./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array16_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/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_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-patterns/array16_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/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_e565eed4-abf9-4f38-9d22-51041936b34c/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 db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:52:46,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:52:47,103 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:52:47,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:52:47,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:52:47,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:52:47,142 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:52:47,143 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:52:47,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:52:47,144 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:52:47,144 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:52:47,145 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:52:47,149 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:52:47,149 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:52:47,150 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:52:47,150 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:52:47,151 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:52:47,151 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:52:47,152 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:52:47,152 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:52:47,156 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:52:47,157 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:52:47,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:52:47,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:52:47,159 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:52:47,159 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:52:47,159 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:52:47,160 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:52:47,160 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:52:47,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:52:47,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:52:47,164 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:52:47,165 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:52:47,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:52:47,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:52:47,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:52:47,166 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:52:47,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:52:47,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:52:47,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:52:47,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:52:47,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:52:47,172 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:52:47,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:52:47,172 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:52:47,173 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:52:47,173 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:52:47,173 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_e565eed4-abf9-4f38-9d22-51041936b34c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db57f1195f9e10b53cb5b54e10ee768ec758884b71e7f0bbf52d0c8cfb29e46d [2024-11-09 05:52:47,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:52:47,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:52:47,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:52:47,555 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:52:47,557 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:52:47,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/array-patterns/array16_pattern.c Unable to find full path for "g++" [2024-11-09 05:52:49,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:52:50,002 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:52:50,003 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/sv-benchmarks/c/array-patterns/array16_pattern.c [2024-11-09 05:52:50,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/data/b13e920df/7a8964b516cb4dcbb3c1f953e3cded04/FLAGf54ea4013 [2024-11-09 05:52:50,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/data/b13e920df/7a8964b516cb4dcbb3c1f953e3cded04 [2024-11-09 05:52:50,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:52:50,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:52:50,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:52:50,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:52:50,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:52:50,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f477fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50, skipping insertion in model container [2024-11-09 05:52:50,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,355 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:52:50,622 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_e565eed4-abf9-4f38-9d22-51041936b34c/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2024-11-09 05:52:50,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:52:50,676 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:52:50,692 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_e565eed4-abf9-4f38-9d22-51041936b34c/sv-benchmarks/c/array-patterns/array16_pattern.c[1311,1324] [2024-11-09 05:52:50,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:52:50,745 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:52:50,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50 WrapperNode [2024-11-09 05:52:50,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:52:50,748 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:52:50,748 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:52:50,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:52:50,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,796 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 92 [2024-11-09 05:52:50,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:52:50,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:52:50,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:52:50,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:52:50,811 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,830 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,833 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:52:50,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:52:50,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:52:50,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:52:50,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (1/1) ... [2024-11-09 05:52:50,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:52:50,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:52:50,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:52:50,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:52:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:52:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 05:52:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 05:52:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:52:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 05:52:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 05:52:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:52:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:52:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 05:52:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 05:52:51,024 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:52:51,026 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:52:51,289 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 05:52:51,289 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:52:51,385 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:52:51,385 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:52:51,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:51 BoogieIcfgContainer [2024-11-09 05:52:51,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:52:51,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:52:51,390 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:52:51,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:52:51,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:52:50" (1/3) ... [2024-11-09 05:52:51,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d87d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:52:51, skipping insertion in model container [2024-11-09 05:52:51,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:52:50" (2/3) ... [2024-11-09 05:52:51,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d87d02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:52:51, skipping insertion in model container [2024-11-09 05:52:51,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:51" (3/3) ... [2024-11-09 05:52:51,405 INFO L112 eAbstractionObserver]: Analyzing ICFG array16_pattern.c [2024-11-09 05:52:51,428 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:52:51,429 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:52:51,510 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:52:51,522 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;@6595f7b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:52:51,522 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:52:51,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:52:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 05:52:51,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:51,542 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:51,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:51,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:51,555 INFO L85 PathProgramCache]: Analyzing trace with hash 566062706, now seen corresponding path program 1 times [2024-11-09 05:52:51,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:51,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277102215] [2024-11-09 05:52:51,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:51,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:51,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:52:51,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:51,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277102215] [2024-11-09 05:52:51,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277102215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:51,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:52:51,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:52:51,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40782556] [2024-11-09 05:52:51,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:51,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:52:51,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:51,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:52:51,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:52:51,818 INFO L87 Difference]: Start difference. First operand has 27 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 22 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 05:52:51,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:51,855 INFO L93 Difference]: Finished difference Result 39 states and 55 transitions. [2024-11-09 05:52:51,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:52:51,859 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-09 05:52:51,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:51,869 INFO L225 Difference]: With dead ends: 39 [2024-11-09 05:52:51,869 INFO L226 Difference]: Without dead ends: 25 [2024-11-09 05:52:51,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:52:51,878 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:51,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 33 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:52:51,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-11-09 05:52:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-11-09 05:52:51,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.45) internal successors, (29), 20 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:52:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 35 transitions. [2024-11-09 05:52:51,936 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 35 transitions. Word has length 12 [2024-11-09 05:52:51,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:51,939 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 35 transitions. [2024-11-09 05:52:51,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 05:52:51,939 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-09 05:52:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 05:52:51,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:51,942 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:51,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:52:51,943 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:51,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:51,944 INFO L85 PathProgramCache]: Analyzing trace with hash 44522621, now seen corresponding path program 1 times [2024-11-09 05:52:51,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:51,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240038091] [2024-11-09 05:52:51,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-09 05:52:52,667 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:52,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240038091] [2024-11-09 05:52:52,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240038091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:52:52,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002570147] [2024-11-09 05:52:52,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:52,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:52:52,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:52:52,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:52:52,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 05:52:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:52,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 05:52:52,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:52:52,897 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 05:52:52,899 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:52:52,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002570147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:52,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:52:52,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2024-11-09 05:52:52,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877941562] [2024-11-09 05:52:52,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:52,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:52:52,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:52,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:52:52,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-09 05:52:52,907 INFO L87 Difference]: Start difference. First operand 25 states and 35 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:52:53,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:53,120 INFO L93 Difference]: Finished difference Result 54 states and 76 transitions. [2024-11-09 05:52:53,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:52:53,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2024-11-09 05:52:53,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:53,123 INFO L225 Difference]: With dead ends: 54 [2024-11-09 05:52:53,124 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 05:52:53,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 05:52:53,126 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 42 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:53,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 20 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 05:52:53,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 05:52:53,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 31. [2024-11-09 05:52:53,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 25 states have (on average 1.36) internal successors, (34), 25 states have internal predecessors, (34), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:52:53,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2024-11-09 05:52:53,138 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 40 transitions. Word has length 20 [2024-11-09 05:52:53,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:53,138 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 40 transitions. [2024-11-09 05:52:53,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:52:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2024-11-09 05:52:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 05:52:53,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:53,141 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:53,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 05:52:53,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:52:53,342 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:53,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:53,343 INFO L85 PathProgramCache]: Analyzing trace with hash 463351837, now seen corresponding path program 1 times [2024-11-09 05:52:53,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:53,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652474821] [2024-11-09 05:52:53,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:53,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 05:52:53,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:52:53,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652474821] [2024-11-09 05:52:53,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652474821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:52:53,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [376385471] [2024-11-09 05:52:53,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:53,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:52:53,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:52:53,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:52:53,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 05:52:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:53,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 05:52:53,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:52:53,976 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 05:52:53,978 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:52:53,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [376385471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:52:53,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:52:53,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 9 [2024-11-09 05:52:53,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755803058] [2024-11-09 05:52:53,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:52:53,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 05:52:53,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:52:53,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 05:52:53,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:52:53,982 INFO L87 Difference]: Start difference. First operand 31 states and 40 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:52:54,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:52:54,139 INFO L93 Difference]: Finished difference Result 59 states and 81 transitions. [2024-11-09 05:52:54,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:52:54,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 28 [2024-11-09 05:52:54,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:52:54,142 INFO L225 Difference]: With dead ends: 59 [2024-11-09 05:52:54,144 INFO L226 Difference]: Without dead ends: 35 [2024-11-09 05:52:54,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-09 05:52:54,147 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 48 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:52:54,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 26 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:52:54,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-09 05:52:54,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-09 05:52:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 29 states have internal predecessors, (38), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 05:52:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2024-11-09 05:52:54,164 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 28 [2024-11-09 05:52:54,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:52:54,166 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2024-11-09 05:52:54,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:52:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2024-11-09 05:52:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-09 05:52:54,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:52:54,169 INFO L215 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:52:54,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 05:52:54,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:52:54,371 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:52:54,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:52:54,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1251288643, now seen corresponding path program 1 times [2024-11-09 05:52:54,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:52:54,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845078903] [2024-11-09 05:52:54,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:54,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:52:54,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 05:52:54,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1514773835] [2024-11-09 05:52:54,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:52:54,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:52:54,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:52:54,427 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:52:54,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 05:52:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:52:54,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 05:52:54,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:52:54,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-09 05:52:55,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 300 treesize of output 274 [2024-11-09 05:52:56,596 INFO L349 Elim1Store]: treesize reduction 599, result has 5.4 percent of original size [2024-11-09 05:52:56,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 22 case distinctions, treesize of input 274 treesize of output 727 [2024-11-09 05:53:05,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:05,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:05,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:05,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:08,074 INFO L349 Elim1Store]: treesize reduction 468, result has 14.6 percent of original size [2024-11-09 05:53:08,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 729 treesize of output 1099 [2024-11-09 05:53:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:10,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:10,777 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 05:53:10,830 INFO L224 Elim1Store]: Index analysis took 182 ms [2024-11-09 05:53:10,839 INFO L349 Elim1Store]: treesize reduction 30, result has 3.2 percent of original size [2024-11-09 05:53:10,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 198 treesize of output 130 [2024-11-09 05:53:14,337 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 05:53:14,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:14,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:14,359 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 05:53:14,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 83 [2024-11-09 05:53:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:17,020 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 05:53:17,032 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 05:53:17,032 INFO L224 Elim1Store]: Index analysis took 105 ms [2024-11-09 05:53:17,099 INFO L349 Elim1Store]: treesize reduction 74, result has 1.3 percent of original size [2024-11-09 05:53:17,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 332 treesize of output 240 [2024-11-09 05:53:22,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:22,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:22,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:22,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 05:53:22,662 INFO L349 Elim1Store]: treesize reduction 71, result has 49.6 percent of original size [2024-11-09 05:53:22,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 326 treesize of output 301 [2024-11-09 05:53:39,966 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification. DAG size of input: 102 DAG size of output: 99 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:53:58,890 WARN L286 SmtUtils]: Spent 5.86s on a formula simplification that was a NOOP. DAG size: 103 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:54:00,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 539 treesize of output 509 [2024-11-09 05:54:10,321 WARN L286 SmtUtils]: Spent 10.00s on a formula simplification that was a NOOP. DAG size: 134 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 05:54:10,321 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 05:54:10,322 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 2444 treesize of output 2155 [2024-11-09 05:55:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:55:03,253 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:55:17,237 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:55:51,877 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse5 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0#1.base|)) (.cse7 (+ (* c_~ARR_SIZE~0 2) 1))) (let ((.cse2 (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select .cse5 |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7)) (.cse8 (* |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1| |c_ULTIMATE.start_main_~num~0#1|)) (.cse6 (* c_~ARR_SIZE~0 4)) (.cse1 (mod (+ c_~ARR_SIZE~0 4294967295) 4294967296))) (and (or (forall ((v_z_52 Int) (v_y_52 Int)) (let ((.cse0 (+ (* v_y_52 4294967296) (* v_z_52 4294967295)))) (or (< .cse0 2147483648) (< (+ .cse1 v_z_52) 4294967296) (< 4294967295 .cse0) (< 4294967295 v_z_52)))) .cse2) (forall ((v_ArrVal_33 Int)) (or (forall ((v_z_40 Int)) (let ((.cse3 (+ .cse1 v_z_40))) (or (< .cse3 2147483648) (< v_z_40 0) (< 4294967295 .cse3) (forall ((v_y_40 Int)) (let ((.cse4 (+ (* v_z_40 4294967295) (* v_y_40 4294967296)))) (or (< .cse4 0) (< 2147483647 .cse4) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ (* 17179869180 v_z_40) (* .cse6 (+ .cse1 v_z_40 (- 4294967296))) |c_ULTIMATE.start_main_~#array~0#1.offset| (* 17179869184 v_y_40)) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7))))))) (< .cse8 v_ArrVal_33))) (forall ((v_ArrVal_33 Int)) (or (< .cse8 v_ArrVal_33) (forall ((v_z_49 Int)) (let ((.cse9 (+ .cse1 v_z_49))) (or (< .cse9 2147483648) (< v_z_49 0) (forall ((v_y_49 Int)) (let ((.cse10 (+ (* v_z_49 4294967295) (* v_y_49 4294967296)))) (or (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ (* (+ .cse1 v_z_49 (- 4294967296)) .cse6) (- 17179869184) |c_ULTIMATE.start_main_~#array~0#1.offset| (* 17179869184 v_y_49) (* 17179869180 v_z_49)) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (< 4294967295 .cse10) (< .cse10 2147483648)))) (< 4294967295 .cse9)))))) (forall ((v_z_60 Int)) (or (< 4294967295 v_z_60) (< v_z_60 2147483648) (forall ((v_y_60 Int) (v_z_63 Int) (v_ArrVal_33 Int) (v_y_63 Int)) (let ((.cse11 (+ (- 17179869184) (* v_z_60 4) |c_ULTIMATE.start_main_~#array~0#1.offset| (* (+ v_z_63 (- 4294967296)) .cse6))) (.cse12 (* v_y_63 4294967296)) (.cse13 (* v_y_60 4294967296))) (or (< (+ (select (store .cse5 .cse11 v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|) .cse7) (= (+ .cse12 v_z_63) (+ v_z_60 .cse13)) (< (select .cse5 .cse11) v_ArrVal_33) (< v_z_63 2147483648) (< 4294967295 v_z_63) (= c_~ARR_SIZE~0 (+ .cse12 v_z_63 v_z_60 .cse13 1))))))) (forall ((v_z_60 Int) (v_ArrVal_33 Int) (v_z_64 Int)) (let ((.cse14 (+ (- 17179869184) (* v_z_64 .cse6) (* v_z_60 4) |c_ULTIMATE.start_main_~#array~0#1.offset|))) (or (< 2147483647 v_z_64) (< v_z_64 0) (< (+ (select (store .cse5 .cse14 v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|) .cse7) (< 4294967295 v_z_60) (< v_z_60 2147483648) (< (select .cse5 .cse14) v_ArrVal_33)))) (or .cse2 (forall ((v_z_47 Int) (v_y_47 Int) (v_ArrVal_33 Int)) (let ((.cse15 (+ .cse1 v_z_47)) (.cse16 (+ (* v_z_47 4294967295) (* v_y_47 4294967296)))) (or (< .cse8 v_ArrVal_33) (< 4294967295 v_z_47) (< .cse15 4294967296) (< .cse16 0) (< 6442450943 .cse15) (< 2147483647 .cse16) (< (+ (select (store .cse5 (+ (* .cse6 (+ .cse1 v_z_47 (- 4294967296))) |c_ULTIMATE.start_main_~#array~0#1.offset| (* 17179869184 v_y_47) (* 17179869180 v_z_47)) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|) .cse7))))) (forall ((v_ArrVal_33 Int)) (or (< .cse8 v_ArrVal_33) (forall ((v_z_40 Int)) (let ((.cse17 (+ .cse1 v_z_40))) (or (< .cse17 2147483648) (< v_z_40 0) (< 4294967295 .cse17) (forall ((v_y_40 Int)) (let ((.cse20 (+ (* v_z_40 4294967295) (* v_y_40 4294967296))) (.cse18 (* 17179869180 v_z_40)) (.cse19 (* 17179869184 v_y_40))) (or (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ .cse18 |c_ULTIMATE.start_main_~#array~0#1.offset| (* (+ .cse1 (- 8589934592) v_z_40) .cse6) .cse19) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (< .cse20 0) (< 2147483647 .cse20) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ .cse18 (* .cse6 (+ .cse1 v_z_40 (- 4294967296))) |c_ULTIMATE.start_main_~#array~0#1.offset| .cse19) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7))))))))) (forall ((v_ArrVal_33 Int)) (or (< .cse8 v_ArrVal_33) (forall ((v_z_47 Int)) (let ((.cse21 (+ .cse1 v_z_47))) (or (< 4294967295 v_z_47) (< .cse21 4294967296) (forall ((v_y_47 Int)) (let ((.cse22 (+ (* v_z_47 4294967295) (* v_y_47 4294967296)))) (or (< .cse22 0) (< 2147483647 .cse22) (< (+ (select (store .cse5 (+ (* .cse6 (+ .cse1 v_z_47 (- 4294967296))) |c_ULTIMATE.start_main_~#array~0#1.offset| (* 17179869184 v_y_47) (* 17179869180 v_z_47)) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|) |c_ULTIMATE.start_main_~sum~0#1|) .cse7)))) (< 6442450943 .cse21)))))) (forall ((v_ArrVal_33 Int)) (or (< .cse8 v_ArrVal_33) (forall ((v_z_52 Int)) (let ((.cse23 (+ .cse1 v_z_52))) (or (< 2147483647 .cse23) (forall ((v_y_52 Int)) (let ((.cse24 (+ (* v_y_52 4294967296) (* v_z_52 4294967295)))) (or (< .cse24 2147483648) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ (* .cse23 .cse6) (- 17179869184) (* 17179869180 v_z_52) (* 17179869184 v_y_52) |c_ULTIMATE.start_main_~#array~0#1.offset|) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (< 4294967295 .cse24)))) (< v_z_52 0)))))) (forall ((v_z_53 Int)) (or (forall ((v_ArrVal_33 Int) (v_z_54 Int) (v_y_53 Int) (v_y_54 Int)) (let ((.cse25 (+ (* v_z_54 .cse6) (* v_z_53 4) |c_ULTIMATE.start_main_~#array~0#1.offset|)) (.cse26 (* v_y_53 4294967296)) (.cse27 (* v_y_54 4294967296))) (or (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 .cse25 v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (= (+ v_z_53 .cse26) (+ v_z_54 .cse27)) (< (select .cse5 .cse25) v_ArrVal_33) (< v_z_54 0) (< 2147483647 v_z_54) (= c_~ARR_SIZE~0 (+ v_z_54 v_z_53 .cse26 .cse27 1))))) (< v_z_53 0) (< 2147483647 v_z_53))) (or (forall ((v_z_47 Int) (v_y_47 Int) (v_ArrVal_33 Int)) (let ((.cse29 (+ .cse1 v_z_47)) (.cse28 (+ (* v_z_47 4294967295) (* v_y_47 4294967296)))) (or (< .cse8 v_ArrVal_33) (< .cse28 0) (< 2147483647 .cse29) (< v_z_47 0) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ (* .cse29 .cse6) |c_ULTIMATE.start_main_~#array~0#1.offset| (* 17179869184 v_y_47) (* 17179869180 v_z_47)) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (< 2147483647 .cse28)))) .cse2) (forall ((v_ArrVal_33 Int)) (or (forall ((v_z_33 Int)) (or (< 4294967295 v_z_33) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ (* .cse6 (+ v_z_33 (- 4294967296))) (* v_z_33 4) (- 17179869184) |c_ULTIMATE.start_main_~#array~0#1.offset|) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (< v_z_33 2147483648))) (< .cse8 v_ArrVal_33))) (forall ((v_z_58 Int) (v_ArrVal_33 Int) (v_z_53 Int)) (let ((.cse30 (+ (* v_z_53 4) (* (+ v_z_58 (- 4294967296)) .cse6) |c_ULTIMATE.start_main_~#array~0#1.offset|))) (or (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 .cse30 v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (< v_z_53 0) (< 4294967295 v_z_58) (< 2147483647 v_z_53) (< v_z_58 2147483648) (< (select .cse5 .cse30) v_ArrVal_33)))) (or (forall ((v_z_40 Int) (v_y_40 Int)) (let ((.cse31 (+ (* v_z_40 4294967295) (* v_y_40 4294967296)))) (or (< .cse31 0) (< (+ .cse1 v_z_40) 6442450944) (< 2147483647 .cse31) (< 4294967295 v_z_40)))) .cse2) (or (forall ((v_z_52 Int) (v_ArrVal_33 Int) (v_y_52 Int)) (let ((.cse32 (+ .cse1 v_z_52)) (.cse33 (+ (* v_y_52 4294967296) (* v_z_52 4294967295)))) (or (< 2147483647 .cse32) (< .cse8 v_ArrVal_33) (< .cse33 2147483648) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ (* .cse32 .cse6) (- 17179869184) (* 17179869180 v_z_52) (* 17179869184 v_y_52) |c_ULTIMATE.start_main_~#array~0#1.offset|) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (< 4294967295 .cse33) (< v_z_52 0)))) .cse2) (forall ((v_ArrVal_33 Int)) (or (< .cse8 v_ArrVal_33) (forall ((v_z_31 Int)) (or (< 2147483647 v_z_31) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ (* v_z_31 4) |c_ULTIMATE.start_main_~#array~0#1.offset| (* v_z_31 .cse6)) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (< v_z_31 0))))) (or (forall ((v_z_49 Int) (v_y_49 Int) (v_ArrVal_33 Int)) (let ((.cse35 (+ (* v_z_49 4294967295) (* v_y_49 4294967296))) (.cse34 (+ .cse1 v_z_49))) (or (< .cse8 v_ArrVal_33) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ (* (+ .cse1 v_z_49 (- 4294967296)) .cse6) (- 17179869184) |c_ULTIMATE.start_main_~#array~0#1.offset| (* 17179869184 v_y_49) (* 17179869180 v_z_49)) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (< .cse34 2147483648) (< 4294967295 .cse35) (< .cse35 2147483648) (< 4294967295 .cse34)))) .cse2) (forall ((v_ArrVal_33 Int)) (or (< .cse8 v_ArrVal_33) (forall ((v_z_47 Int)) (let ((.cse37 (+ .cse1 v_z_47))) (or (forall ((v_y_47 Int)) (let ((.cse36 (+ (* v_z_47 4294967295) (* v_y_47 4294967296)))) (or (< .cse36 0) (< (+ |c_ULTIMATE.start_main_~sum~0#1| (select (store .cse5 (+ (* .cse37 .cse6) |c_ULTIMATE.start_main_~#array~0#1.offset| (* 17179869184 v_y_47) (* 17179869180 v_z_47)) v_ArrVal_33) |c_ULTIMATE.start_main_~#array~0#1.offset|)) .cse7) (< 2147483647 .cse36)))) (< 2147483647 .cse37) (< v_z_47 0))))))))) is different from true [2024-11-09 05:56:03,889 WARN L286 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-09 05:56:08,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:56:08,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845078903] [2024-11-09 05:56:08,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 05:56:08,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514773835] [2024-11-09 05:56:08,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514773835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 05:56:08,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2097686513] [2024-11-09 05:56:08,731 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2024-11-09 05:56:08,731 INFO L166 IcfgInterpreter]: Building call graph [2024-11-09 05:56:08,735 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-09 05:56:08,741 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-09 05:56:08,741 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-09 05:56:12,834 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 1 for LOIs [2024-11-09 05:56:12,835 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-09 05:56:34,979 WARN L286 SmtUtils]: Spent 5.79s on a formula simplification. DAG size of input: 173 DAG size of output: 66 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 05:56:38,134 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '538#true' at error location [2024-11-09 05:56:38,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-09 05:56:38,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-09 05:56:38,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-09 05:56:38,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998380698] [2024-11-09 05:56:38,136 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-09 05:56:38,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 05:56:38,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:56:38,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 05:56:38,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=862, Unknown=12, NotChecked=60, Total=1056 [2024-11-09 05:56:38,138 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand has 12 states, 10 states have (on average 2.5) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:56:42,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-11-09 05:56:42,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:56:42,950 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2024-11-09 05:56:42,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 05:56:42,951 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 2.5) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-09 05:56:42,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:56:42,951 INFO L225 Difference]: With dead ends: 56 [2024-11-09 05:56:42,951 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:56:42,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 50.0s TimeCoverageRelationStatistics Valid=148, Invalid=1104, Unknown=12, NotChecked=68, Total=1332 [2024-11-09 05:56:42,953 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 45 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-09 05:56:42,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 43 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-09 05:56:42,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:56:42,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:56:42,955 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 05:56:42,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:56:42,955 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2024-11-09 05:56:42,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:56:42,955 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:56:42,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 2.5) internal successors, (25), 12 states have internal predecessors, (25), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-09 05:56:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:56:42,956 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:56:42,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:56:42,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-09 05:56:43,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:56:43,163 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 05:56:43,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:56:43,531 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:56:43,545 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#array~0!offset [2024-11-09 05:56:43,547 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:56:43,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:56:43,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#array~0!base,]]] [2024-11-09 05:56:43,548 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#array~0!offset [2024-11-09 05:56:43,549 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#array~0!offset [2024-11-09 05:56:43,550 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#array~0!offset [2024-11-09 05:56:43,551 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-11-09 05:56:43,551 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-11-09 05:56:43,551 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#array~0!base,]]] [2024-11-09 05:56:43,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:56:43 BoogieIcfgContainer [2024-11-09 05:56:43,564 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:56:43,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:56:43,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:56:43,565 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:56:43,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:52:51" (3/4) ... [2024-11-09 05:56:43,568 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:56:43,572 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-09 05:56:43,576 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-09 05:56:43,580 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-09 05:56:43,581 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 05:56:43,581 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:56:43,682 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:56:43,682 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:56:43,682 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:56:43,683 INFO L158 Benchmark]: Toolchain (without parser) took 233359.81ms. Allocated memory was 167.8MB in the beginning and 253.8MB in the end (delta: 86.0MB). Free memory was 132.3MB in the beginning and 124.2MB in the end (delta: 8.1MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. [2024-11-09 05:56:43,683 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 115.3MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:56:43,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.38ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 131.3MB in the end (delta: 361.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:56:43,684 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.28ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 129.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:56:43,684 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 167.8MB. Free memory was 129.1MB in the beginning and 127.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:56:43,685 INFO L158 Benchmark]: RCFGBuilder took 552.56ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 111.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-09 05:56:43,685 INFO L158 Benchmark]: TraceAbstraction took 232174.31ms. Allocated memory was 167.8MB in the beginning and 253.8MB in the end (delta: 86.0MB). Free memory was 110.3MB in the beginning and 129.5MB in the end (delta: -19.2MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2024-11-09 05:56:43,686 INFO L158 Benchmark]: Witness Printer took 118.15ms. Allocated memory is still 253.8MB. Free memory was 129.5MB in the beginning and 124.2MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 05:56:43,687 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 115.3MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.38ms. Allocated memory is still 167.8MB. Free memory was 131.6MB in the beginning and 131.3MB in the end (delta: 361.5kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.28ms. Allocated memory is still 167.8MB. Free memory was 131.3MB in the beginning and 129.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 167.8MB. Free memory was 129.1MB in the beginning and 127.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.56ms. Allocated memory is still 167.8MB. Free memory was 127.8MB in the beginning and 111.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 232174.31ms. Allocated memory was 167.8MB in the beginning and 253.8MB in the end (delta: 86.0MB). Free memory was 110.3MB in the beginning and 129.5MB in the end (delta: -19.2MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Witness Printer took 118.15ms. Allocated memory is still 253.8MB. Free memory was 129.5MB in the beginning and 124.2MB in the end (delta: 5.3MB). 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: Unknown variable: ~#array~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#array~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#array~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#array~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#array~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~#array~0!base,]]] * 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: 33]: 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 2 procedures, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 231.7s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 141 SdHoareTripleChecker+Valid, 3.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 122 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 61 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 406 IncrementalHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 61 mSDtfsCounter, 406 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 93 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 50.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=3, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 195.4s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 134 ConstructedInterpolants, 10 QuantifiedInterpolants, 3921 SizeOfPredicates, 8 NumberOfNonLiveVariables, 299 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 28/38 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: 55]: Loop Invariant Derived loop invariant: (0 < ARR_SIZE) - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: (((((sum <= 0) && (((long long) num + 1) == 0)) && (0 <= row)) && (1 <= ARR_SIZE)) || ((((sum <= 0) && (((long long) num + 1) == 0)) && (row == 0)) && (1 <= ARR_SIZE))) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: ((((((sum <= 0) && (((long long) num + 1) == 0)) && (row == 0)) && (column == 0)) && (1 <= ARR_SIZE)) || ((((sum <= 0) && (((long long) num + 1) == 0)) && (0 <= row)) && (1 <= ARR_SIZE))) - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: ((0 <= row) && (1 <= ARR_SIZE)) - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((0 <= row) && (1 <= ARR_SIZE)) - ProcedureContractResult [Line: 30]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (ARR_SIZE == \old(ARR_SIZE))) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:56:43,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e565eed4-abf9-4f38-9d22-51041936b34c/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE