./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/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_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 04:50:20,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 04:50:20,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Overflow-32bit-Taipan_Default.epf [2024-11-09 04:50:20,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 04:50:20,671 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 04:50:20,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 04:50:20,724 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 04:50:20,724 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 04:50:20,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 04:50:20,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 04:50:20,728 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 04:50:20,729 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 04:50:20,729 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 04:50:20,730 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 04:50:20,730 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 04:50:20,730 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 04:50:20,731 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 04:50:20,731 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 04:50:20,732 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 04:50:20,732 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 04:50:20,732 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 04:50:20,737 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 04:50:20,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 04:50:20,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 04:50:20,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 04:50:20,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 04:50:20,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 04:50:20,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 04:50:20,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 04:50:20,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 04:50:20,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 04:50:20,742 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 04:50:20,743 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 04:50:20,743 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 04:50:20,744 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 04:50:20,744 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 04:50:20,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 04:50:20,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 04:50:20,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 04:50:20,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 04:50:20,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:50:20,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 04:50:20,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 04:50:20,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 04:50:20,763 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 04:50:20,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 04:50:20,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 04:50:20,764 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 04:50:20,764 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 04:50:20,764 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_207d3890-8d7e-4dda-8339-a38bfea33b95/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f34940ecf685c2c1201858b264ccb53eb3034d3cb9952a1b49bb437c42dde1 [2024-11-09 04:50:21,098 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 04:50:21,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 04:50:21,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 04:50:21,141 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 04:50:21,141 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 04:50:21,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i Unable to find full path for "g++" [2024-11-09 04:50:23,270 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 04:50:23,626 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 04:50:23,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test3-1.i [2024-11-09 04:50:23,646 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/data/a1f91e60c/3053c94094e74e1f9df6cb2ad44ee19a/FLAG2a5a5b2fb [2024-11-09 04:50:23,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/data/a1f91e60c/3053c94094e74e1f9df6cb2ad44ee19a [2024-11-09 04:50:23,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 04:50:23,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 04:50:23,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 04:50:23,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 04:50:23,692 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 04:50:23,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:50:23" (1/1) ... [2024-11-09 04:50:23,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65de066c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:23, skipping insertion in model container [2024-11-09 04:50:23,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:50:23" (1/1) ... [2024-11-09 04:50:23,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 04:50:24,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:50:24,524 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 04:50:24,721 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 04:50:24,775 INFO L204 MainTranslator]: Completed translation [2024-11-09 04:50:24,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24 WrapperNode [2024-11-09 04:50:24,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 04:50:24,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 04:50:24,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 04:50:24,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 04:50:24,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:24,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:24,904 INFO L138 Inliner]: procedures = 177, calls = 279, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1428 [2024-11-09 04:50:24,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 04:50:24,906 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 04:50:24,906 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 04:50:24,906 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 04:50:24,917 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:24,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:24,928 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:24,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:24,981 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:24,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:25,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:25,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:25,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 04:50:25,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 04:50:25,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 04:50:25,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 04:50:25,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (1/1) ... [2024-11-09 04:50:25,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 04:50:25,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:50:25,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 04:50:25,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 04:50:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-09 04:50:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-09 04:50:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 04:50:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 04:50:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 04:50:25,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 04:50:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-09 04:50:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-09 04:50:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 04:50:25,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 04:50:25,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 04:50:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 04:50:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 04:50:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 04:50:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 04:50:25,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 04:50:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 04:50:25,500 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 04:50:25,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 04:50:27,536 INFO L? ?]: Removed 331 outVars from TransFormulas that were not future-live. [2024-11-09 04:50:27,536 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 04:50:29,288 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 04:50:29,290 INFO L316 CfgBuilder]: Removed 58 assume(true) statements. [2024-11-09 04:50:29,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:50:29 BoogieIcfgContainer [2024-11-09 04:50:29,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 04:50:29,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 04:50:29,295 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 04:50:29,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 04:50:29,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:50:23" (1/3) ... [2024-11-09 04:50:29,300 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c3d8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:50:29, skipping insertion in model container [2024-11-09 04:50:29,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:50:24" (2/3) ... [2024-11-09 04:50:29,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c3d8d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:50:29, skipping insertion in model container [2024-11-09 04:50:29,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:50:29" (3/3) ... [2024-11-09 04:50:29,304 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test3-1.i [2024-11-09 04:50:29,326 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 04:50:29,326 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-09 04:50:29,416 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 04:50:29,424 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;@163e114b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 04:50:29,425 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-09 04:50:29,432 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 134 states have (on average 1.7388059701492538) internal successors, (233), 149 states have internal predecessors, (233), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-09 04:50:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 04:50:29,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:50:29,441 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 04:50:29,441 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 04:50:29,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:50:29,446 INFO L85 PathProgramCache]: Analyzing trace with hash 47827764, now seen corresponding path program 1 times [2024-11-09 04:50:29,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:50:29,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104035950] [2024-11-09 04:50:29,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:29,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:50:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 04:50:29,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980584381] [2024-11-09 04:50:29,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:50:29,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:50:29,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:50:29,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:50:29,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 04:50:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:50:29,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-09 04:50:29,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:50:29,995 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 11 treesize of output 7 [2024-11-09 04:50:30,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 04:50:30,093 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 15 treesize of output 7 [2024-11-09 04:50:30,105 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 04:50:30,105 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 04:50:30,106 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:50:30,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104035950] [2024-11-09 04:50:30,107 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-09 04:50:30,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980584381] [2024-11-09 04:50:30,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980584381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:50:30,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:50:30,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:50:30,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681550204] [2024-11-09 04:50:30,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:50:30,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:50:30,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:50:30,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:50:30,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:50:30,152 INFO L87 Difference]: Start difference. First operand has 156 states, 134 states have (on average 1.7388059701492538) internal successors, (233), 149 states have internal predecessors, (233), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 6 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 04:50:32,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:34,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:36,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:38,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:40,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:42,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:45,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:47,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:49,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:51,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:53,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:55,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:57,061 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:50:59,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:01,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:03,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:04,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:51:04,187 INFO L93 Difference]: Finished difference Result 399 states and 669 transitions. [2024-11-09 04:51:04,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:51:04,193 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 4 [2024-11-09 04:51:04,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:51:04,210 INFO L225 Difference]: With dead ends: 399 [2024-11-09 04:51:04,211 INFO L226 Difference]: Without dead ends: 237 [2024-11-09 04:51:04,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:51:04,223 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 98 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.9s IncrementalHoareTripleChecker+Time [2024-11-09 04:51:04,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 434 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 15 Unknown, 0 Unchecked, 33.9s Time] [2024-11-09 04:51:04,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-09 04:51:04,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 154. [2024-11-09 04:51:04,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 136 states have (on average 1.2573529411764706) internal successors, (171), 148 states have internal predecessors, (171), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 04:51:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 187 transitions. [2024-11-09 04:51:04,302 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 187 transitions. Word has length 4 [2024-11-09 04:51:04,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:51:04,303 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 187 transitions. [2024-11-09 04:51:04,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 04:51:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 187 transitions. [2024-11-09 04:51:04,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 04:51:04,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:04,305 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:51:04,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 04:51:04,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 04:51:04,509 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 04:51:04,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:04,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1474829287, now seen corresponding path program 1 times [2024-11-09 04:51:04,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:51:04,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308399450] [2024-11-09 04:51:04,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:04,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:51:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:04,820 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 04:51:04,821 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:51:04,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308399450] [2024-11-09 04:51:04,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308399450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:51:04,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:51:04,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 04:51:04,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487248143] [2024-11-09 04:51:04,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:51:04,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 04:51:04,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:51:04,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 04:51:04,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 04:51:04,826 INFO L87 Difference]: Start difference. First operand 154 states and 187 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 04:51:06,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:08,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:10,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:12,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:14,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:16,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:18,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:20,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:22,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:23,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:51:23,362 INFO L93 Difference]: Finished difference Result 302 states and 377 transitions. [2024-11-09 04:51:23,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 04:51:23,367 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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) Word has length 10 [2024-11-09 04:51:23,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:51:23,370 INFO L225 Difference]: With dead ends: 302 [2024-11-09 04:51:23,370 INFO L226 Difference]: Without dead ends: 221 [2024-11-09 04:51:23,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 04:51:23,372 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 78 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2024-11-09 04:51:23,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 428 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 117 Invalid, 7 Unknown, 0 Unchecked, 18.5s Time] [2024-11-09 04:51:23,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-09 04:51:23,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 154. [2024-11-09 04:51:23,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 136 states have (on average 1.25) internal successors, (170), 148 states have internal predecessors, (170), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 04:51:23,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 186 transitions. [2024-11-09 04:51:23,392 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 186 transitions. Word has length 10 [2024-11-09 04:51:23,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:51:23,393 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 186 transitions. [2024-11-09 04:51:23,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 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 04:51:23,393 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 186 transitions. [2024-11-09 04:51:23,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-09 04:51:23,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:23,395 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-11-09 04:51:23,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 04:51:23,396 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 04:51:23,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:23,397 INFO L85 PathProgramCache]: Analyzing trace with hash -2122825065, now seen corresponding path program 1 times [2024-11-09 04:51:23,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:51:23,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999412521] [2024-11-09 04:51:23,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:23,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:51:23,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:23,878 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 04:51:23,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:51:23,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999412521] [2024-11-09 04:51:23,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999412521] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 04:51:23,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 04:51:23,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 04:51:23,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034286711] [2024-11-09 04:51:23,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 04:51:23,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 04:51:23,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 04:51:23,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 04:51:23,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:51:23,881 INFO L87 Difference]: Start difference. First operand 154 states and 186 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 04:51:25,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:27,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:30,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:32,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:34,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:36,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:37,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:40,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-09 04:51:40,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 04:51:40,749 INFO L93 Difference]: Finished difference Result 360 states and 433 transitions. [2024-11-09 04:51:40,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 04:51:40,753 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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) Word has length 33 [2024-11-09 04:51:40,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 04:51:40,755 INFO L225 Difference]: With dead ends: 360 [2024-11-09 04:51:40,755 INFO L226 Difference]: Without dead ends: 211 [2024-11-09 04:51:40,756 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 04:51:40,757 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 48 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2024-11-09 04:51:40,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 316 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 7 Unknown, 0 Unchecked, 16.8s Time] [2024-11-09 04:51:40,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-09 04:51:40,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2024-11-09 04:51:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 189 states have (on average 1.2275132275132274) internal successors, (232), 201 states have internal predecessors, (232), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-09 04:51:40,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 248 transitions. [2024-11-09 04:51:40,777 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 248 transitions. Word has length 33 [2024-11-09 04:51:40,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 04:51:40,778 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 248 transitions. [2024-11-09 04:51:40,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 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 04:51:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 248 transitions. [2024-11-09 04:51:40,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-09 04:51:40,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 04:51:40,780 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 04:51:40,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 04:51:40,780 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-09 04:51:40,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 04:51:40,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1313069368, now seen corresponding path program 1 times [2024-11-09 04:51:40,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 04:51:40,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519919249] [2024-11-09 04:51:40,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:40,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 04:51:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 04:51:42,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 04:51:42,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519919249] [2024-11-09 04:51:42,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519919249] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 04:51:42,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210473720] [2024-11-09 04:51:42,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 04:51:42,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 04:51:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 04:51:42,144 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 04:51:42,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_207d3890-8d7e-4dda-8339-a38bfea33b95/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 04:51:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 04:51:44,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-09 04:51:44,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 04:51:44,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-11-09 04:51:45,030 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2024-11-09 04:51:45,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2024-11-09 04:51:45,038 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 11 treesize of output 7 [2024-11-09 04:51:45,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 04:52:17,961 INFO L224 Elim1Store]: Index analysis took 1417 ms