2023-12-02 17:50:14,613 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:14" (3/3) ... [2023-12-02 17:50:14,614 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound1.c [2023-12-02 17:50:14,631 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:50:14,631 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:50:14,667 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:50:14,674 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f4f3dbd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:50:14,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:50:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-02 17:50:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 17:50:14,685 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:50:14,686 INFO L195 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:50:14,687 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:50:14,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:50:14,692 INFO L85 PathProgramCache]: Analyzing trace with hash -149589660, now seen corresponding path program 1 times [2023-12-02 17:50:14,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:50:14,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146331818] [2023-12-02 17:50:14,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:50:14,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:50:14,805 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:50:14,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [341769535] [2023-12-02 17:50:14,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:50:14,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:50:14,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:50:14,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:50:14,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:50:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:50:14,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 17:50:14,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:50:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 17:50:15,103 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:50:15,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 17:50:15,231 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:50:15,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146331818] [2023-12-02 17:50:15,231 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:50:15,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341769535] [2023-12-02 17:50:15,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341769535] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 17:50:15,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 17:50:15,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2023-12-02 17:50:15,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954315040] [2023-12-02 17:50:15,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:50:15,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 17:50:15,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:50:15,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 17:50:15,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-12-02 17:50:15,269 INFO L87 Difference]: Start difference. First operand has 22 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-02 17:50:15,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:50:15,344 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2023-12-02 17:50:15,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 17:50:15,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 20 [2023-12-02 17:50:15,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:50:15,352 INFO L225 Difference]: With dead ends: 39 [2023-12-02 17:50:15,352 INFO L226 Difference]: Without dead ends: 22 [2023-12-02 17:50:15,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-12-02 17:50:15,359 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 17:50:15,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 66 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 17:50:15,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-12-02 17:50:15,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-12-02 17:50:15,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 states have internal predecessors, (14), 6 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-02 17:50:15,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2023-12-02 17:50:15,392 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 20 [2023-12-02 17:50:15,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:50:15,393 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-12-02 17:50:15,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-12-02 17:50:15,394 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-12-02 17:50:15,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 17:50:15,395 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:50:15,396 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 17:50:15,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:50:15,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 17:50:15,597 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:50:15,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:50:15,598 INFO L85 PathProgramCache]: Analyzing trace with hash 2098605580, now seen corresponding path program 1 times [2023-12-02 17:50:15,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:50:15,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169329288] [2023-12-02 17:50:15,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:50:15,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:50:15,622 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:50:15,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [24557098] [2023-12-02 17:50:15,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:50:15,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:50:15,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:50:15,624 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:50:15,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-02 17:50:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:50:15,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 17:50:15,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:50:15,788 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 17:50:15,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 17:50:15,881 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 17:50:15,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 17:50:15,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169329288] [2023-12-02 17:50:15,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-02 17:50:15,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24557098] [2023-12-02 17:50:15,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24557098] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 17:50:15,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1532004949] [2023-12-02 17:50:15,902 INFO L159 IcfgInterpreter]: Started Sifa with 20 locations of interest [2023-12-02 17:50:15,902 INFO L166 IcfgInterpreter]: Building call graph [2023-12-02 17:50:15,906 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-12-02 17:50:15,911 INFO L176 IcfgInterpreter]: Starting interpretation [2023-12-02 17:50:15,912 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-12-02 17:50:16,585 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 34 for LOIs [2023-12-02 17:50:16,598 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 3 for LOIs [2023-12-02 17:50:16,600 INFO L180 IcfgInterpreter]: Interpretation finished [2023-12-02 17:50:17,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1532004949] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:50:17,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 17:50:17,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [8, 7] total 23 [2023-12-02 17:50:17,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783329172] [2023-12-02 17:50:17,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:50:17,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 17:50:17,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 17:50:17,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 17:50:17,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:50:17,240 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 14 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-02 17:50:17,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:50:17,388 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2023-12-02 17:50:17,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-02 17:50:17,389 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 27 [2023-12-02 17:50:17,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:50:17,389 INFO L225 Difference]: With dead ends: 33 [2023-12-02 17:50:17,389 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 17:50:17,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2023-12-02 17:50:17,392 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:50:17,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 20 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 17:50:17,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 17:50:17,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 17:50:17,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 17:50:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 17:50:17,394 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2023-12-02 17:50:17,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:50:17,394 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 17:50:17,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 8 states have (on average 1.5) internal successors, (12), 7 states have internal predecessors, (12), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-02 17:50:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 17:50:17,395 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 17:50:17,398 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:50:17,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-02 17:50:17,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:50:17,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 17:50:17,852 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 17:50:17,853 INFO L895 garLoopResultBuilder]: At program point L29(line 29) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~k~0#1| 1) (<= 1 |#StackHeapBarrier|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~z~0#1| 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-12-02 17:50:17,853 INFO L895 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~k~0#1| 1) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~c~0#1| 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~y~0#1| 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~z~0#1| 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= |ULTIMATE.start_main_~x~0#1| 0) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-12-02 17:50:17,853 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2023-12-02 17:50:17,853 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 17:50:17,854 INFO L895 garLoopResultBuilder]: At program point L36-2(lines 36 46) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~k~0#1| 1) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~c~0#1| 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~z~0#1| 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-12-02 17:50:17,854 INFO L899 garLoopResultBuilder]: For program point L36-3(lines 36 46) no Hoare annotation was computed. [2023-12-02 17:50:17,854 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2023-12-02 17:50:17,854 INFO L895 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= 0 (+ |ULTIMATE.start_main_~k~0#1| 2147483648)) (= 2 (select |#length| 1)) (<= |ULTIMATE.start_main_~k~0#1| 2147483647) (= (select |#valid| 3) 1) (<= |ULTIMATE.start_main_~z~0#1| 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2023-12-02 17:50:17,854 INFO L895 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (= (select |#length| 3) 12) (<= |ULTIMATE.start_main_~k~0#1| 1) (<= 1 |#StackHeapBarrier|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= |ULTIMATE.start_main_~z~0#1| 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0) (<= 0 |ULTIMATE.start_main_~z~0#1|))) [2023-12-02 17:50:17,855 INFO L895 garLoopResultBuilder]: At program point L26(line 26) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (<= |ULTIMATE.start_main_~z~0#1| 2147483647) (<= 0 (+ |ULTIMATE.start_main_~z~0#1| 2147483648)) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-12-02 17:50:17,855 INFO L899 garLoopResultBuilder]: For program point L26-1(line 26) no Hoare annotation was computed. [2023-12-02 17:50:17,855 INFO L895 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~k~0#1| 1) (= (select |#length| 3) 12) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~c~0#1| 1) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~z~0#1| 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= 10 (select |#length| 2)) (= (select .cse0 1) 0))) [2023-12-02 17:50:17,855 INFO L899 garLoopResultBuilder]: For program point L37-1(lines 36 46) no Hoare annotation was computed. [2023-12-02 17:50:17,855 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 12 14) the Hoare annotation is: true [2023-12-02 17:50:17,855 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 12 14) no Hoare annotation was computed. [2023-12-02 17:50:17,855 INFO L899 garLoopResultBuilder]: For program point L17(lines 17 18) no Hoare annotation was computed. [2023-12-02 17:50:17,856 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 19) no Hoare annotation was computed. [2023-12-02 17:50:17,856 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 15 21) no Hoare annotation was computed. [2023-12-02 17:50:17,856 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 15 21) no Hoare annotation was computed. [2023-12-02 17:50:17,856 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: true [2023-12-02 17:50:17,856 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2023-12-02 17:50:17,859 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 17:50:17,861 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:50:17,876 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated [2023-12-02 17:50:17,876 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-12-02 17:50:17,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated [2023-12-02 17:50:17,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-12-02 17:50:17,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-12-02 17:50:17,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-12-02 17:50:17,877 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-12-02 17:50:17,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-12-02 17:50:17,878 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-12-02 17:50:17,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:50:17 BoogieIcfgContainer [2023-12-02 17:50:17,878 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:50:17,879 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:50:17,879 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:50:17,879 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:50:17,880 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:50:14" (3/4) ... [2023-12-02 17:50:17,881 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 17:50:17,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 17:50:17,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 17:50:17,888 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 17:50:17,888 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 17:50:17,888 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 17:50:17,888 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 17:50:17,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 17:50:17,962 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 17:50:17,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:50:17,963 INFO L158 Benchmark]: Toolchain (without parser) took 4007.48ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 146.9MB in the beginning and 145.1MB in the end (delta: 1.8MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-12-02 17:50:17,964 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory was 97.1MB in the beginning and 97.0MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:50:17,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.78ms. Allocated memory is still 176.2MB. Free memory was 146.7MB in the beginning and 139.8MB in the end (delta: 6.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2023-12-02 17:50:17,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.64ms. Allocated memory is still 176.2MB. Free memory was 139.8MB in the beginning and 138.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:50:17,965 INFO L158 Benchmark]: Boogie Preprocessor took 21.80ms. Allocated memory is still 176.2MB. Free memory was 138.6MB in the beginning and 136.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 17:50:17,965 INFO L158 Benchmark]: RCFGBuilder took 334.74ms. Allocated memory is still 176.2MB. Free memory was 136.8MB in the beginning and 140.7MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 17:50:17,966 INFO L158 Benchmark]: TraceAbstraction took 3270.66ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 140.7MB in the beginning and 150.4MB in the end (delta: -9.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-12-02 17:50:17,966 INFO L158 Benchmark]: Witness Printer took 83.43ms. Allocated memory is still 211.8MB. Free memory was 150.4MB in the beginning and 145.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 17:50:17,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 123.7MB. Free memory was 97.1MB in the beginning and 97.0MB in the end (delta: 132.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.78ms. Allocated memory is still 176.2MB. Free memory was 146.7MB in the beginning and 139.8MB in the end (delta: 6.9MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.64ms. Allocated memory is still 176.2MB. Free memory was 139.8MB in the beginning and 138.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.80ms. Allocated memory is still 176.2MB. Free memory was 138.6MB in the beginning and 136.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 334.74ms. Allocated memory is still 176.2MB. Free memory was 136.8MB in the beginning and 140.7MB in the end (delta: -3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3270.66ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 140.7MB in the beginning and 150.4MB in the end (delta: -9.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Witness Printer took 83.43ms. Allocated memory is still 211.8MB. Free memory was 150.4MB in the beginning and 145.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[3] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.2s, OverallIterations: 2, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 59 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 27 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 17 PreInvPairs, 20 NumberOfFragments, 461 HoareAnnotationTreeSize, 17 FomulaSimplifications, 22 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 253 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 90 ConstructedInterpolants, 1 QuantifiedInterpolants, 249 SizeOfPredicates, 8 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 49/52 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 0.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 22, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 15, TOOLS_POST_TIME: 0.0s, TOOLS_POST_CALL_APPLICATIONS: 16, TOOLS_POST_CALL_TIME: 0.3s, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 41, TOOLS_QUANTIFIERELIM_TIME: 0.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.0s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 56, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 22, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 231, DAG_COMPRESSION_RETAINED_NODES: 60, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((k == 1) && (c == 1)) && (x == 1)) && (y == 1)) && (z == 1)) RESULT: Ultimate proved your program to be correct! [2023-12-02 17:50:17,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c87ecff5-b008-4d02-a72a-88360ff96da6/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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