./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ --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 ddaccc1a0ddb0072edffeef8ad9576acf619c322d8f731037fda7dc2530a10f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:11:50,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:11:50,227 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:11:50,233 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:11:50,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:11:50,265 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:11:50,266 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:11:50,267 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:11:50,267 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:11:50,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:11:50,269 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:11:50,270 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:11:50,270 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:11:50,271 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:11:50,272 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:11:50,272 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:11:50,273 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:11:50,274 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:11:50,274 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:11:50,275 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:11:50,276 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:11:50,277 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:11:50,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:11:50,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:11:50,279 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:11:50,280 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:11:50,280 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:11:50,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:11:50,282 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:11:50,282 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:11:50,283 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:11:50,284 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:11:50,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:11:50,285 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:11:50,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:11:50,286 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:11:50,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:11:50,288 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:11:50,288 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:11:50,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:11:50,289 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:11:50,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:11:50,291 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:11:50,291 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:11:50,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:11:50,293 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_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddaccc1a0ddb0072edffeef8ad9576acf619c322d8f731037fda7dc2530a10f9 [2023-11-19 05:11:50,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:11:50,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:11:50,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:11:50,626 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:11:50,627 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:11:50,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i [2023-11-19 05:11:53,789 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:11:54,007 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:11:54,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i [2023-11-19 05:11:54,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/data/b00dae060/f7f4c68959d0492bafa0873e81a2d376/FLAGf47a30ae9 [2023-11-19 05:11:54,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/data/b00dae060/f7f4c68959d0492bafa0873e81a2d376 [2023-11-19 05:11:54,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:11:54,037 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:11:54,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:11:54,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:11:54,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:11:54,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415e5de2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54, skipping insertion in model container [2023-11-19 05:11:54,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,079 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:11:54,237 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i[916,929] [2023-11-19 05:11:54,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:11:54,325 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:11:54,339 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i[916,929] [2023-11-19 05:11:54,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:11:54,406 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:11:54,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54 WrapperNode [2023-11-19 05:11:54,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:11:54,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:11:54,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:11:54,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:11:54,416 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,486 INFO L138 Inliner]: procedures = 29, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 492 [2023-11-19 05:11:54,486 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:11:54,487 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:11:54,487 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:11:54,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:11:54,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,541 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,554 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:11:54,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:11:54,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:11:54,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:11:54,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (1/1) ... [2023-11-19 05:11:54,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:11:54,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:11:54,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:11:54,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:11:54,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:11:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:11:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:11:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:11:54,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:11:54,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:11:54,684 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:11:54,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:11:54,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:11:54,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:11:54,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:11:54,852 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:11:54,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:11:55,599 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:11:56,922 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:11:56,922 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:11:56,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:56 BoogieIcfgContainer [2023-11-19 05:11:56,931 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:11:56,936 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:11:56,937 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:11:56,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:11:56,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:11:54" (1/3) ... [2023-11-19 05:11:56,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@481f5ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:11:56, skipping insertion in model container [2023-11-19 05:11:56,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:11:54" (2/3) ... [2023-11-19 05:11:56,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@481f5ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:11:56, skipping insertion in model container [2023-11-19 05:11:56,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:56" (3/3) ... [2023-11-19 05:11:56,947 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-56.i [2023-11-19 05:11:56,968 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:11:56,969 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:11:57,040 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:11:57,049 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d3e4140, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:11:57,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:11:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:11:57,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 05:11:57,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:11:57,073 INFO L195 NwaCegarLoop]: trace histogram [19, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:11:57,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:11:57,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:11:57,082 INFO L85 PathProgramCache]: Analyzing trace with hash 222654536, now seen corresponding path program 1 times [2023-11-19 05:11:57,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:11:57,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676936826] [2023-11-19 05:11:57,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:11:57,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:12:04,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:12:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:12:07,836 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:12:07,839 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:12:07,841 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:12:07,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:12:07,849 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:12:07,863 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:12:07,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:12:07,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:12:07,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:12:07,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:12:07,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 05:12:07,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 05:12:07,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:12:07,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:12:07,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 05:12:07,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 05:12:07,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:12:07,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:12:07,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:12:07,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:12:07,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:12:07,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:12:07,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:12:07,943 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:12:07,944 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:12:07,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:12:07,945 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:12:07,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:12:07,946 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:12:07,947 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:12:07,949 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:12:07,951 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:12:07,952 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 05:12:07,953 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 05:12:07,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-19 05:12:07,954 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 05:12:07,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 05:12:07,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-19 05:12:07,955 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated [2023-11-19 05:12:07,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:12:07,956 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 05:12:07,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 05:12:07,957 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-19 05:12:07,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 05:12:07,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-19 05:12:07,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated [2023-11-19 05:12:07,958 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 05:12:07,959 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:12:07,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 05:12:07,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 05:12:07,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-19 05:12:07,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-19 05:12:07,963 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 05:12:07,966 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 05:12:07,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-19 05:12:07,969 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-19 05:12:08,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:12:08 BoogieIcfgContainer [2023-11-19 05:12:08,001 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:12:08,003 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:12:08,004 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:12:08,004 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:12:08,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:11:56" (3/4) ... [2023-11-19 05:12:08,009 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:12:08,011 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:12:08,012 INFO L158 Benchmark]: Toolchain (without parser) took 13974.60ms. Allocated memory was 119.5MB in the beginning and 606.1MB in the end (delta: 486.5MB). Free memory was 80.2MB in the beginning and 450.7MB in the end (delta: -370.5MB). Peak memory consumption was 117.9MB. Max. memory is 16.1GB. [2023-11-19 05:12:08,013 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:12:08,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.84ms. Allocated memory is still 119.5MB. Free memory was 80.2MB in the beginning and 62.7MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 05:12:08,015 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.29ms. Allocated memory is still 119.5MB. Free memory was 62.7MB in the beginning and 57.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:12:08,017 INFO L158 Benchmark]: Boogie Preprocessor took 86.48ms. Allocated memory is still 119.5MB. Free memory was 57.6MB in the beginning and 53.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:12:08,022 INFO L158 Benchmark]: RCFGBuilder took 2356.28ms. Allocated memory was 119.5MB in the beginning and 201.3MB in the end (delta: 81.8MB). Free memory was 53.9MB in the beginning and 96.0MB in the end (delta: -42.1MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2023-11-19 05:12:08,024 INFO L158 Benchmark]: TraceAbstraction took 11065.54ms. Allocated memory was 201.3MB in the beginning and 606.1MB in the end (delta: 404.8MB). Free memory was 96.0MB in the beginning and 450.7MB in the end (delta: -354.7MB). Peak memory consumption was 264.1MB. Max. memory is 16.1GB. [2023-11-19 05:12:08,024 INFO L158 Benchmark]: Witness Printer took 7.56ms. Allocated memory is still 606.1MB. Free memory is still 450.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:12:08,033 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 119.5MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.84ms. Allocated memory is still 119.5MB. Free memory was 80.2MB in the beginning and 62.7MB in the end (delta: 17.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.29ms. Allocated memory is still 119.5MB. Free memory was 62.7MB in the beginning and 57.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.48ms. Allocated memory is still 119.5MB. Free memory was 57.6MB in the beginning and 53.9MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2356.28ms. Allocated memory was 119.5MB in the beginning and 201.3MB in the end (delta: 81.8MB). Free memory was 53.9MB in the beginning and 96.0MB in the end (delta: -42.1MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11065.54ms. Allocated memory was 201.3MB in the beginning and 606.1MB in the end (delta: 404.8MB). Free memory was 96.0MB in the beginning and 450.7MB in the end (delta: -354.7MB). Peak memory consumption was 264.1MB. Max. memory is 16.1GB. * Witness Printer took 7.56ms. Allocated memory is still 606.1MB. Free memory is still 450.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 125, overapproximation of shiftRight at line 59, overapproximation of shiftLeft at line 68. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 1, 0, 128, 16, 2, 8, 10.5, 0, 0, 99.25, 64, 0, 0, 1 }; [L55] unsigned char last_1_WrapperStruct00_var_1_14 = 64; [L129] isInitial = 1 [L130] FCALL initially() [L131] COND TRUE 1 [L132] CALL updateLastVariables() [L122] EXPR WrapperStruct00.var_1_14 [L122] last_1_WrapperStruct00_var_1_14 = WrapperStruct00.var_1_14 [L132] RET updateLastVariables() [L133] CALL updateVariables() [L91] WrapperStruct00.var_1_3 = __VERIFIER_nondet_char() [L92] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L93] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 16) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 16) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L94] WrapperStruct00.var_1_5 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L96] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L97] WrapperStruct00.var_1_6 = __VERIFIER_nondet_uchar() [L98] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_6 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L99] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_6 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_6 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L100] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L101] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L102] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L103] WrapperStruct00.var_1_8 = __VERIFIER_nondet_uchar() [L104] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L105] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 64) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 64) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L106] WrapperStruct00.var_1_10 = __VERIFIER_nondet_uchar() [L107] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L107] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L108] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L109] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L110] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L111] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L112] WrapperStruct00.var_1_13 = __VERIFIER_nondet_double() [L113] EXPR WrapperStruct00.var_1_13 [L113] EXPR WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F [L113] EXPR (WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) [L113] EXPR WrapperStruct00.var_1_13 [L113] EXPR WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F [L113] EXPR WrapperStruct00.var_1_13 [L113] EXPR WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F [L113] EXPR (WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L113] CALL assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((WrapperStruct00.var_1_13 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_13 <= -1.0e-20F) || (WrapperStruct00.var_1_13 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_13 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L114] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L115] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L116] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L117] WrapperStruct00.var_1_18 = __VERIFIER_nondet_uchar() [L118] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L119] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L133] RET updateVariables() [L134] CALL step() [L59] EXPR WrapperStruct00.var_1_3 [L59] EXPR last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3 [L59] COND FALSE !((last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3) >= last_1_WrapperStruct00_var_1_14) [L62] EXPR WrapperStruct00.var_1_6 [L62] EXPR WrapperStruct00.var_1_3 [L62] EXPR ((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3) [L62] EXPR WrapperStruct00.var_1_3 [L62] EXPR ((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3) [L62] EXPR WrapperStruct00.var_1_8 [L62] EXPR WrapperStruct00.var_1_7 [L62] EXPR (((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7) [L62] EXPR WrapperStruct00.var_1_7 [L62] EXPR (((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7) [L62] WrapperStruct00.var_1_1 = (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3))) + (((((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7)))) [L64] EXPR WrapperStruct00.var_1_8 [L64] EXPR WrapperStruct00.var_1_1 [L64] EXPR WrapperStruct00.var_1_7 [L64] COND TRUE (WrapperStruct00.var_1_8 + WrapperStruct00.var_1_1) >= WrapperStruct00.var_1_7 [L65] EXPR WrapperStruct00.var_1_6 [L65] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_6 [L67] EXPR WrapperStruct00.var_1_12 [L67] WrapperStruct00.var_1_12 || WrapperStruct00.var_1_10 [L67] EXPR WrapperStruct00.var_1_10 [L67] WrapperStruct00.var_1_12 || WrapperStruct00.var_1_10 [L67] COND TRUE WrapperStruct00.var_1_12 || WrapperStruct00.var_1_10 [L68] EXPR WrapperStruct00.var_1_1 [L68] EXPR WrapperStruct00.var_1_8 [L68] EXPR WrapperStruct00.var_1_3 [L68] EXPR WrapperStruct00.var_1_8 << WrapperStruct00.var_1_3 [L68] COND TRUE WrapperStruct00.var_1_1 >= (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_3) [L69] EXPR WrapperStruct00.var_1_6 [L69] EXPR WrapperStruct00.var_1_7 [L69] COND TRUE WrapperStruct00.var_1_6 > WrapperStruct00.var_1_7 [L70] EXPR WrapperStruct00.var_1_17 [L70] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_17 [L80] EXPR WrapperStruct00.var_1_14 [L80] unsigned char stepLocal_1 = WrapperStruct00.var_1_14; [L81] EXPR WrapperStruct00.var_1_16 [L81] unsigned char stepLocal_0 = WrapperStruct00.var_1_16; [L82] WrapperStruct00.var_1_16 [L82] COND FALSE !(WrapperStruct00.var_1_16) [L134] RET step() [L135] CALL, EXPR property() [L125] EXPR WrapperStruct00.var_1_3 [L125] EXPR last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3 [L125] EXPR ((last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3) >= last_1_WrapperStruct00_var_1_14) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7)))))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))))))))) : (WrapperStruct00.var_1_1 == ((unsigned char) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3))) + (((((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7)))))) [L125] EXPR WrapperStruct00.var_1_1 [L125] EXPR WrapperStruct00.var_1_6 [L125] EXPR WrapperStruct00.var_1_3 [L125] EXPR ((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3) [L125] EXPR WrapperStruct00.var_1_3 [L125] EXPR ((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3) [L125] EXPR WrapperStruct00.var_1_8 [L125] EXPR WrapperStruct00.var_1_7 [L125] EXPR (((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7) [L125] EXPR WrapperStruct00.var_1_7 [L125] EXPR (((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7) [L125] EXPR ((last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3) >= last_1_WrapperStruct00_var_1_14) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7)))))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))))))))) : (WrapperStruct00.var_1_1 == ((unsigned char) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3))) + (((((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7)))))) [L125] EXPR (((last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3) >= last_1_WrapperStruct00_var_1_14) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7)))))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))))))))) : (WrapperStruct00.var_1_1 == ((unsigned char) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3))) + (((((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7))))))) && (WrapperStruct00.var_1_16 ? ((WrapperStruct00.var_1_16 || WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_14 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_9 == ((double) WrapperStruct00.var_1_13)) : 1) : 1) : 1) [L125] EXPR WrapperStruct00.var_1_16 [L125] EXPR WrapperStruct00.var_1_16 ? ((WrapperStruct00.var_1_16 || WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_14 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_9 == ((double) WrapperStruct00.var_1_13)) : 1) : 1) : 1 [L125] EXPR (((last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3) >= last_1_WrapperStruct00_var_1_14) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7)))))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))))))))) : (WrapperStruct00.var_1_1 == ((unsigned char) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3))) + (((((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7))))))) && (WrapperStruct00.var_1_16 ? ((WrapperStruct00.var_1_16 || WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_14 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_9 == ((double) WrapperStruct00.var_1_13)) : 1) : 1) : 1) [L125] EXPR ((((last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3) >= last_1_WrapperStruct00_var_1_14) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7)))))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))))))))) : (WrapperStruct00.var_1_1 == ((unsigned char) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3))) + (((((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7))))))) && (WrapperStruct00.var_1_16 ? ((WrapperStruct00.var_1_16 || WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_14 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_9 == ((double) WrapperStruct00.var_1_13)) : 1) : 1) : 1)) && (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_1) >= WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_6)) : 1) [L125] EXPR WrapperStruct00.var_1_8 [L125] EXPR WrapperStruct00.var_1_1 [L125] EXPR WrapperStruct00.var_1_7 [L125] EXPR ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_1) >= WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_6)) : 1 [L125] EXPR WrapperStruct00.var_1_14 [L125] EXPR WrapperStruct00.var_1_6 [L125] EXPR ((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_1) >= WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_6)) : 1 [L125] EXPR ((((last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3) >= last_1_WrapperStruct00_var_1_14) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7)))))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))))))))) : (WrapperStruct00.var_1_1 == ((unsigned char) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3))) + (((((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7))))))) && (WrapperStruct00.var_1_16 ? ((WrapperStruct00.var_1_16 || WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_14 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_9 == ((double) WrapperStruct00.var_1_13)) : 1) : 1) : 1)) && (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_1) >= WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_6)) : 1) [L125] EXPR (((((last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3) >= last_1_WrapperStruct00_var_1_14) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7)))))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))))))))) : (WrapperStruct00.var_1_1 == ((unsigned char) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3))) + (((((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7))))))) && (WrapperStruct00.var_1_16 ? ((WrapperStruct00.var_1_16 || WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_14 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_9 == ((double) WrapperStruct00.var_1_13)) : 1) : 1) : 1)) && (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_1) >= WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_6)) : 1)) && ((WrapperStruct00.var_1_12 || WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 >= (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : (WrapperStruct00.var_1_16 == ((unsigned char) 1))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17))) [L125] EXPR WrapperStruct00.var_1_12 [L125] EXPR WrapperStruct00.var_1_12 || WrapperStruct00.var_1_10 [L125] EXPR WrapperStruct00.var_1_10 [L125] EXPR WrapperStruct00.var_1_12 || WrapperStruct00.var_1_10 [L125] EXPR (WrapperStruct00.var_1_12 || WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 >= (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : (WrapperStruct00.var_1_16 == ((unsigned char) 1))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) [L125] EXPR WrapperStruct00.var_1_1 [L125] EXPR WrapperStruct00.var_1_8 [L125] EXPR WrapperStruct00.var_1_3 [L125] EXPR WrapperStruct00.var_1_8 << WrapperStruct00.var_1_3 [L125] EXPR (WrapperStruct00.var_1_1 >= (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : (WrapperStruct00.var_1_16 == ((unsigned char) 1))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18)) [L125] EXPR WrapperStruct00.var_1_16 [L125] EXPR WrapperStruct00.var_1_18 [L125] EXPR (WrapperStruct00.var_1_1 >= (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : (WrapperStruct00.var_1_16 == ((unsigned char) 1))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18)) [L125] EXPR (WrapperStruct00.var_1_12 || WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 >= (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : (WrapperStruct00.var_1_16 == ((unsigned char) 1))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) [L125] EXPR (((((last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3) >= last_1_WrapperStruct00_var_1_14) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7)))))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))))))))) : (WrapperStruct00.var_1_1 == ((unsigned char) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3))) + (((((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7))))))) && (WrapperStruct00.var_1_16 ? ((WrapperStruct00.var_1_16 || WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_14 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_9 == ((double) WrapperStruct00.var_1_13)) : 1) : 1) : 1)) && (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_1) >= WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_6)) : 1)) && ((WrapperStruct00.var_1_12 || WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 >= (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : (WrapperStruct00.var_1_16 == ((unsigned char) 1))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17))) [L125-L126] return (((((last_1_WrapperStruct00_var_1_14 >> WrapperStruct00.var_1_3) >= last_1_WrapperStruct00_var_1_14) ? (WrapperStruct00.var_1_1 == ((unsigned char) ((((WrapperStruct00.var_1_3) < ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7)))))) ? (WrapperStruct00.var_1_3) : ((WrapperStruct00.var_1_5 - ((((WrapperStruct00.var_1_6) > (WrapperStruct00.var_1_7)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_7))))))))) : (WrapperStruct00.var_1_1 == ((unsigned char) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_3))) + (((((WrapperStruct00.var_1_8 + 1)) < (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_8 + 1)) : (WrapperStruct00.var_1_7))))))) && (WrapperStruct00.var_1_16 ? ((WrapperStruct00.var_1_16 || WrapperStruct00.var_1_16) ? ((WrapperStruct00.var_1_14 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_9 == ((double) WrapperStruct00.var_1_13)) : 1) : 1) : 1)) && (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_1) >= WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_6)) : 1)) && ((WrapperStruct00.var_1_12 || WrapperStruct00.var_1_10) ? ((WrapperStruct00.var_1_1 >= (WrapperStruct00.var_1_8 << WrapperStruct00.var_1_3)) ? ((WrapperStruct00.var_1_6 > WrapperStruct00.var_1_7) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17)) : (WrapperStruct00.var_1_16 == ((unsigned char) 1))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_17))) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_14=64] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_14=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.8s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 7.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:12:08,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ --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 ddaccc1a0ddb0072edffeef8ad9576acf619c322d8f731037fda7dc2530a10f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:12:10,813 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:12:10,946 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:12:10,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:12:10,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:12:11,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:12:11,002 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:12:11,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:12:11,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:12:11,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:12:11,008 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:12:11,009 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:12:11,009 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:12:11,011 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:12:11,011 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:12:11,011 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:12:11,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:12:11,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:12:11,013 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:12:11,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:12:11,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:12:11,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:12:11,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:12:11,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:12:11,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:12:11,016 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:12:11,016 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:12:11,017 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:12:11,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:12:11,018 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:12:11,019 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:12:11,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:12:11,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:12:11,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:12:11,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:12:11,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:12:11,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:12:11,021 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:12:11,021 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:12:11,022 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:12:11,022 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:12:11,022 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:12:11,023 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddaccc1a0ddb0072edffeef8ad9576acf619c322d8f731037fda7dc2530a10f9 [2023-11-19 05:12:11,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:12:11,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:12:11,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:12:11,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:12:11,469 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:12:11,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i [2023-11-19 05:12:14,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:12:14,743 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:12:14,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i [2023-11-19 05:12:14,755 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/data/63b7cc1be/9e2cf36e73d440ef8c4fecdeacb71442/FLAG07c71bfab [2023-11-19 05:12:14,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/data/63b7cc1be/9e2cf36e73d440ef8c4fecdeacb71442 [2023-11-19 05:12:14,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:12:14,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:12:14,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:12:14,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:12:14,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:12:14,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:12:14" (1/1) ... [2023-11-19 05:12:14,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7291af1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:14, skipping insertion in model container [2023-11-19 05:12:14,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:12:14" (1/1) ... [2023-11-19 05:12:14,819 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:12:15,015 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i[916,929] [2023-11-19 05:12:15,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:12:15,131 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:12:15,144 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i[916,929] [2023-11-19 05:12:15,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:12:15,295 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:12:15,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15 WrapperNode [2023-11-19 05:12:15,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:12:15,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:12:15,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:12:15,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:12:15,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,399 INFO L138 Inliner]: procedures = 30, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 473 [2023-11-19 05:12:15,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:12:15,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:12:15,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:12:15,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:12:15,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,449 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,531 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:12:15,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:12:15,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:12:15,537 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:12:15,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (1/1) ... [2023-11-19 05:12:15,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:12:15,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:12:15,575 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:12:15,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:12:15,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:12:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 05:12:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 05:12:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:12:15,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:12:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 05:12:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:12:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:12:15,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:12:15,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:12:15,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:12:15,786 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:12:15,788 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:12:16,630 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:12:16,639 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:12:16,640 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:12:16,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:16 BoogieIcfgContainer [2023-11-19 05:12:16,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:12:16,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:12:16,648 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:12:16,651 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:12:16,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:12:14" (1/3) ... [2023-11-19 05:12:16,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abeb59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:16, skipping insertion in model container [2023-11-19 05:12:16,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:15" (2/3) ... [2023-11-19 05:12:16,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7abeb59f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:16, skipping insertion in model container [2023-11-19 05:12:16,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:16" (3/3) ... [2023-11-19 05:12:16,655 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-56.i [2023-11-19 05:12:16,675 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:12:16,676 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:12:16,741 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:12:16,749 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@488ed59a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:12:16,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:12:16,754 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 97 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:12:16,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 05:12:16,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:16,773 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:16,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:16,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:16,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1949357864, now seen corresponding path program 1 times [2023-11-19 05:12:16,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:16,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756841329] [2023-11-19 05:12:16,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:16,797 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:16,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:16,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:12:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:17,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:12:17,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:17,273 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-19 05:12:17,274 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:17,275 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:17,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756841329] [2023-11-19 05:12:17,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756841329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:17,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:17,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:12:17,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178023567] [2023-11-19 05:12:17,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:17,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:12:17,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:17,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:12:17,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:12:17,332 INFO L87 Difference]: Start difference. First operand has 118 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 97 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:12:17,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:17,401 INFO L93 Difference]: Finished difference Result 229 states and 363 transitions. [2023-11-19 05:12:17,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:12:17,403 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2023-11-19 05:12:17,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:17,416 INFO L225 Difference]: With dead ends: 229 [2023-11-19 05:12:17,416 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 05:12:17,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:12:17,426 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:17,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:12:17,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 05:12:17,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-11-19 05:12:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 93 states have (on average 1.3978494623655915) internal successors, (130), 93 states have internal predecessors, (130), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:12:17,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 168 transitions. [2023-11-19 05:12:17,505 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 168 transitions. Word has length 149 [2023-11-19 05:12:17,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:17,506 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 168 transitions. [2023-11-19 05:12:17,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:12:17,506 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 168 transitions. [2023-11-19 05:12:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 05:12:17,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:17,517 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:17,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:17,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:17,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:17,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:17,725 INFO L85 PathProgramCache]: Analyzing trace with hash 18217286, now seen corresponding path program 1 times [2023-11-19 05:12:17,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:17,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [773332528] [2023-11-19 05:12:17,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:17,728 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:17,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:17,730 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:17,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:12:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:18,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:12:18,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:18,067 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 280 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2023-11-19 05:12:18,067 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:18,067 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:18,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [773332528] [2023-11-19 05:12:18,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [773332528] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:18,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:18,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:12:18,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52039435] [2023-11-19 05:12:18,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:18,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:12:18,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:18,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:12:18,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:12:18,077 INFO L87 Difference]: Start difference. First operand 114 states and 168 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:12:18,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:18,168 INFO L93 Difference]: Finished difference Result 231 states and 342 transitions. [2023-11-19 05:12:18,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:12:18,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2023-11-19 05:12:18,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:18,171 INFO L225 Difference]: With dead ends: 231 [2023-11-19 05:12:18,171 INFO L226 Difference]: Without dead ends: 120 [2023-11-19 05:12:18,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:12:18,174 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 10 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:18,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 489 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:12:18,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-19 05:12:18,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 116. [2023-11-19 05:12:18,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 95 states have (on average 1.3894736842105264) internal successors, (132), 95 states have internal predecessors, (132), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:12:18,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 170 transitions. [2023-11-19 05:12:18,195 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 170 transitions. Word has length 149 [2023-11-19 05:12:18,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:18,196 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 170 transitions. [2023-11-19 05:12:18,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:12:18,197 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 170 transitions. [2023-11-19 05:12:18,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 05:12:18,200 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:18,200 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:18,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:18,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:18,406 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:18,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:18,407 INFO L85 PathProgramCache]: Analyzing trace with hash -183606648, now seen corresponding path program 1 times [2023-11-19 05:12:18,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:18,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1449409025] [2023-11-19 05:12:18,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:18,409 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:18,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:18,410 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:18,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:12:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:18,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-19 05:12:18,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:18,956 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 29 treesize of output 17 [2023-11-19 05:12:18,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 9 [2023-11-19 05:12:19,311 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 37 treesize of output 30 [2023-11-19 05:12:19,644 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:19,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 47 treesize of output 43 [2023-11-19 05:12:20,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:20,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 46 [2023-11-19 05:12:20,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:20,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 46 [2023-11-19 05:12:20,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:20,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 56 [2023-11-19 05:12:21,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:21,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 59 [2023-11-19 05:12:21,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:21,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 79 [2023-11-19 05:12:24,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:24,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 92 treesize of output 85 [2023-11-19 05:12:24,844 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:24,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 87 treesize of output 95 [2023-11-19 05:12:26,306 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:26,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 101 treesize of output 112 [2023-11-19 05:12:26,565 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:26,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 118 treesize of output 126 [2023-11-19 05:12:26,968 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:26,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 135 treesize of output 149 [2023-11-19 05:12:27,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:27,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 145 treesize of output 65 [2023-11-19 05:12:28,232 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 478 proven. 102 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-19 05:12:28,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:12:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-19 05:12:28,822 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:28,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1449409025] [2023-11-19 05:12:28,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1449409025] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-19 05:12:28,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:12:28,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [27] total 33 [2023-11-19 05:12:28,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992419441] [2023-11-19 05:12:28,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:28,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 05:12:28,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:28,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 05:12:28,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=924, Unknown=1, NotChecked=0, Total=1056 [2023-11-19 05:12:28,826 INFO L87 Difference]: Start difference. First operand 116 states and 170 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 05:12:30,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:30,197 INFO L93 Difference]: Finished difference Result 330 states and 489 transitions. [2023-11-19 05:12:30,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 05:12:30,203 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2023-11-19 05:12:30,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:30,206 INFO L225 Difference]: With dead ends: 330 [2023-11-19 05:12:30,206 INFO L226 Difference]: Without dead ends: 217 [2023-11-19 05:12:30,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=173, Invalid=1308, Unknown=1, NotChecked=0, Total=1482 [2023-11-19 05:12:30,209 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 244 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 956 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:30,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 956 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 05:12:30,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2023-11-19 05:12:30,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 136. [2023-11-19 05:12:30,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 115 states have (on average 1.4260869565217391) internal successors, (164), 115 states have internal predecessors, (164), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:12:30,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 202 transitions. [2023-11-19 05:12:30,230 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 202 transitions. Word has length 149 [2023-11-19 05:12:30,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:30,231 INFO L495 AbstractCegarLoop]: Abstraction has 136 states and 202 transitions. [2023-11-19 05:12:30,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-19 05:12:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 202 transitions. [2023-11-19 05:12:30,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 05:12:30,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:30,234 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:30,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:30,441 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:30,441 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:30,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:30,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1267112444, now seen corresponding path program 1 times [2023-11-19 05:12:30,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:30,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407808315] [2023-11-19 05:12:30,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:30,443 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:30,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:30,445 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:30,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87215157-83d8-49d5-80b7-bc5710458ce7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:12:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:30,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 05:12:30,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:30,991 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 29 treesize of output 17 [2023-11-19 05:12:30,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 17 treesize of output 9 [2023-11-19 05:12:31,029 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 14 treesize of output 10 [2023-11-19 05:12:31,135 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 30 treesize of output 14 [2023-11-19 05:12:31,223 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 30 treesize of output 14 [2023-11-19 05:12:31,313 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 30 treesize of output 14 [2023-11-19 05:12:31,400 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 25 treesize of output 24 [2023-11-19 05:12:31,579 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:31,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 40 treesize of output 27 [2023-11-19 05:12:31,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:31,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 41 treesize of output 47 [2023-11-19 05:12:34,005 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:34,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 63 [2023-11-19 05:12:34,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:34,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 70 treesize of output 66 [2023-11-19 05:12:35,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:35,229 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 82 treesize of output 85 [2023-11-19 05:12:35,329 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:35,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 88 treesize of output 105 [2023-11-19 05:12:35,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:35,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 105 treesize of output 119 [2023-11-19 05:12:35,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:35,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 111 treesize of output 45 [2023-11-19 05:12:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 520 proven. 0 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-19 05:12:36,054 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:36,054 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:36,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407808315] [2023-11-19 05:12:36,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407808315] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:36,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:36,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-11-19 05:12:36,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786144410] [2023-11-19 05:12:36,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:36,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 05:12:36,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:36,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 05:12:36,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=120, Unknown=1, NotChecked=0, Total=182 [2023-11-19 05:12:36,058 INFO L87 Difference]: Start difference. First operand 136 states and 202 transitions. Second operand has 14 states, 14 states have (on average 5.0) internal successors, (70), 13 states have internal predecessors, (70), 5 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19)