./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:09,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:09,199 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:25:09,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:09,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:09,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:09,264 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:09,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:09,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:09,266 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:09,267 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:09,267 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:09,268 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:09,269 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:25:09,269 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:09,270 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:09,270 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:25:09,271 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:25:09,272 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:09,272 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:25:09,273 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:25:09,274 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:25:09,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:09,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:09,275 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:25:09,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:25:09,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:25:09,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:09,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:09,278 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:09,278 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:09,279 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:25:09,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:09,279 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:09,280 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:09,280 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:09,281 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:09,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:09,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:09,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:09,291 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:25:09,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:25:09,291 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:09,291 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:09,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:09,292 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_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 [2023-11-19 05:25:09,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:09,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:09,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:09,670 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:09,671 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:09,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2023-11-19 05:25:12,990 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:13,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:13,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2023-11-19 05:25:13,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/data/a196a1e44/422b154e116441369cf3405b5fac9965/FLAGaf716eb10 [2023-11-19 05:25:13,334 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/data/a196a1e44/422b154e116441369cf3405b5fac9965 [2023-11-19 05:25:13,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:13,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:13,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:13,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:13,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:13,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:13,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff71eee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13, skipping insertion in model container [2023-11-19 05:25:13,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:13,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:13,577 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_c72fe293-8a4d-460c-9c49-88fcb4b0b795/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2023-11-19 05:25:13,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:13,728 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:13,745 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_c72fe293-8a4d-460c-9c49-88fcb4b0b795/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2023-11-19 05:25:13,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:13,868 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:13,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13 WrapperNode [2023-11-19 05:25:13,874 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:13,875 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:13,875 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:13,876 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:13,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:13,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:13,964 INFO L138 Inliner]: procedures = 29, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 494 [2023-11-19 05:25:13,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:13,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:13,966 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:13,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:13,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:13,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:13,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:13,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:14,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:14,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:14,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:14,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:14,034 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:14,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:14,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:14,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:14,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (1/1) ... [2023-11-19 05:25:14,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:14,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:14,074 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:14,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:14,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:25:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:25:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:25:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:25:14,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:25:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:14,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:25:14,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:14,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:14,282 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:14,285 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:14,974 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:16,215 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:16,216 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:25:16,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:16 BoogieIcfgContainer [2023-11-19 05:25:16,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:16,231 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:16,232 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:16,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:16,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:13" (1/3) ... [2023-11-19 05:25:16,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290246fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:16, skipping insertion in model container [2023-11-19 05:25:16,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:13" (2/3) ... [2023-11-19 05:25:16,240 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@290246fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:16, skipping insertion in model container [2023-11-19 05:25:16,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:16" (3/3) ... [2023-11-19 05:25:16,242 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-36.i [2023-11-19 05:25:16,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:16,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:16,321 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:16,328 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;@353b01e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:16,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:16,333 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:16,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 05:25:16,344 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:16,345 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:16,346 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:16,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:16,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1149096660, now seen corresponding path program 1 times [2023-11-19 05:25:16,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:25:16,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574121571] [2023-11-19 05:25:16,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:16,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:25:18,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:18,380 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:25:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:25:19,382 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:25:19,384 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:25:19,386 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:25:19,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:25:19,394 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:25:19,406 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:25:19,480 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 05:25:19,483 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 05:25:19,484 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:25:19,485 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:25:19,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 05:25:19,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 05:25:19,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 05:25:19,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 05:25:19,500 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:25:19,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:25:19,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:25:19,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 05:25:19,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-19 05:25:19,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:25:19,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-19 05:25:19,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:25:19,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:25:19,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 05:25:19,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:25:19,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-19 05:25:19,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:25:19,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-19 05:25:19,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-19 05:25:19,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:25:19,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-19 05:25:19,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 05:25:19,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-19 05:25:19,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:25:19,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:25:19,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-19 05:25:19,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:25:19,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 05:25:19,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:25:19,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-19 05:25:19,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-19 05:25:19,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:25:19,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:25:19,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-19 05:25:19,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:25:19,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:25:19,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:25:19,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 05:25:19,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-19 05:25:19,522 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:25:19,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-11-19 05:25:19,523 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-11-19 05:25:19,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-19 05:25:19,524 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:25:19,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:25:19,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:25:19,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-19 05:25:19,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-19 05:25:19,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:25:19,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 05:25:19,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-19 05:25:19,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 05:25:19,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 05:25:19,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-19 05:25:19,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 05:25:19,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 05:25:19,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-19 05:25:19,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated [2023-11-19 05:25:19,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-11-19 05:25:19,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated [2023-11-19 05:25:19,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-19 05:25:19,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-11-19 05:25:19,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 05:25:19,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 05:25:19,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-19 05:25:19,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 05:25:19,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-19 05:25:19,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 05:25:19,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated [2023-11-19 05:25:19,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 05:25:19,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 05:25:19,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-19 05:25:19,538 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated [2023-11-19 05:25:19,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated [2023-11-19 05:25:19,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-19 05:25:19,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-19 05:25:19,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 05:25:19,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-19 05:25:19,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:25:19 BoogieIcfgContainer [2023-11-19 05:25:19,579 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:25:19,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:25:19,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:25:19,582 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:25:19,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:16" (3/4) ... [2023-11-19 05:25:19,589 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:25:19,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:25:19,592 INFO L158 Benchmark]: Toolchain (without parser) took 6252.42ms. Allocated memory was 165.7MB in the beginning and 245.4MB in the end (delta: 79.7MB). Free memory was 134.2MB in the beginning and 87.6MB in the end (delta: 46.7MB). Peak memory consumption was 125.1MB. Max. memory is 16.1GB. [2023-11-19 05:25:19,592 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:19,594 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.36ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 118.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:25:19,595 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.55ms. Allocated memory is still 165.7MB. Free memory was 118.9MB in the beginning and 114.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:25:19,598 INFO L158 Benchmark]: Boogie Preprocessor took 68.89ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 111.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:25:19,605 INFO L158 Benchmark]: RCFGBuilder took 2189.89ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 111.3MB in the beginning and 80.5MB in the end (delta: 30.8MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2023-11-19 05:25:19,607 INFO L158 Benchmark]: TraceAbstraction took 3348.78ms. Allocated memory was 199.2MB in the beginning and 245.4MB in the end (delta: 46.1MB). Free memory was 79.4MB in the beginning and 87.6MB in the end (delta: -8.1MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-11-19 05:25:19,608 INFO L158 Benchmark]: Witness Printer took 8.46ms. Allocated memory is still 245.4MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:25:19,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 127.9MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.36ms. Allocated memory is still 165.7MB. Free memory was 134.2MB in the beginning and 118.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.55ms. Allocated memory is still 165.7MB. Free memory was 118.9MB in the beginning and 114.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.89ms. Allocated memory is still 165.7MB. Free memory was 114.8MB in the beginning and 111.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2189.89ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 111.3MB in the beginning and 80.5MB in the end (delta: 30.8MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3348.78ms. Allocated memory was 199.2MB in the beginning and 245.4MB in the end (delta: 46.1MB). Free memory was 79.4MB in the beginning and 87.6MB in the end (delta: -8.1MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * Witness Printer took 8.46ms. Allocated memory is still 245.4MB. Free memory is still 87.6MB. 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~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short89 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 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 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 53, overapproximation of shiftRight at line 41, overapproximation of someUnaryDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 1, 1, 0 }; [L25-L27] double double_Array_0[2][2] = { {199.5, 64.2}, {3.5, 9.5} }; [L28-L30] float float_Array_0[2] = { 4.25, 9999999999.875 }; [L31-L33] unsigned char unsigned_char_Array_0[2] = { 2, 1 }; [L34-L36] unsigned long int unsigned_long_int_Array_0[1] = { 1 }; [L37] unsigned char last_1_unsigned_char_Array_0_1_ = 1; [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] CALL updateLastVariables() [L95] EXPR unsigned_char_Array_0[1] [L95] last_1_unsigned_char_Array_0_1_ = unsigned_char_Array_0[1] [L105] RET updateLastVariables() [L106] CALL updateVariables() [L74] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L77] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L78] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L78] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L79] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L80] double_Array_0[0][0] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[0][0] [L81] EXPR double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F [L81] EXPR (double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F ) [L81] EXPR double_Array_0[0][0] [L81] EXPR double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F [L81] EXPR double_Array_0[0][0] [L81] EXPR double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F [L81] EXPR (double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L81] CALL assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L82] double_Array_0[1][0] = __VERIFIER_nondet_double() [L83] EXPR double_Array_0[1][0] [L83] EXPR double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F [L83] EXPR double_Array_0[1][0] [L83] EXPR double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F [L83] EXPR (double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L83] CALL assume_abort_if_not((double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((double_Array_0[1][0] >= -922337.2036854765600e+13F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854765600e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L84] double_Array_0[1][1] = __VERIFIER_nondet_double() [L85] EXPR double_Array_0[1][1] [L85] EXPR double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F [L85] EXPR double_Array_0[1][1] [L85] EXPR double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F [L85] EXPR (double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L85] CALL assume_abort_if_not((double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((double_Array_0[1][1] >= -922337.2036854765600e+13F && double_Array_0[1][1] <= -1.0e-20F) || (double_Array_0[1][1] <= 9223372.036854765600e+12F && double_Array_0[1][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L86] float_Array_0[0] = __VERIFIER_nondet_float() [L87] EXPR float_Array_0[0] [L87] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L87] EXPR float_Array_0[0] [L87] EXPR float_Array_0[0] >= -922337.2036854776000e+13F && float_Array_0[0] <= -1.0e-20F [L87] 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 [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L87] 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L87] 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 [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L88] float_Array_0[1] = __VERIFIER_nondet_float() [L89] EXPR float_Array_0[1] [L89] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L89] EXPR float_Array_0[1] [L89] EXPR float_Array_0[1] >= -922337.2036854776000e+13F && float_Array_0[1] <= -1.0e-20F [L89] 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 [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L89] 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 [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L89] 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 [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L90] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L91] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L91] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L106] RET updateVariables() [L107] CALL step() [L41] EXPR last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_ [L41] COND TRUE (last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_) [L42] EXPR BOOL_unsigned_char_Array_0[2] [L42] EXPR BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0] [L42] EXPR BOOL_unsigned_char_Array_0[0] [L42] EXPR BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0] [L42] BOOL_unsigned_char_Array_0[1] = (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]) [L44] EXPR double_Array_0[1][0] [L44] EXPR double_Array_0[0][0] [L44] COND FALSE !(double_Array_0[1][0] == (- double_Array_0[0][0])) [L51] unsigned_char_Array_0[1] = 0 [L53] EXPR float_Array_0[0] [L53] EXPR float_Array_0[1] [L53] COND TRUE float_Array_0[0] > float_Array_0[1] [L54] double_Array_0[0][1] = 4.6 [L58] EXPR double_Array_0[0][1] [L58] EXPR double_Array_0[0][1] [L58] unsigned char stepLocal_0 = double_Array_0[0][1] > double_Array_0[0][1]; [L59] stepLocal_0 && BOOL_unsigned_char_Array_0[1] [L59] EXPR BOOL_unsigned_char_Array_0[1] [L59] stepLocal_0 && BOOL_unsigned_char_Array_0[1] [L59] COND TRUE stepLocal_0 && BOOL_unsigned_char_Array_0[1] [L60] EXPR double_Array_0[0][1] [L60] EXPR double_Array_0[0][1] [L60] EXPR ((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])) [L60] EXPR double_Array_0[0][1] [L60] EXPR ((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])) [L60] EXPR double_Array_0[0][1] [L60] COND FALSE !(((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) [L67] EXPR unsigned_char_Array_0[1] [L67] unsigned_long_int_Array_0[0] = unsigned_char_Array_0[1] [L107] RET step() [L108] CALL, EXPR property() [L98] EXPR double_Array_0[0][1] [L98] EXPR double_Array_0[0][1] [L98] EXPR (double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1] [L98] EXPR BOOL_unsigned_char_Array_0[1] [L98] EXPR (double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1] [L98] EXPR ((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1])) [L98] EXPR double_Array_0[0][1] [L98] EXPR double_Array_0[0][1] [L98] EXPR ((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])) [L98] EXPR double_Array_0[0][1] [L98] EXPR ((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])) [L98] EXPR double_Array_0[0][1] [L98] EXPR (((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1])) [L98] EXPR unsigned_long_int_Array_0[0] [L98] EXPR unsigned_char_Array_0[1] [L98] EXPR (((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1])) [L98] EXPR ((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1])) [L98] EXPR (((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1) [L98] EXPR last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_ [L98] EXPR ((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1 [L98] EXPR (((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1) [L98] EXPR ((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))))))) [L98] EXPR float_Array_0[0] [L98] EXPR float_Array_0[1] [L98] EXPR (float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))))))) [L98] EXPR double_Array_0[0][1] [L98] EXPR double_Array_0[1][1] [L98] EXPR double_Array_0[0][0] [L98] EXPR double_Array_0[1][0] [L98] EXPR ((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]) [L98] EXPR double_Array_0[1][0] [L98] EXPR ((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]) [L98] EXPR ((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))) [L98] EXPR double_Array_0[1][1] [L98] EXPR ((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))) [L98] EXPR (float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))))))) [L98] EXPR ((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))))))) [L98] EXPR (((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))))))))) && ((double_Array_0[1][0] == (- double_Array_0[0][0])) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) 0))) [L98-L99] return (((((double_Array_0[0][1] > double_Array_0[0][1]) && BOOL_unsigned_char_Array_0[1]) ? ((((((double_Array_0[0][1]) > ((- double_Array_0[0][1]))) ? (double_Array_0[0][1]) : ((- double_Array_0[0][1])))) != double_Array_0[0][1]) ? (BOOL_unsigned_char_Array_0[1] ? (unsigned_long_int_Array_0[0] == ((unsigned long int) 10u)) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) : (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_char_Array_0[1]))) && (((last_1_unsigned_char_Array_0_1_ >> last_1_unsigned_char_Array_0_1_) < (- last_1_unsigned_char_Array_0_1_)) ? (BOOL_unsigned_char_Array_0[1] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] || BOOL_unsigned_char_Array_0[0]))) : 1)) && ((float_Array_0[0] > float_Array_0[1]) ? (double_Array_0[0][1] == ((double) 4.6)) : (double_Array_0[0][1] == ((double) ((((double_Array_0[1][1]) > (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0]))))) ? (double_Array_0[1][1]) : (((((double_Array_0[0][0]) > (double_Array_0[1][0])) ? (double_Array_0[0][0]) : (double_Array_0[1][0])))))))))) && ((double_Array_0[1][0] == (- double_Array_0[0][0])) ? ((BOOL_unsigned_char_Array_0[1] && BOOL_unsigned_char_Array_0[1]) ? (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0])) : (unsigned_char_Array_0[1] == ((unsigned char) unsigned_char_Array_0[0]))) : (unsigned_char_Array_0[1] == ((unsigned char) 0))) ; [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_unsigned_char_Array_0_1_=1, unsigned_char_Array_0={7:0}, unsigned_long_int_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 1, TraceHistogramMax: 11, 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=31occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 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 05:25:19,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:25:22,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:25:22,677 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:25:22,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:25:22,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:25:22,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:25:22,717 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:25:22,718 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:25:22,719 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:25:22,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:25:22,720 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:25:22,720 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:25:22,721 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:25:22,722 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:25:22,722 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:25:22,723 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:25:22,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:25:22,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:25:22,725 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:25:22,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:25:22,726 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:25:22,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:25:22,728 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:25:22,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:25:22,729 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:25:22,729 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:25:22,730 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:25:22,730 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:25:22,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:25:22,731 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:25:22,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:25:22,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:25:22,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:25:22,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:22,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:25:22,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:25:22,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:25:22,735 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:25:22,735 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:22,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:25:22,736 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:25:22,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:25:22,737 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_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41f77efcfe33be11618a361f7eb55ba9d9569bca80921eb0046d4538ba494080 [2023-11-19 05:25:23,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:25:23,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:25:23,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:25:23,186 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:25:23,190 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:25:23,191 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2023-11-19 05:25:26,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:25:26,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:25:26,887 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i [2023-11-19 05:25:26,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/data/c54624f58/77950079c3d943cbaf3098763ca9d6df/FLAG876e959ad [2023-11-19 05:25:26,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/data/c54624f58/77950079c3d943cbaf3098763ca9d6df [2023-11-19 05:25:26,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:25:26,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:25:26,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:26,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:25:26,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:25:26,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,951 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5cb060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:26, skipping insertion in model container [2023-11-19 05:25:26,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:25:26" (1/1) ... [2023-11-19 05:25:26,982 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:25:27,239 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_c72fe293-8a4d-460c-9c49-88fcb4b0b795/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2023-11-19 05:25:27,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:27,399 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:25:27,420 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_c72fe293-8a4d-460c-9c49-88fcb4b0b795/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-36.i[916,929] [2023-11-19 05:25:27,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:25:27,521 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:25:27,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27 WrapperNode [2023-11-19 05:25:27,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:25:27,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:27,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:25:27,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:25:27,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,643 INFO L138 Inliner]: procedures = 36, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 485 [2023-11-19 05:25:27,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:25:27,645 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:25:27,645 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:25:27,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:25:27,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,696 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:25:27,803 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:25:27,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:25:27,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:25:27,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (1/1) ... [2023-11-19 05:25:27,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:25:27,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:27,856 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:25:27,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:25:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:25:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 05:25:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 05:25:27,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:25:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:25:27,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:25:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:25:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 05:25:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:25:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:25:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:25:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:25:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:25:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:25:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:25:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:25:27,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:25:28,064 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:25:28,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:25:29,138 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:25:29,156 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:25:29,157 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:25:29,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:29 BoogieIcfgContainer [2023-11-19 05:25:29,167 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:25:29,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:25:29,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:25:29,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:25:29,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:25:26" (1/3) ... [2023-11-19 05:25:29,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5150f7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:29, skipping insertion in model container [2023-11-19 05:25:29,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:25:27" (2/3) ... [2023-11-19 05:25:29,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5150f7ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:25:29, skipping insertion in model container [2023-11-19 05:25:29,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:25:29" (3/3) ... [2023-11-19 05:25:29,181 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-36.i [2023-11-19 05:25:29,203 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:25:29,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:25:29,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:25:29,281 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;@7af0133e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:25:29,282 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:25:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 105 states have (on average 1.4857142857142858) internal successors, (156), 106 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:29,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 05:25:29,305 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:29,306 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:29,307 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:29,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:29,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1604184980, now seen corresponding path program 1 times [2023-11-19 05:25:29,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:29,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [962354705] [2023-11-19 05:25:29,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:29,334 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 05:25:29,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:29,337 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:29,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:29,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:25:29,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:29,901 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-19 05:25:29,902 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:29,903 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:29,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [962354705] [2023-11-19 05:25:29,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [962354705] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:29,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:29,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:25:29,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50757353] [2023-11-19 05:25:29,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:29,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:25:29,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:29,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:25:29,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:25:29,953 INFO L87 Difference]: Start difference. First operand has 119 states, 105 states have (on average 1.4857142857142858) internal successors, (156), 106 states have internal predecessors, (156), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:25:29,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:29,997 INFO L93 Difference]: Finished difference Result 227 states and 355 transitions. [2023-11-19 05:25:29,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:25:30,000 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2023-11-19 05:25:30,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:30,009 INFO L225 Difference]: With dead ends: 227 [2023-11-19 05:25:30,010 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 05:25:30,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 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 05:25:30,018 INFO L413 NwaCegarLoop]: 163 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, 163 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 05:25:30,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:25:30,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 05:25:30,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-19 05:25:30,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 98 states have (on average 1.4387755102040816) internal successors, (141), 98 states have internal predecessors, (141), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:30,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2023-11-19 05:25:30,074 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 108 [2023-11-19 05:25:30,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:30,075 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2023-11-19 05:25:30,075 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:25:30,075 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-11-19 05:25:30,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 05:25:30,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:30,083 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:30,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:30,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:30,294 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:30,294 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:30,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1485217070, now seen corresponding path program 1 times [2023-11-19 05:25:30,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:30,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969456799] [2023-11-19 05:25:30,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:30,296 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 05:25:30,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:30,298 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:30,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:30,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:25:30,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:30,823 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-11-19 05:25:30,823 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:30,824 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:30,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969456799] [2023-11-19 05:25:30,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969456799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:30,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:30,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:25:30,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883611073] [2023-11-19 05:25:30,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:30,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:25:30,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:30,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:25:30,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:25:30,833 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:25:30,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:30,969 INFO L93 Difference]: Finished difference Result 225 states and 332 transitions. [2023-11-19 05:25:30,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:25:30,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 108 [2023-11-19 05:25:30,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:30,973 INFO L225 Difference]: With dead ends: 225 [2023-11-19 05:25:30,973 INFO L226 Difference]: Without dead ends: 117 [2023-11-19 05:25:30,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 05:25:30,977 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 10 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:30,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 477 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:25:30,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-19 05:25:30,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 113. [2023-11-19 05:25:30,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 100 states have (on average 1.43) internal successors, (143), 100 states have internal predecessors, (143), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2023-11-19 05:25:30,996 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 108 [2023-11-19 05:25:30,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:30,997 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2023-11-19 05:25:30,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-19 05:25:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2023-11-19 05:25:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 05:25:31,003 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:31,003 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:31,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:31,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:31,213 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:31,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:31,216 INFO L85 PathProgramCache]: Analyzing trace with hash -476357588, now seen corresponding path program 1 times [2023-11-19 05:25:31,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:31,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [960338440] [2023-11-19 05:25:31,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:31,224 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 05:25:31,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:31,227 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:31,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:31,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:25:31,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:31,740 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:25:31,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 208 treesize of output 64 [2023-11-19 05:25:31,782 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:25:31,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:31,783 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:31,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [960338440] [2023-11-19 05:25:31,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [960338440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:31,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:31,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:25:31,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729305165] [2023-11-19 05:25:31,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:31,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:25:31,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:31,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:25:31,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:25:31,797 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:31,850 INFO L93 Difference]: Finished difference Result 219 states and 320 transitions. [2023-11-19 05:25:31,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:25:31,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-19 05:25:31,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:31,855 INFO L225 Difference]: With dead ends: 219 [2023-11-19 05:25:31,859 INFO L226 Difference]: Without dead ends: 109 [2023-11-19 05:25:31,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:25:31,865 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 1 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:31,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 301 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:25:31,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-19 05:25:31,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-11-19 05:25:31,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 96 states have (on average 1.3958333333333333) internal successors, (134), 96 states have internal predecessors, (134), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:31,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2023-11-19 05:25:31,895 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 108 [2023-11-19 05:25:31,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:31,898 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2023-11-19 05:25:31,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:31,899 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2023-11-19 05:25:31,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 05:25:31,906 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:31,906 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:31,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:32,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:32,107 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:32,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:32,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1756221266, now seen corresponding path program 1 times [2023-11-19 05:25:32,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:32,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1669804554] [2023-11-19 05:25:32,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:32,110 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 05:25:32,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:32,111 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:32,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:32,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:25:32,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:32,595 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:25:32,595 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:32,595 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:32,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1669804554] [2023-11-19 05:25:32,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1669804554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:32,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:32,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:25:32,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294104501] [2023-11-19 05:25:32,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:32,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:25:32,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:32,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:25:32,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:25:32,599 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:32,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:32,619 INFO L93 Difference]: Finished difference Result 209 states and 300 transitions. [2023-11-19 05:25:32,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:25:32,620 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-19 05:25:32,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:32,622 INFO L225 Difference]: With dead ends: 209 [2023-11-19 05:25:32,623 INFO L226 Difference]: Without dead ends: 103 [2023-11-19 05:25:32,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:25:32,625 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 32 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:32,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 249 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:25:32,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-19 05:25:32,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2023-11-19 05:25:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 90 states have (on average 1.3666666666666667) internal successors, (123), 90 states have internal predecessors, (123), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:32,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 145 transitions. [2023-11-19 05:25:32,637 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 145 transitions. Word has length 108 [2023-11-19 05:25:32,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:32,638 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 145 transitions. [2023-11-19 05:25:32,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:32,639 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2023-11-19 05:25:32,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 05:25:32,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:32,641 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:32,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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)] Ended with exit code 0 [2023-11-19 05:25:32,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:32,850 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:32,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:32,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1498055828, now seen corresponding path program 1 times [2023-11-19 05:25:32,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:32,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265280480] [2023-11-19 05:25:32,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:32,852 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 05:25:32,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:32,854 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:32,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:33,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 05:25:33,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:34,498 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 05:25:34,566 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 19 treesize of output 14 [2023-11-19 05:25:34,632 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 30 treesize of output 23 [2023-11-19 05:25:34,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 31 [2023-11-19 05:25:34,793 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:25:34,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:34,794 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:34,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265280480] [2023-11-19 05:25:34,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265280480] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:34,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:34,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 05:25:34,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543408598] [2023-11-19 05:25:34,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:34,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 05:25:34,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:34,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 05:25:34,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:25:34,803 INFO L87 Difference]: Start difference. First operand 103 states and 145 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:36,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:36,203 INFO L93 Difference]: Finished difference Result 244 states and 342 transitions. [2023-11-19 05:25:36,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:25:36,208 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 108 [2023-11-19 05:25:36,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:36,210 INFO L225 Difference]: With dead ends: 244 [2023-11-19 05:25:36,210 INFO L226 Difference]: Without dead ends: 144 [2023-11-19 05:25:36,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:25:36,212 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 297 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:36,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 335 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 05:25:36,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-19 05:25:36,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 118. [2023-11-19 05:25:36,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 105 states have internal predecessors, (142), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2023-11-19 05:25:36,246 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 108 [2023-11-19 05:25:36,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:36,249 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2023-11-19 05:25:36,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:36,250 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2023-11-19 05:25:36,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 05:25:36,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:36,257 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:36,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:36,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:36,467 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:36,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:36,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1596148126, now seen corresponding path program 1 times [2023-11-19 05:25:36,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:36,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1389039323] [2023-11-19 05:25:36,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:36,472 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 05:25:36,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:36,474 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:36,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:36,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:25:36,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:25:36,908 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:36,908 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:36,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1389039323] [2023-11-19 05:25:36,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1389039323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:36,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:36,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:25:36,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607476705] [2023-11-19 05:25:36,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:36,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:25:36,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:36,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:25:36,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:25:36,911 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:36,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:36,978 INFO L93 Difference]: Finished difference Result 250 states and 351 transitions. [2023-11-19 05:25:36,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:25:36,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2023-11-19 05:25:36,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:36,980 INFO L225 Difference]: With dead ends: 250 [2023-11-19 05:25:36,980 INFO L226 Difference]: Without dead ends: 135 [2023-11-19 05:25:36,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:25:36,982 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 71 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:36,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 558 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:25:36,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-19 05:25:36,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 120. [2023-11-19 05:25:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 107 states have (on average 1.3457943925233644) internal successors, (144), 107 states have internal predecessors, (144), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:36,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 166 transitions. [2023-11-19 05:25:36,996 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 166 transitions. Word has length 110 [2023-11-19 05:25:36,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:36,997 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 166 transitions. [2023-11-19 05:25:36,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:36,997 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 166 transitions. [2023-11-19 05:25:36,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 05:25:36,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:36,999 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:37,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:37,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:37,209 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:37,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:37,209 INFO L85 PathProgramCache]: Analyzing trace with hash 775660548, now seen corresponding path program 1 times [2023-11-19 05:25:37,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:37,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112467188] [2023-11-19 05:25:37,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:37,210 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 05:25:37,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:37,211 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:37,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 (8)] Waiting until timeout for monitored process [2023-11-19 05:25:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:37,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 05:25:37,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:38,243 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 05:25:38,270 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 19 treesize of output 19 [2023-11-19 05:25:38,353 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:25:38,354 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:38,354 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:38,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112467188] [2023-11-19 05:25:38,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112467188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:38,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:38,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:25:38,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685063721] [2023-11-19 05:25:38,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:38,356 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:25:38,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:38,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:25:38,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:25:38,357 INFO L87 Difference]: Start difference. First operand 120 states and 166 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:39,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:39,126 INFO L93 Difference]: Finished difference Result 235 states and 326 transitions. [2023-11-19 05:25:39,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:25:39,127 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 110 [2023-11-19 05:25:39,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:39,129 INFO L225 Difference]: With dead ends: 235 [2023-11-19 05:25:39,129 INFO L226 Difference]: Without dead ends: 118 [2023-11-19 05:25:39,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:25:39,131 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 140 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:39,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 358 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-19 05:25:39,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-19 05:25:39,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 103. [2023-11-19 05:25:39,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 90 states have (on average 1.3444444444444446) internal successors, (121), 90 states have internal predecessors, (121), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 143 transitions. [2023-11-19 05:25:39,143 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 143 transitions. Word has length 110 [2023-11-19 05:25:39,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:39,144 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 143 transitions. [2023-11-19 05:25:39,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:39,144 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 143 transitions. [2023-11-19 05:25:39,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-19 05:25:39,146 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:39,146 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:39,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:39,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:39,356 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:39,357 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:39,357 INFO L85 PathProgramCache]: Analyzing trace with hash -827079207, now seen corresponding path program 1 times [2023-11-19 05:25:39,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:39,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2039212489] [2023-11-19 05:25:39,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:39,358 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 05:25:39,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:39,359 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:39,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 (9)] Waiting until timeout for monitored process [2023-11-19 05:25:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:39,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 05:25:39,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:40,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-19 05:25:40,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 21 [2023-11-19 05:25:41,009 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 05:25:41,361 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:25:41,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 137 treesize of output 53 [2023-11-19 05:25:41,409 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:25:41,410 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:41,410 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:41,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2039212489] [2023-11-19 05:25:41,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2039212489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:41,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:41,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 05:25:41,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344437267] [2023-11-19 05:25:41,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:41,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 05:25:41,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:41,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 05:25:41,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:25:41,414 INFO L87 Difference]: Start difference. First operand 103 states and 143 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:42,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:42,920 INFO L93 Difference]: Finished difference Result 246 states and 338 transitions. [2023-11-19 05:25:42,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 05:25:42,921 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 112 [2023-11-19 05:25:42,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:42,923 INFO L225 Difference]: With dead ends: 246 [2023-11-19 05:25:42,923 INFO L226 Difference]: Without dead ends: 146 [2023-11-19 05:25:42,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2023-11-19 05:25:42,925 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 283 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:42,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 403 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 05:25:42,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-19 05:25:42,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 119. [2023-11-19 05:25:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 106 states have (on average 1.3018867924528301) internal successors, (138), 106 states have internal predecessors, (138), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:42,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 160 transitions. [2023-11-19 05:25:42,937 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 160 transitions. Word has length 112 [2023-11-19 05:25:42,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:42,938 INFO L495 AbstractCegarLoop]: Abstraction has 119 states and 160 transitions. [2023-11-19 05:25:42,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:42,938 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 160 transitions. [2023-11-19 05:25:42,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 05:25:42,940 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:42,940 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:42,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 (9)] Forceful destruction successful, exit code 0 [2023-11-19 05:25:43,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:43,150 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:43,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:43,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1518129061, now seen corresponding path program 1 times [2023-11-19 05:25:43,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:43,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1936230281] [2023-11-19 05:25:43,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:43,152 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 05:25:43,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:43,153 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:43,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 (10)] Waiting until timeout for monitored process [2023-11-19 05:25:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:43,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 05:25:43,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:44,501 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 05:25:44,566 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 19 treesize of output 14 [2023-11-19 05:25:44,621 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 19 treesize of output 14 [2023-11-19 05:25:44,765 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 43 treesize of output 25 [2023-11-19 05:25:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 05:25:44,837 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:25:44,837 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:44,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1936230281] [2023-11-19 05:25:44,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1936230281] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:25:44,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:25:44,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 05:25:44,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939000145] [2023-11-19 05:25:44,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:25:44,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:25:44,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:25:44,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:25:44,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:25:44,842 INFO L87 Difference]: Start difference. First operand 119 states and 160 transitions. Second operand has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:47,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:25:47,649 INFO L93 Difference]: Finished difference Result 270 states and 361 transitions. [2023-11-19 05:25:47,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 05:25:47,650 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 114 [2023-11-19 05:25:47,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:25:47,653 INFO L225 Difference]: With dead ends: 270 [2023-11-19 05:25:47,653 INFO L226 Difference]: Without dead ends: 268 [2023-11-19 05:25:47,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2023-11-19 05:25:47,655 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 244 mSDsluCounter, 787 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 931 SdHoareTripleChecker+Invalid, 905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:25:47,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 931 Invalid, 905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-11-19 05:25:47,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-11-19 05:25:47,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 168. [2023-11-19 05:25:47,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 155 states have (on average 1.2774193548387096) internal successors, (198), 155 states have internal predecessors, (198), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-19 05:25:47,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 220 transitions. [2023-11-19 05:25:47,671 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 220 transitions. Word has length 114 [2023-11-19 05:25:47,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:25:47,672 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 220 transitions. [2023-11-19 05:25:47,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.2) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-19 05:25:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 220 transitions. [2023-11-19 05:25:47,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 05:25:47,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:25:47,674 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:47,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 (10)] Ended with exit code 0 [2023-11-19 05:25:47,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:47,884 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:25:47,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:25:47,885 INFO L85 PathProgramCache]: Analyzing trace with hash 740610255, now seen corresponding path program 1 times [2023-11-19 05:25:47,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:25:47,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968143901] [2023-11-19 05:25:47,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:47,886 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 05:25:47,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:25:47,887 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 05:25:47,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/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 (11)] Waiting until timeout for monitored process [2023-11-19 05:25:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:48,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 05:25:48,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:49,782 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 05:25:50,393 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 05:25:50,883 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 05:25:51,104 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 114 treesize of output 87 [2023-11-19 05:25:51,314 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 114 treesize of output 87 [2023-11-19 05:25:51,692 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:25:51,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 58 [2023-11-19 05:25:51,841 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-19 05:25:51,841 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:52,857 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_278 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_279 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_280 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)) (.cse4 (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| v_ArrVal_278))) (or (let ((.cse1 (select (store (store .cse4 |c_~#double_Array_0~0.base| v_ArrVal_279) |c_~#unsigned_long_int_Array_0~0.base| v_ArrVal_280) |c_~#float_Array_0~0.base|))) (fp.gt (let ((.cse0 (select .cse1 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select .cse1 .cse3))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2))))) (not (let ((.cse6 (select .cse4 |c_~#float_Array_0~0.base|))) (fp.gt (let ((.cse5 (select .cse6 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (let ((.cse7 (select .cse6 .cse3))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7))))))))) is different from false [2023-11-19 05:25:53,042 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:25:53,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968143901] [2023-11-19 05:25:53,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968143901] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:25:53,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [600251701] [2023-11-19 05:25:53,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:53,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:25:53,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:25:53,046 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:25:53,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-19 05:25:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:55,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 05:25:55,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:25:57,124 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 05:25:57,479 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 05:25:57,966 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 05:25:58,056 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 114 treesize of output 87 [2023-11-19 05:25:58,156 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 114 treesize of output 87 [2023-11-19 05:25:58,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:25:58,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 58 [2023-11-19 05:25:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-19 05:25:58,556 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:25:59,447 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_310 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_311 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_280 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (bvadd (_ bv4 32) |c_~#float_Array_0~0.offset|)) (.cse4 (store |c_#memory_int| |c_~#unsigned_char_Array_0~0.base| v_ArrVal_310))) (or (not (let ((.cse1 (select .cse4 |c_~#float_Array_0~0.base|))) (fp.gt (let ((.cse0 (select .cse1 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) (let ((.cse2 (select .cse1 .cse3))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (let ((.cse6 (select (store (store .cse4 |c_~#double_Array_0~0.base| v_ArrVal_311) |c_~#unsigned_long_int_Array_0~0.base| v_ArrVal_280) |c_~#float_Array_0~0.base|))) (fp.gt (let ((.cse5 (select .cse6 |c_~#float_Array_0~0.offset|))) (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))) (let ((.cse7 (select .cse6 .cse3))) (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7)))))))) is different from false [2023-11-19 05:25:59,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [600251701] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:25:59,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737831166] [2023-11-19 05:25:59,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:25:59,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:25:59,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:25:59,609 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:25:59,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c72fe293-8a4d-460c-9c49-88fcb4b0b795/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 05:25:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:25:59,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 05:26:00,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:26:01,683 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 44 treesize of output 20