./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.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_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 742f62ff84f22bccca510ba2fb19e3898eba0b612c7ec1ceea7f75329541d889 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:20,322 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:20,398 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:06:20,405 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:20,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:20,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:20,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:20,435 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:20,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:20,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:20,437 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:20,438 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:20,439 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:20,439 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:20,440 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:20,441 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:20,442 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:20,442 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:20,443 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:20,444 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:20,445 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:20,446 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:20,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:20,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:20,448 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:20,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:20,449 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:20,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:20,451 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:20,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:20,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:20,453 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:20,453 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:20,454 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:20,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:20,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:20,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:20,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:20,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:20,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:20,458 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:20,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:20,459 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:20,459 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:20,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:20,460 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_95c3fbf9-2ae7-4668-b489-d248623aa64d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 742f62ff84f22bccca510ba2fb19e3898eba0b612c7ec1ceea7f75329541d889 [2023-11-19 05:06:20,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:20,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:20,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:20,792 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:20,793 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:20,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i [2023-11-19 05:06:24,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:24,237 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:24,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i [2023-11-19 05:06:24,247 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/data/b5cadc97b/f2e9880c912349e59b48bf22556a1511/FLAG7da6c68f0 [2023-11-19 05:06:24,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/data/b5cadc97b/f2e9880c912349e59b48bf22556a1511 [2023-11-19 05:06:24,264 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:24,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:24,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:24,267 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:24,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:24,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e017ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24, skipping insertion in model container [2023-11-19 05:06:24,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,306 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:24,452 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_95c3fbf9-2ae7-4668-b489-d248623aa64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i[916,929] [2023-11-19 05:06:24,547 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:24,571 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:24,590 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_95c3fbf9-2ae7-4668-b489-d248623aa64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i[916,929] [2023-11-19 05:06:24,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:24,695 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:24,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24 WrapperNode [2023-11-19 05:06:24,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:24,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:24,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:24,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:24,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,776 INFO L138 Inliner]: procedures = 29, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 512 [2023-11-19 05:06:24,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:24,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:24,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:24,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:24,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,871 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,883 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:24,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:24,893 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:24,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:24,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (1/1) ... [2023-11-19 05:06:24,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:24,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:24,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:24,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:24,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:06:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:06:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:06:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:06:24,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:06:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:06:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:06:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:06:24,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:24,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:25,150 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:25,153 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:25,900 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:27,123 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:27,123 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:06:27,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:27 BoogieIcfgContainer [2023-11-19 05:06:27,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:27,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:27,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:27,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:27,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:24" (1/3) ... [2023-11-19 05:06:27,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5aef26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:27, skipping insertion in model container [2023-11-19 05:06:27,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:24" (2/3) ... [2023-11-19 05:06:27,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f5aef26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:27, skipping insertion in model container [2023-11-19 05:06:27,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:27" (3/3) ... [2023-11-19 05:06:27,146 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-91.i [2023-11-19 05:06:27,166 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:27,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:06:27,228 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:06:27,236 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;@7974b0a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:06:27,236 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:06:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:06:27,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 05:06:27,254 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:27,255 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:27,256 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:27,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:27,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1398743201, now seen corresponding path program 1 times [2023-11-19 05:06:27,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:27,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765031329] [2023-11-19 05:06:27,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:27,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:27,559 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:06:27,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604044561] [2023-11-19 05:06:27,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:27,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:06:27,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:27,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:06:27,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:06:28,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:06:28,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:06:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:06:34,485 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:06:34,489 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:06:34,490 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:06:34,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:06:34,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:06:34,710 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:06:34,718 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:06:34,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:06:34,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-19 05:06:34,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-19 05:06:34,764 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 05:06:34,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 05:06:34,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:06:34,765 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:06:34,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:06:34,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-19 05:06:34,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 05:06:34,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:06:34,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 05:06:34,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-19 05:06:34,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-19 05:06:34,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-19 05:06:34,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:06:34,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:06:34,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 05:06:34,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:06:34,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:06:34,769 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-19 05:06:34,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:06:34,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 05:06:34,770 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 05:06:34,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:06:34,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-19 05:06:34,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated [2023-11-19 05:06:34,771 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-19 05:06:34,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 05:06:34,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-19 05:06:34,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-19 05:06:34,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:06:34,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-19 05:06:34,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-19 05:06:34,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:06:34,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 05:06:34,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 05:06:34,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-19 05:06:34,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated [2023-11-19 05:06:34,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:06:34,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-19 05:06:34,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-19 05:06:34,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 05:06:34,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 05:06:34,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 05:06:34,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 05:06:34,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 05:06:34,779 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 05:06:34,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 05:06:34,780 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 05:06:34,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-19 05:06:34,781 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-19 05:06:34,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 05:06:34,782 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 05:06:34,783 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-19 05:06:34,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated [2023-11-19 05:06:34,784 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-19 05:06:34,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated [2023-11-19 05:06:34,785 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 05:06:34,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 05:06:34,786 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-19 05:06:34,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated [2023-11-19 05:06:34,787 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-19 05:06:34,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated [2023-11-19 05:06:34,788 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-19 05:06:34,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated [2023-11-19 05:06:34,789 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-19 05:06:34,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated [2023-11-19 05:06:34,790 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-19 05:06:34,791 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated [2023-11-19 05:06:34,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:06:34 BoogieIcfgContainer [2023-11-19 05:06:34,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:06:34,812 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:06:34,812 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:06:34,812 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:06:34,813 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:27" (3/4) ... [2023-11-19 05:06:34,815 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:06:34,816 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:06:34,818 INFO L158 Benchmark]: Toolchain (without parser) took 10552.11ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 83.7MB in the beginning and 71.5MB in the end (delta: 12.2MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2023-11-19 05:06:34,818 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:06:34,819 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.33ms. Allocated memory is still 121.6MB. Free memory was 83.3MB in the beginning and 67.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:06:34,821 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.45ms. Allocated memory is still 121.6MB. Free memory was 67.7MB in the beginning and 63.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:06:34,824 INFO L158 Benchmark]: Boogie Preprocessor took 115.49ms. Allocated memory is still 121.6MB. Free memory was 63.6MB in the beginning and 60.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:06:34,826 INFO L158 Benchmark]: RCFGBuilder took 2236.92ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 60.0MB in the beginning and 84.0MB in the end (delta: -24.1MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. [2023-11-19 05:06:34,828 INFO L158 Benchmark]: TraceAbstraction took 7676.63ms. Allocated memory is still 180.4MB. Free memory was 83.0MB in the beginning and 71.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-19 05:06:34,829 INFO L158 Benchmark]: Witness Printer took 4.86ms. Allocated memory is still 180.4MB. Free memory is still 71.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:06:34,834 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 121.6MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.33ms. Allocated memory is still 121.6MB. Free memory was 83.3MB in the beginning and 67.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.45ms. Allocated memory is still 121.6MB. Free memory was 67.7MB in the beginning and 63.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 115.49ms. Allocated memory is still 121.6MB. Free memory was 63.6MB in the beginning and 60.0MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2236.92ms. Allocated memory was 121.6MB in the beginning and 180.4MB in the end (delta: 58.7MB). Free memory was 60.0MB in the beginning and 84.0MB in the end (delta: -24.1MB). Peak memory consumption was 48.1MB. Max. memory is 16.1GB. * TraceAbstraction took 7676.63ms. Allocated memory is still 180.4MB. Free memory was 83.0MB in the beginning and 71.5MB in the end (delta: 11.5MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 4.86ms. Allocated memory is still 180.4MB. Free memory is still 71.5MB. 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~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 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~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 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~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 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~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem90 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem95 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem99 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 someBinaryFLOATComparisonOperation at line 34, overapproximation of someBinaryDOUBLEComparisonOperation at line 52, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] float float_Array_0[3] = { -0.25, 8.4, 49.25 }; [L25-L27] signed short int signed_short_int_Array_0[5] = { 100, -4, 128, 10, 1 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2][3] = { {64, 10, 64}, {16, 64, 100000000} }; [L99] isInitial = 1 [L100] FCALL initially() [L101] COND TRUE 1 [L102] FCALL updateLastVariables() [L103] CALL updateVariables() [L64] float_Array_0[0] = __VERIFIER_nondet_float() [L65] EXPR float_Array_0[0] [L65] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L65] EXPR float_Array_0[0] [L65] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L65] EXPR (float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L65] CALL assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 9223372.036854776000e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L66] float_Array_0[1] = __VERIFIER_nondet_float() [L67] EXPR float_Array_0[1] [L67] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L67] EXPR float_Array_0[1] [L67] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L67] EXPR (float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L67] CALL assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not((float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L68] float_Array_0[2] = __VERIFIER_nondet_float() [L69] EXPR float_Array_0[2] [L69] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F [L69] EXPR float_Array_0[2] [L69] EXPR float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F [L69] EXPR (float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L69] CALL assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not((float_Array_0[2] >= -922337.2036854776000e+13F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L70] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L71] EXPR signed_short_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L71] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= -32767) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(signed_short_int_Array_0[1] >= -32767) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L72] EXPR signed_short_int_Array_0[1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L72] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 32766) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L73] signed_short_int_Array_0[2] = __VERIFIER_nondet_short() [L74] EXPR signed_short_int_Array_0[2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L74] CALL assume_abort_if_not(signed_short_int_Array_0[2] >= -1) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(signed_short_int_Array_0[2] >= -1) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L75] EXPR signed_short_int_Array_0[2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L75] CALL assume_abort_if_not(signed_short_int_Array_0[2] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(signed_short_int_Array_0[2] <= 32766) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L76] signed_short_int_Array_0[3] = __VERIFIER_nondet_short() [L77] EXPR signed_short_int_Array_0[3] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L77] CALL assume_abort_if_not(signed_short_int_Array_0[3] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_short_int_Array_0[3] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L78] EXPR signed_short_int_Array_0[3] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L78] CALL assume_abort_if_not(signed_short_int_Array_0[3] <= 32766) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(signed_short_int_Array_0[3] <= 32766) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L79] unsigned_long_int_Array_0[1][0] = __VERIFIER_nondet_ulong() [L80] EXPR unsigned_long_int_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L80] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L81] EXPR unsigned_long_int_Array_0[1][0] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L81] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(unsigned_long_int_Array_0[1][0] <= 4294967294) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L82] unsigned_long_int_Array_0[0][1] = __VERIFIER_nondet_ulong() [L83] EXPR unsigned_long_int_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L83] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L84] EXPR unsigned_long_int_Array_0[0][1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L84] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(unsigned_long_int_Array_0[0][1] <= 4294967294) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L85] unsigned_long_int_Array_0[1][1] = __VERIFIER_nondet_ulong() [L86] EXPR unsigned_long_int_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L86] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L87] EXPR unsigned_long_int_Array_0[1][1] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L87] CALL assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(unsigned_long_int_Array_0[1][1] <= 4294967294) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L88] unsigned_long_int_Array_0[0][2] = __VERIFIER_nondet_ulong() [L89] EXPR unsigned_long_int_Array_0[0][2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L89] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][2] >= 0) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(unsigned_long_int_Array_0[0][2] >= 0) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L90] EXPR unsigned_long_int_Array_0[0][2] VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L90] CALL assume_abort_if_not(unsigned_long_int_Array_0[0][2] <= 4294967294) VAL [\old(cond)=1, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(unsigned_long_int_Array_0[0][2] <= 4294967294) VAL [float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L103] RET updateVariables() [L104] CALL step() [L34] EXPR float_Array_0[2] [L34] COND FALSE !(float_Array_0[2] >= 50.4f) [L37] EXPR unsigned_long_int_Array_0[0][2] [L37] EXPR unsigned_long_int_Array_0[1][2] [L37] EXPR unsigned_long_int_Array_0[1][1] [L37] COND TRUE unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1]) [L38] EXPR float_Array_0[2] [L38] EXPR float_Array_0[1] [L38] EXPR float_Array_0[0] [L38] COND FALSE !(float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) [L41] signed_short_int_Array_0[4] = 32 [L46] EXPR unsigned_long_int_Array_0[1][1] [L46] EXPR unsigned_long_int_Array_0[0][2] [L46] COND TRUE ! (unsigned_long_int_Array_0[1][1] < unsigned_long_int_Array_0[0][2]) [L47] EXPR unsigned_long_int_Array_0[0][2] [L47] EXPR unsigned_long_int_Array_0[1][1] [L47] EXPR ((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]) [L47] EXPR unsigned_long_int_Array_0[0][2] [L47] EXPR ((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]) [L47] EXPR unsigned_long_int_Array_0[1][0] [L47] EXPR unsigned_long_int_Array_0[0][1] [L47] EXPR ((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]) [L47] EXPR unsigned_long_int_Array_0[0][1] [L47] EXPR ((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]) [L47] EXPR ((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))) [L47] EXPR unsigned_long_int_Array_0[1][0] [L47] EXPR unsigned_long_int_Array_0[0][1] [L47] EXPR ((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]) [L47] EXPR unsigned_long_int_Array_0[0][1] [L47] EXPR ((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]) [L47] EXPR ((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))) [L47] unsigned_long_int_Array_0[0][0] = ((((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))))) [L51] EXPR unsigned_long_int_Array_0[1][0] [L51] EXPR unsigned_long_int_Array_0[0][0] [L51] COND FALSE !(unsigned_long_int_Array_0[1][0] > unsigned_long_int_Array_0[0][0]) [L60] EXPR signed_short_int_Array_0[3] [L60] signed_short_int_Array_0[0] = signed_short_int_Array_0[3] [L104] RET step() [L105] CALL, EXPR property() [L95] EXPR float_Array_0[2] [L95] EXPR (float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1 [L95] EXPR ((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1]))) [L95] EXPR unsigned_long_int_Array_0[0][2] [L95] EXPR unsigned_long_int_Array_0[1][2] [L95] EXPR unsigned_long_int_Array_0[1][1] [L95] EXPR (unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) [L95] EXPR float_Array_0[2] [L95] EXPR float_Array_0[1] [L95] EXPR float_Array_0[0] [L95] EXPR (float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32)) [L95] EXPR signed_short_int_Array_0[4] [L95] EXPR signed_short_int_Array_0[1] [L95] EXPR (float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32)) [L95] EXPR (unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) [L95] EXPR ((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1]))) [L95] EXPR (((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])))) && ((! (unsigned_long_int_Array_0[1][1] < unsigned_long_int_Array_0[0][2])) ? (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))))))) : (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0])))))) [L95] EXPR ((((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])))) && ((! (unsigned_long_int_Array_0[1][1] < unsigned_long_int_Array_0[0][2])) ? (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))))))) : (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]))))))) && ((unsigned_long_int_Array_0[1][0] > unsigned_long_int_Array_0[0][0]) ? ((63.1 >= float_Array_0[0]) ? ((float_Array_0[0] >= float_Array_0[2]) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_short_int_Array_0[2] - signed_short_int_Array_0[3]))) : (signed_short_int_Array_0[0] == ((signed short int) signed_short_int_Array_0[2]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) signed_short_int_Array_0[3]))) [L95-L96] return ((((float_Array_0[2] >= 50.4f) ? (unsigned_long_int_Array_0[1][2] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][2]) > (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1]))))) : 1) && ((unsigned_long_int_Array_0[0][2] == (unsigned_long_int_Array_0[1][2] * unsigned_long_int_Array_0[1][1])) ? ((float_Array_0[2] >= (float_Array_0[1] + float_Array_0[0])) ? (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])) : (signed_short_int_Array_0[4] == ((signed short int) 32))) : (signed_short_int_Array_0[4] == ((signed short int) signed_short_int_Array_0[1])))) && ((! (unsigned_long_int_Array_0[1][1] < unsigned_long_int_Array_0[0][2])) ? (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) < (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1]))))) ? (((((unsigned_long_int_Array_0[0][2]) < (unsigned_long_int_Array_0[1][1])) ? (unsigned_long_int_Array_0[0][2]) : (unsigned_long_int_Array_0[1][1])))) : (((((unsigned_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0][1])) ? (unsigned_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0][1])))))))) : (unsigned_long_int_Array_0[0][0] == ((unsigned long int) ((((unsigned_long_int_Array_0[0][1]) > (unsigned_long_int_Array_0[1][0])) ? (unsigned_long_int_Array_0[0][1]) : (unsigned_long_int_Array_0[1][0]))))))) && ((unsigned_long_int_Array_0[1][0] > unsigned_long_int_Array_0[0][0]) ? ((63.1 >= float_Array_0[0]) ? ((float_Array_0[0] >= float_Array_0[2]) ? (signed_short_int_Array_0[0] == ((signed short int) (signed_short_int_Array_0[2] - signed_short_int_Array_0[3]))) : (signed_short_int_Array_0[0] == ((signed short int) signed_short_int_Array_0[2]))) : 1) : (signed_short_int_Array_0[0] == ((signed short int) signed_short_int_Array_0[3]))) ; [L105] RET, EXPR property() [L105] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, float_Array_0={4:0}, isInitial=1, signed_short_int_Array_0={5:0}, unsigned_long_int_Array_0={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.5s, OverallIterations: 1, TraceHistogramMax: 17, 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=43occurred 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: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 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 05:06:34,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 742f62ff84f22bccca510ba2fb19e3898eba0b612c7ec1ceea7f75329541d889 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:37,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:37,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:06:37,734 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:37,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:37,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:37,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:37,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:37,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:37,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:37,794 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:37,794 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:37,795 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:37,797 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:37,797 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:37,798 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:37,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:37,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:37,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:37,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:37,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:37,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:37,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:37,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:37,803 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:06:37,804 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:06:37,804 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:06:37,805 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:37,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:37,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:37,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:37,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:06:37,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:37,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:37,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:37,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:37,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:37,809 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:06:37,809 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:06:37,810 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:37,811 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:37,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:37,811 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_95c3fbf9-2ae7-4668-b489-d248623aa64d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 742f62ff84f22bccca510ba2fb19e3898eba0b612c7ec1ceea7f75329541d889 [2023-11-19 05:06:38,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:38,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:38,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:38,280 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:38,280 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:38,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i [2023-11-19 05:06:41,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:42,036 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:42,038 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i [2023-11-19 05:06:42,049 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/data/dabe9eb46/92665dd0e5b44a9e8a99e64fa5378de7/FLAGb981f690d [2023-11-19 05:06:42,069 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/data/dabe9eb46/92665dd0e5b44a9e8a99e64fa5378de7 [2023-11-19 05:06:42,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:42,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:42,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:42,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:42,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:42,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad00a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42, skipping insertion in model container [2023-11-19 05:06:42,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:42,337 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_95c3fbf9-2ae7-4668-b489-d248623aa64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i[916,929] [2023-11-19 05:06:42,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:42,491 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:42,504 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_95c3fbf9-2ae7-4668-b489-d248623aa64d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-91.i[916,929] [2023-11-19 05:06:42,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:42,589 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:42,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42 WrapperNode [2023-11-19 05:06:42,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:42,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:42,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:42,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:42,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,662 INFO L138 Inliner]: procedures = 36, calls = 189, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 509 [2023-11-19 05:06:42,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:42,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:42,663 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:42,666 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:42,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,757 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,783 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:42,808 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:42,808 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:42,808 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:42,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (1/1) ... [2023-11-19 05:06:42,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:42,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:42,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:42,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 05:06:42,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:06:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:06:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:06:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:06:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 05:06:42,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:06:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:06:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:06:42,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:06:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:42,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 05:06:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:06:43,013 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:43,015 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:44,446 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:44,461 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:44,462 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:06:44,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:44 BoogieIcfgContainer [2023-11-19 05:06:44,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:44,474 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:44,474 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:44,477 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:44,478 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:42" (1/3) ... [2023-11-19 05:06:44,479 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ffb535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:44, skipping insertion in model container [2023-11-19 05:06:44,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:42" (2/3) ... [2023-11-19 05:06:44,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ffb535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:44, skipping insertion in model container [2023-11-19 05:06:44,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:44" (3/3) ... [2023-11-19 05:06:44,485 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-91.i [2023-11-19 05:06:44,505 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:44,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:06:44,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:06:44,597 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;@63bc5025, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:06:44,597 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:06:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:06:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-19 05:06:44,632 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:44,633 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:44,634 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:44,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:44,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1430690379, now seen corresponding path program 1 times [2023-11-19 05:06:44,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:06:44,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795969004] [2023-11-19 05:06:44,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:44,658 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 05:06:44,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:06:44,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:44,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:45,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:06:45,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:45,226 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-19 05:06:45,226 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:06:45,227 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:06:45,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795969004] [2023-11-19 05:06:45,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795969004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:45,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:45,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:06:45,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497107018] [2023-11-19 05:06:45,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:45,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:06:45,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:06:45,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:06:45,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:06:45,293 INFO L87 Difference]: Start difference. First operand has 125 states, 105 states have (on average 1.4285714285714286) internal successors, (150), 106 states have internal predecessors, (150), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:06:45,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:45,350 INFO L93 Difference]: Finished difference Result 243 states and 379 transitions. [2023-11-19 05:06:45,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:06:45,353 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2023-11-19 05:06:45,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:45,364 INFO L225 Difference]: With dead ends: 243 [2023-11-19 05:06:45,365 INFO L226 Difference]: Without dead ends: 121 [2023-11-19 05:06:45,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 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 05:06:45,373 INFO L413 NwaCegarLoop]: 177 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, 177 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 05:06:45,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:06:45,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-19 05:06:45,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2023-11-19 05:06:45,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 102 states have (on average 1.4019607843137254) internal successors, (143), 102 states have internal predecessors, (143), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:06:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 177 transitions. [2023-11-19 05:06:45,441 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 177 transitions. Word has length 138 [2023-11-19 05:06:45,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:45,442 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 177 transitions. [2023-11-19 05:06:45,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:06:45,443 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 177 transitions. [2023-11-19 05:06:45,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-19 05:06:45,447 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:45,448 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:45,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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)] Ended with exit code 0 [2023-11-19 05:06:45,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:45,655 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:45,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:45,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1147655401, now seen corresponding path program 1 times [2023-11-19 05:06:45,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:06:45,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [867658030] [2023-11-19 05:06:45,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:45,659 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 05:06:45,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:06:45,660 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:45,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:46,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:06:46,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:46,121 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 05:06:46,122 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:06:46,122 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:06:46,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [867658030] [2023-11-19 05:06:46,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [867658030] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:46,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:46,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:06:46,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034844037] [2023-11-19 05:06:46,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:46,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:06:46,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:06:46,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:06:46,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:06:46,127 INFO L87 Difference]: Start difference. First operand 121 states and 177 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 05:06:46,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:46,220 INFO L93 Difference]: Finished difference Result 269 states and 396 transitions. [2023-11-19 05:06:46,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:06:46,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 138 [2023-11-19 05:06:46,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:46,226 INFO L225 Difference]: With dead ends: 269 [2023-11-19 05:06:46,228 INFO L226 Difference]: Without dead ends: 151 [2023-11-19 05:06:46,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 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 05:06:46,234 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 54 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:46,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 510 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:06:46,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-19 05:06:46,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 123. [2023-11-19 05:06:46,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 104 states have internal predecessors, (145), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:06:46,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 179 transitions. [2023-11-19 05:06:46,255 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 179 transitions. Word has length 138 [2023-11-19 05:06:46,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:46,257 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 179 transitions. [2023-11-19 05:06:46,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 05:06:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2023-11-19 05:06:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-19 05:06:46,265 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:46,265 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:46,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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)] Ended with exit code 0 [2023-11-19 05:06:46,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:46,473 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:46,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:46,474 INFO L85 PathProgramCache]: Analyzing trace with hash -530064823, now seen corresponding path program 1 times [2023-11-19 05:06:46,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:06:46,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1141072301] [2023-11-19 05:06:46,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:46,475 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 05:06:46,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:06:46,476 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:46,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:46,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 05:06:46,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:47,287 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 19 treesize of output 1 [2023-11-19 05:06:47,387 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 05:06:47,633 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 05:06:47,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-11-19 05:06:48,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-11-19 05:06:48,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-11-19 05:06:48,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 22 [2023-11-19 05:06:49,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:06:49,122 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 42 treesize of output 47 [2023-11-19 05:06:49,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 35 [2023-11-19 05:06:49,441 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:06:49,442 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 57 treesize of output 59 [2023-11-19 05:06:49,722 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:06:49,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 101 treesize of output 43 [2023-11-19 05:06:49,807 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2023-11-19 05:06:49,808 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:06:49,808 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:06:49,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1141072301] [2023-11-19 05:06:49,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1141072301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:49,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:49,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-19 05:06:49,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876305592] [2023-11-19 05:06:49,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:49,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-19 05:06:49,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:06:49,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-19 05:06:49,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:06:49,811 INFO L87 Difference]: Start difference. First operand 123 states and 179 transitions. Second operand has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 05:06:55,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:55,499 INFO L93 Difference]: Finished difference Result 404 states and 582 transitions. [2023-11-19 05:06:55,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 05:06:55,502 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 140 [2023-11-19 05:06:55,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:55,506 INFO L225 Difference]: With dead ends: 404 [2023-11-19 05:06:55,507 INFO L226 Difference]: Without dead ends: 284 [2023-11-19 05:06:55,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=151, Invalid=311, Unknown=0, NotChecked=0, Total=462 [2023-11-19 05:06:55,509 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 690 mSDsluCounter, 464 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 690 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:55,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [690 Valid, 573 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2023-11-19 05:06:55,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2023-11-19 05:06:55,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 160. [2023-11-19 05:06:55,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 139 states have (on average 1.39568345323741) internal successors, (194), 139 states have internal predecessors, (194), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 05:06:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 228 transitions. [2023-11-19 05:06:55,539 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 228 transitions. Word has length 140 [2023-11-19 05:06:55,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:55,540 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 228 transitions. [2023-11-19 05:06:55,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.818181818181818) internal successors, (64), 10 states have internal predecessors, (64), 3 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2023-11-19 05:06:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 228 transitions. [2023-11-19 05:06:55,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-19 05:06:55,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:55,543 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:06:55,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:55,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:55,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:55,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:55,752 INFO L85 PathProgramCache]: Analyzing trace with hash 104451762, now seen corresponding path program 1 times [2023-11-19 05:06:55,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:06:55,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618226490] [2023-11-19 05:06:55,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:55,753 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 05:06:55,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:06:55,754 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:55,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:06:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:56,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 05:06:56,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:56,662 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 19 treesize of output 1 [2023-11-19 05:06:57,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-11-19 05:06:57,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-11-19 05:06:58,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-11-19 05:06:58,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-11-19 05:06:59,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-11-19 05:06:59,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-11-19 05:07:00,213 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-11-19 05:07:00,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-11-19 05:07:00,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-11-19 05:07:01,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 54 [2023-11-19 05:07:01,104 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 34 [2023-11-19 05:07:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-19 05:07:01,183 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:01,184 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:01,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618226490] [2023-11-19 05:07:01,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618226490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:01,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:01,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 05:07:01,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448631358] [2023-11-19 05:07:01,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:01,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:07:01,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:01,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:07:01,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:07:01,187 INFO L87 Difference]: Start difference. First operand 160 states and 228 transitions. Second operand has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:07:07,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:07,442 INFO L93 Difference]: Finished difference Result 467 states and 667 transitions. [2023-11-19 05:07:07,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 05:07:07,443 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2023-11-19 05:07:07,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:07,447 INFO L225 Difference]: With dead ends: 467 [2023-11-19 05:07:07,447 INFO L226 Difference]: Without dead ends: 310 [2023-11-19 05:07:07,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:07:07,449 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 486 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 975 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 1004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:07,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 426 Invalid, 1004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 975 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-11-19 05:07:07,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-11-19 05:07:07,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 303. [2023-11-19 05:07:07,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 262 states have (on average 1.3893129770992367) internal successors, (364), 263 states have internal predecessors, (364), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 05:07:07,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 432 transitions. [2023-11-19 05:07:07,496 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 432 transitions. Word has length 140 [2023-11-19 05:07:07,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:07,497 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 432 transitions. [2023-11-19 05:07:07,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 9 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:07:07,497 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 432 transitions. [2023-11-19 05:07:07,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-19 05:07:07,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:07,501 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:07,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:07:07,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:07:07,709 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:07,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:07,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1617550924, now seen corresponding path program 1 times [2023-11-19 05:07:07,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:07,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [789397518] [2023-11-19 05:07:07,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:07,711 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 05:07:07,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:07,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:07:07,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 (6)] Waiting until timeout for monitored process [2023-11-19 05:07:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:08,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:07:08,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:08,030 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-19 05:07:08,030 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:08,031 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:08,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [789397518] [2023-11-19 05:07:08,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [789397518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:08,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:08,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:07:08,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306573714] [2023-11-19 05:07:08,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:08,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:07:08,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:08,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:07:08,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:07:08,034 INFO L87 Difference]: Start difference. First operand 303 states and 432 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:07:08,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:07:08,106 INFO L93 Difference]: Finished difference Result 607 states and 867 transitions. [2023-11-19 05:07:08,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:07:08,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2023-11-19 05:07:08,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:07:08,111 INFO L225 Difference]: With dead ends: 607 [2023-11-19 05:07:08,111 INFO L226 Difference]: Without dead ends: 307 [2023-11-19 05:07:08,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 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 05:07:08,113 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 7 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:07:08,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 524 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:07:08,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-11-19 05:07:08,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 303. [2023-11-19 05:07:08,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 262 states have (on average 1.3854961832061068) internal successors, (363), 263 states have internal predecessors, (363), 34 states have call successors, (34), 6 states have call predecessors, (34), 6 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 05:07:08,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 431 transitions. [2023-11-19 05:07:08,153 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 431 transitions. Word has length 140 [2023-11-19 05:07:08,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:07:08,154 INFO L495 AbstractCegarLoop]: Abstraction has 303 states and 431 transitions. [2023-11-19 05:07:08,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 05:07:08,154 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 431 transitions. [2023-11-19 05:07:08,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-19 05:07:08,157 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:07:08,157 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:07:08,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 (6)] Ended with exit code 0 [2023-11-19 05:07:08,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:07:08,364 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:07:08,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:07:08,365 INFO L85 PathProgramCache]: Analyzing trace with hash -839067348, now seen corresponding path program 1 times [2023-11-19 05:07:08,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:07:08,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2118312975] [2023-11-19 05:07:08,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:07:08,369 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 05:07:08,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:07:08,371 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 05:07:08,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95c3fbf9-2ae7-4668-b489-d248623aa64d/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 (7)] Waiting until timeout for monitored process [2023-11-19 05:07:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:07:08,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 05:07:08,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:09,447 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 8 treesize of output 1 [2023-11-19 05:07:09,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-19 05:07:10,191 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:07:10,191 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 39 treesize of output 33 [2023-11-19 05:07:10,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 23 [2023-11-19 05:07:10,694 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:07:10,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 51 treesize of output 15 [2023-11-19 05:07:10,888 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 05:07:10,888 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:07:10,889 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:07:10,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2118312975] [2023-11-19 05:07:10,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2118312975] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:07:10,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:07:10,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:07:10,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822543470] [2023-11-19 05:07:10,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:07:10,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:07:10,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:07:10,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:07:10,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:07:10,892 INFO L87 Difference]: Start difference. First operand 303 states and 431 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 05:07:14,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []