./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje --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 aa915012f0ecb48890da92348b9b4d3565f79528800e403e93f67405fe73f7dd --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 01:19:41,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 01:19:41,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 01:19:41,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 01:19:41,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 01:19:41,253 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 01:19:41,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 01:19:41,254 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 01:19:41,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 01:19:41,255 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 01:19:41,257 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 01:19:41,258 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 01:19:41,259 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 01:19:41,262 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 01:19:41,262 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 01:19:41,263 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 01:19:41,263 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 01:19:41,264 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 01:19:41,264 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 01:19:41,265 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 01:19:41,265 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 01:19:41,270 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 01:19:41,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 01:19:41,271 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 01:19:41,271 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 01:19:41,272 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 01:19:41,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 01:19:41,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 01:19:41,273 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 01:19:41,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 01:19:41,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 01:19:41,276 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 01:19:41,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 01:19:41,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 01:19:41,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 01:19:41,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 01:19:41,278 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 01:19:41,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 01:19:41,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:19:41,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 01:19:41,281 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 01:19:41,282 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 01:19:41,282 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 01:19:41,283 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 01:19:41,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 01:19:41,283 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 01:19:41,283 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 01:19:41,284 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_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa915012f0ecb48890da92348b9b4d3565f79528800e403e93f67405fe73f7dd [2024-11-09 01:19:41,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 01:19:41,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 01:19:41,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 01:19:41,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 01:19:41,666 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 01:19:41,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c Unable to find full path for "g++" [2024-11-09 01:19:43,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 01:19:44,202 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 01:19:44,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c [2024-11-09 01:19:44,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/data/89a65fcea/8c50673b64874fba8c3d20a41373712e/FLAGde773ecea [2024-11-09 01:19:44,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/data/89a65fcea/8c50673b64874fba8c3d20a41373712e [2024-11-09 01:19:44,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 01:19:44,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 01:19:44,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 01:19:44,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 01:19:44,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 01:19:44,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc6ec8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44, skipping insertion in model container [2024-11-09 01:19:44,254 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,291 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 01:19:44,511 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_927ec58f-0f17-4912-aed1-85e0b99f92c7/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c[525,538] [2024-11-09 01:19:44,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:19:44,541 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 01:19:44,553 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_927ec58f-0f17-4912-aed1-85e0b99f92c7/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound10.c[525,538] [2024-11-09 01:19:44,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 01:19:44,578 INFO L204 MainTranslator]: Completed translation [2024-11-09 01:19:44,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44 WrapperNode [2024-11-09 01:19:44,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 01:19:44,581 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 01:19:44,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 01:19:44,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 01:19:44,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,596 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,615 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2024-11-09 01:19:44,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 01:19:44,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 01:19:44,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 01:19:44,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 01:19:44,628 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,647 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 01:19:44,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 01:19:44,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 01:19:44,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 01:19:44,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (1/1) ... [2024-11-09 01:19:44,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 01:19:44,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:19:44,696 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 01:19:44,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 01:19:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 01:19:44,740 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 01:19:44,740 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 01:19:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 01:19:44,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 01:19:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 01:19:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 01:19:44,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 01:19:44,834 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 01:19:44,838 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 01:19:45,067 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-09 01:19:45,068 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 01:19:45,135 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 01:19:45,136 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 01:19:45,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:19:45 BoogieIcfgContainer [2024-11-09 01:19:45,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 01:19:45,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 01:19:45,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 01:19:45,153 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 01:19:45,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:19:44" (1/3) ... [2024-11-09 01:19:45,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a0b6245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:19:45, skipping insertion in model container [2024-11-09 01:19:45,154 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:19:44" (2/3) ... [2024-11-09 01:19:45,155 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a0b6245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:19:45, skipping insertion in model container [2024-11-09 01:19:45,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:19:45" (3/3) ... [2024-11-09 01:19:45,158 INFO L112 eAbstractionObserver]: Analyzing ICFG geo2-ll_valuebound10.c [2024-11-09 01:19:45,181 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 01:19:45,182 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 01:19:45,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 01:19:45,261 INFO L333 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, 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;@3eaa7101, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 01:19:45,261 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 01:19:45,266 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 01:19:45,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 01:19:45,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:19:45,276 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:19:45,277 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:19:45,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:19:45,282 INFO L85 PathProgramCache]: Analyzing trace with hash -838031573, now seen corresponding path program 1 times [2024-11-09 01:19:45,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:19:45,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437936482] [2024-11-09 01:19:45,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:19:45,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:19:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:19:45,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1271793238] [2024-11-09 01:19:45,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:19:45,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:19:45,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:19:45,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:19:45,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 01:19:45,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:45,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 01:19:45,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:19:45,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:19:45,748 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 01:19:45,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:19:45,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437936482] [2024-11-09 01:19:45,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:19:45,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271793238] [2024-11-09 01:19:45,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271793238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 01:19:45,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 01:19:45,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 01:19:45,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598563905] [2024-11-09 01:19:45,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:19:45,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 01:19:45,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:19:45,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 01:19:45,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 01:19:45,799 INFO L87 Difference]: Start difference. First operand has 19 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 01:19:45,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:19:45,952 INFO L93 Difference]: Finished difference Result 40 states and 55 transitions. [2024-11-09 01:19:45,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:19:45,958 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-11-09 01:19:45,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:19:45,968 INFO L225 Difference]: With dead ends: 40 [2024-11-09 01:19:45,969 INFO L226 Difference]: Without dead ends: 24 [2024-11-09 01:19:45,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 01:19:45,979 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:19:45,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 51 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:19:46,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-11-09 01:19:46,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-11-09 01:19:46,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 16 states have internal predecessors, (17), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 01:19:46,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-11-09 01:19:46,062 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 14 [2024-11-09 01:19:46,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:19:46,063 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-11-09 01:19:46,063 INFO L472 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 01:19:46,063 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-11-09 01:19:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 01:19:46,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 01:19:46,065 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 01:19:46,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-09 01:19:46,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 01:19:46,267 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 01:19:46,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 01:19:46,268 INFO L85 PathProgramCache]: Analyzing trace with hash -420431113, now seen corresponding path program 1 times [2024-11-09 01:19:46,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 01:19:46,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422903716] [2024-11-09 01:19:46,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:19:46,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 01:19:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 01:19:46,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1412541112] [2024-11-09 01:19:46,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 01:19:46,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:19:46,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 01:19:46,314 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 01:19:46,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 01:19:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 01:19:46,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 01:19:46,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 01:19:46,732 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 01:19:46,733 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 01:19:47,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 01:19:47,104 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 01:19:47,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422903716] [2024-11-09 01:19:47,105 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 01:19:47,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412541112] [2024-11-09 01:19:47,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412541112] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-09 01:19:47,106 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 01:19:47,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2024-11-09 01:19:47,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5473026] [2024-11-09 01:19:47,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 01:19:47,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 01:19:47,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 01:19:47,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 01:19:47,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-09 01:19:47,114 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 01:19:47,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 01:19:47,218 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2024-11-09 01:19:47,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 01:19:47,219 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-09 01:19:47,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 01:19:47,220 INFO L225 Difference]: With dead ends: 24 [2024-11-09 01:19:47,221 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 01:19:47,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 30 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-09 01:19:47,223 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 01:19:47,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 38 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 01:19:47,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 01:19:47,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 01:19:47,226 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) [2024-11-09 01:19:47,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 01:19:47,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2024-11-09 01:19:47,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 01:19:47,228 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 01:19:47,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 5 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 01:19:47,229 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 01:19:47,229 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 01:19:47,233 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 01:19:47,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 01:19:47,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 01:19:47,442 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-09 01:19:47,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 01:19:47,525 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 01:19:47,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:19:47 BoogieIcfgContainer [2024-11-09 01:19:47,559 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 01:19:47,560 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 01:19:47,560 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 01:19:47,560 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 01:19:47,561 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:19:45" (3/4) ... [2024-11-09 01:19:47,564 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 01:19:47,568 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 01:19:47,568 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-09 01:19:47,575 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-09 01:19:47,575 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 01:19:47,575 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 01:19:47,575 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 01:19:47,691 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 01:19:47,692 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 01:19:47,692 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 01:19:47,692 INFO L158 Benchmark]: Toolchain (without parser) took 3454.19ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 121.7MB in the beginning and 127.8MB in the end (delta: -6.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2024-11-09 01:19:47,693 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:19:47,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.41ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 108.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 01:19:47,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.32ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 107.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 01:19:47,694 INFO L158 Benchmark]: Boogie Preprocessor took 32.94ms. Allocated memory is still 159.4MB. Free memory was 107.5MB in the beginning and 106.5MB in the end (delta: 963.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 01:19:47,694 INFO L158 Benchmark]: RCFGBuilder took 485.40ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 94.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 01:19:47,695 INFO L158 Benchmark]: TraceAbstraction took 2415.32ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 93.9MB in the beginning and 132.0MB in the end (delta: -38.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-11-09 01:19:47,695 INFO L158 Benchmark]: Witness Printer took 132.22ms. Allocated memory is still 199.2MB. Free memory was 132.0MB in the beginning and 127.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 01:19:47,697 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 159.4MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.41ms. Allocated memory is still 159.4MB. Free memory was 121.2MB in the beginning and 108.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.32ms. Allocated memory is still 159.4MB. Free memory was 108.6MB in the beginning and 107.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.94ms. Allocated memory is still 159.4MB. Free memory was 107.5MB in the beginning and 106.5MB in the end (delta: 963.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.40ms. Allocated memory is still 159.4MB. Free memory was 106.5MB in the beginning and 94.9MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2415.32ms. Allocated memory was 159.4MB in the beginning and 199.2MB in the end (delta: 39.8MB). Free memory was 93.9MB in the beginning and 132.0MB in the end (delta: -38.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * Witness Printer took 132.22ms. Allocated memory is still 199.2MB. Free memory was 132.0MB in the beginning and 127.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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: 17]: 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 89 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 24 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=1, InterpolantAutomatonStates: 10, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 53 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 2 NumberOfNonLiveVariables, 123 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 11/14 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: ((((__int128) y * z) + x) == (((__int128) x * z) + 1)) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (1 <= cond) Ensures: (1 <= cond) RESULT: Ultimate proved your program to be correct! [2024-11-09 01:19:47,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_927ec58f-0f17-4912-aed1-85e0b99f92c7/bin/utaipan-verify-YMUCfTKeje/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