./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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_cdce52f6-e049-4e1c-a025-2271305aa917/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 ff8bee30ebc0a54ebfcfd9d99cb415407b7814d567c1f87cff440d6e8ced68ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:18:16,959 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:18:17,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:18:17,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:18:17,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:18:17,082 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:18:17,083 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:18:17,084 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:18:17,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:18:17,085 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:18:17,086 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:18:17,086 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:18:17,087 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:18:17,087 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:18:17,088 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:18:17,088 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:18:17,089 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:18:17,090 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:18:17,090 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:18:17,091 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:18:17,091 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:18:17,092 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:18:17,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:18:17,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:18:17,094 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:18:17,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:18:17,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:18:17,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:18:17,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:18:17,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:18:17,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:18:17,097 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:18:17,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:18:17,098 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:18:17,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:18:17,099 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:18:17,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:18:17,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:18:17,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:18:17,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:18:17,101 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:18:17,102 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:18:17,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:18:17,103 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:18:17,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:18:17,104 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_cdce52f6-e049-4e1c-a025-2271305aa917/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff8bee30ebc0a54ebfcfd9d99cb415407b7814d567c1f87cff440d6e8ced68ab [2023-11-19 04:18:17,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:18:17,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:18:17,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:18:17,396 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:18:17,396 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:18:17,398 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i [2023-11-19 04:18:20,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:18:20,812 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:18:20,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i [2023-11-19 04:18:20,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/data/cac4db0bb/9ba2b18ba4044df79b41d34d306e0431/FLAGf1c26a3d4 [2023-11-19 04:18:20,839 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/data/cac4db0bb/9ba2b18ba4044df79b41d34d306e0431 [2023-11-19 04:18:20,842 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:18:20,843 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:18:20,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:18:20,845 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:18:20,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:18:20,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:20" (1/1) ... [2023-11-19 04:18:20,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac065f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:20, skipping insertion in model container [2023-11-19 04:18:20,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:20" (1/1) ... [2023-11-19 04:18:20,910 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:18:21,064 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_cdce52f6-e049-4e1c-a025-2271305aa917/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i[919,932] [2023-11-19 04:18:21,137 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:18:21,153 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:18:21,167 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_cdce52f6-e049-4e1c-a025-2271305aa917/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i[919,932] [2023-11-19 04:18:21,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:18:21,247 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:18:21,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21 WrapperNode [2023-11-19 04:18:21,248 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:18:21,250 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:18:21,250 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:18:21,250 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:18:21,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,273 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,327 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 227 [2023-11-19 04:18:21,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:18:21,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:18:21,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:18:21,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:18:21,339 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,344 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:18:21,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:18:21,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:18:21,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:18:21,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (1/1) ... [2023-11-19 04:18:21,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:18:21,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:18:21,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:18:21,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:18:21,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:18:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:18:21,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:18:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:18:21,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:18:21,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:18:21,632 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:18:21,636 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:18:22,176 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:18:22,601 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:18:22,602 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:18:22,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:22 BoogieIcfgContainer [2023-11-19 04:18:22,608 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:18:22,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:18:22,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:18:22,618 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:18:22,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:18:20" (1/3) ... [2023-11-19 04:18:22,620 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e93483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:22, skipping insertion in model container [2023-11-19 04:18:22,620 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:21" (2/3) ... [2023-11-19 04:18:22,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e93483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:22, skipping insertion in model container [2023-11-19 04:18:22,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:22" (3/3) ... [2023-11-19 04:18:22,624 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i [2023-11-19 04:18:22,644 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:18:22,644 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:18:22,719 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:18:22,726 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;@67dc4e2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:18:22,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:18:22,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 04:18:22,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 04:18:22,745 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:22,746 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:22,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:22,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:22,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1012123054, now seen corresponding path program 1 times [2023-11-19 04:18:22,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:18:22,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322796187] [2023-11-19 04:18:22,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:22,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:18:22,999 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:18:23,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1815134147] [2023-11-19 04:18:23,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:23,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:18:23,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:18:23,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:18:23,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:18:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:18:23,257 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:18:23,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:18:23,480 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:18:23,482 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:18:23,484 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:18:23,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:18:23,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:18:23,714 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:18:23,719 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:18:23,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:18:23 BoogieIcfgContainer [2023-11-19 04:18:23,850 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:18:23,851 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:18:23,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:18:23,851 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:18:23,852 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:22" (3/4) ... [2023-11-19 04:18:23,854 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:18:23,855 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:18:23,857 INFO L158 Benchmark]: Toolchain (without parser) took 3013.17ms. Allocated memory is still 159.4MB. Free memory was 116.5MB in the beginning and 67.0MB in the end (delta: 49.5MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-19 04:18:23,857 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:18:23,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.91ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 100.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:18:23,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.85ms. Allocated memory is still 159.4MB. Free memory was 100.7MB in the beginning and 97.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:18:23,860 INFO L158 Benchmark]: Boogie Preprocessor took 49.80ms. Allocated memory is still 159.4MB. Free memory was 97.0MB in the beginning and 94.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:18:23,861 INFO L158 Benchmark]: RCFGBuilder took 1229.65ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 119.4MB in the end (delta: -25.0MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-11-19 04:18:23,861 INFO L158 Benchmark]: TraceAbstraction took 1235.37ms. Allocated memory is still 159.4MB. Free memory was 118.4MB in the beginning and 67.0MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2023-11-19 04:18:23,862 INFO L158 Benchmark]: Witness Printer took 5.04ms. Allocated memory is still 159.4MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:18:23,866 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.91ms. Allocated memory is still 159.4MB. Free memory was 116.0MB in the beginning and 100.7MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.85ms. Allocated memory is still 159.4MB. Free memory was 100.7MB in the beginning and 97.0MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.80ms. Allocated memory is still 159.4MB. Free memory was 97.0MB in the beginning and 94.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1229.65ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 119.4MB in the end (delta: -25.0MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1235.37ms. Allocated memory is still 159.4MB. Free memory was 118.4MB in the beginning and 67.0MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Witness Printer took 5.04ms. Allocated memory is still 159.4MB. Free memory is still 67.0MB. There was no memory consumed. Max. memory is 16.1GB. * 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 139, overapproximation of bitwiseOr at line 63, overapproximation of someUnaryDOUBLEoperation at line 69, overapproximation of someBinaryDOUBLEComparisonOperation at line 69, overapproximation of someBinaryArithmeticFLOAToperation at line 144. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -256; [L23] signed short int var_1_5 = -256; [L24] double var_1_7 = 256.25; [L25] double var_1_8 = 127.8; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] float var_1_12 = 999.75; [L29] float var_1_13 = 64.5; [L30] float var_1_14 = 127.25; [L31] signed char var_1_15 = -32; [L32] float var_1_16 = 32.7; [L33] unsigned char var_1_17 = 16; [L34] unsigned char var_1_18 = 32; [L35] unsigned short int var_1_19 = 5; [L36] signed long int var_1_21 = 100; [L37] signed short int var_1_22 = 50; [L38] double var_1_23 = 1000000.75; [L39] unsigned long int var_1_24 = 16; [L40] double var_1_28 = 15.5; [L41] double var_1_29 = 256.7; [L42] unsigned long int var_1_30 = 5; [L43] signed long int var_1_32 = 32; [L44] float var_1_34 = 7.5; [L45] unsigned short int var_1_35 = 100; [L46] signed short int var_1_36 = -4; [L47] unsigned short int var_1_37 = 47055; [L48] signed char var_1_39 = -64; [L49] double var_1_40 = 16.75; [L50] signed char var_1_41 = 16; [L51] signed long int last_1_var_1_1 = -256; [L52] signed short int last_1_var_1_5 = -256; [L53] unsigned char last_1_var_1_10 = 0; [L54] unsigned short int last_1_var_1_19 = 5; [L55] signed short int last_1_var_1_22 = 50; [L207] isInitial = 1 [L208] FCALL initially() [L209] COND TRUE 1 [L210] CALL updateLastVariables() [L196] last_1_var_1_1 = var_1_1 [L197] last_1_var_1_5 = var_1_5 [L198] last_1_var_1_10 = var_1_10 [L199] last_1_var_1_19 = var_1_19 [L200] last_1_var_1_22 = var_1_22 [L210] RET updateLastVariables() [L211] CALL updateVariables() [L159] var_1_7 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=639/5] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=639/5] [L161] var_1_8 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L163] var_1_11 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L165] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=129/2, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L166] var_1_13 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=509/4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L168] var_1_14 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=-32, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L170] var_1_15 = __VERIFIER_nondet_char() [L171] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L172] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L173] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=327/10, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L174] var_1_16 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=32, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L176] var_1_18 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L178] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=2567/10, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L179] var_1_29 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_29 >= -922337.2036854765600e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_29 >= -922337.2036854765600e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=-4, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L181] var_1_36 = __VERIFIER_nondet_short() [L182] CALL assume_abort_if_not(var_1_36 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_36 >= -32768) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L183] CALL assume_abort_if_not(var_1_36 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_36 <= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L184] CALL assume_abort_if_not(var_1_36 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_36 != 0) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=47055, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L185] var_1_37 = __VERIFIER_nondet_ushort() [L186] CALL assume_abort_if_not(var_1_37 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_37 >= 32767) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L187] CALL assume_abort_if_not(var_1_37 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_37 <= 65534) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=67/4, var_1_41=16, var_1_5=-256, var_1_8=2] [L188] var_1_40 = __VERIFIER_nondet_double() [L189] CALL assume_abort_if_not((var_1_40 >= -922337.2036854776000e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=7, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_40 >= -922337.2036854776000e+13F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854776000e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=7, var_1_41=16, var_1_5=-256, var_1_8=2] [L190] CALL assume_abort_if_not(var_1_40 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=7, var_1_41=16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_40 != 0.0F) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=7, var_1_41=16, var_1_5=-256, var_1_8=2] [L191] var_1_41 = __VERIFIER_nondet_char() [L192] CALL assume_abort_if_not(var_1_41 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=7, var_1_41=-16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_41 >= -127) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=7, var_1_41=-16, var_1_5=-256, var_1_8=2] [L193] CALL assume_abort_if_not(var_1_41 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=7, var_1_41=-16, var_1_5=-256, var_1_8=2] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_41 <= 126) VAL [isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3999/4, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=100, var_1_22=50, var_1_23=4000003/4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=32, var_1_34=15/2, var_1_35=100, var_1_36=274, var_1_37=32767, var_1_39=-64, var_1_40=7, var_1_41=-16, var_1_5=-256, var_1_8=2] [L211] RET updateVariables() [L212] CALL step() [L59] COND FALSE !(\read(var_1_10)) [L62] COND TRUE var_1_1 < var_1_19 [L63] EXPR var_1_1 ^ var_1_17 [L63] COND FALSE !(var_1_19 < (var_1_1 ^ var_1_17)) [L73] COND FALSE !(var_1_10 || var_1_10) [L76] var_1_30 = var_1_19 [L78] COND TRUE var_1_29 > var_1_12 [L79] COND TRUE (var_1_19 + var_1_19) > var_1_19 [L80] var_1_32 = var_1_22 [L89] var_1_34 = var_1_29 [L90] EXPR (var_1_22 % var_1_36) ^ var_1_17 [L90] COND TRUE ((var_1_22 % var_1_36) ^ var_1_17) != var_1_21 [L91] var_1_35 = (((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))) - var_1_17) [L93] COND TRUE ((var_1_12 / var_1_40) * var_1_12) > var_1_29 [L94] COND TRUE var_1_19 < 100u [L95] COND FALSE !(var_1_17 >= var_1_21) [L98] var_1_39 = -16 [L104] signed long int stepLocal_2 = last_1_var_1_5; [L105] unsigned char stepLocal_1 = last_1_var_1_10; [L106] signed long int stepLocal_0 = 256; [L107] COND FALSE !(stepLocal_1 && (last_1_var_1_5 >= last_1_var_1_1)) [L112] COND TRUE last_1_var_1_1 >= stepLocal_2 [L113] var_1_1 = last_1_var_1_5 [L118] var_1_10 = (last_1_var_1_10 && var_1_11) [L119] COND TRUE var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) [L120] COND FALSE !(\read(var_1_10)) [L124] var_1_22 = last_1_var_1_22 [L125] var_1_23 = var_1_14 [L126] unsigned char stepLocal_5 = var_1_10; [L127] unsigned char stepLocal_4 = var_1_18; [L128] COND TRUE var_1_22 < stepLocal_4 [L129] var_1_19 = last_1_var_1_19 [L137] var_1_21 = var_1_22 [L138] COND FALSE !(! (var_1_23 <= var_1_7)) [L141] COND TRUE (((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19 [L142] var_1_12 = var_1_13 [L147] unsigned char stepLocal_3 = var_1_10; [L148] COND FALSE !(var_1_10 && stepLocal_3) [L151] COND FALSE !((var_1_7 - var_1_8) > var_1_12) [L154] var_1_5 = var_1_19 [L212] RET step() [L213] CALL, EXPR property() [L203-L204] return (((((((((last_1_var_1_10 && (last_1_var_1_5 >= last_1_var_1_1)) ? ((256 != last_1_var_1_5) ? (var_1_1 == ((signed long int) (last_1_var_1_1 + last_1_var_1_5))) : 1) : ((last_1_var_1_1 >= last_1_var_1_5) ? (var_1_1 == ((signed long int) last_1_var_1_5)) : (var_1_1 == ((signed long int) last_1_var_1_1)))) && ((var_1_10 && var_1_10) ? (var_1_5 == ((signed short int) ((((var_1_19) < (-100)) ? (var_1_19) : (-100))))) : (((var_1_7 - var_1_8) > var_1_12) ? (var_1_5 == ((signed short int) var_1_19)) : (var_1_5 == ((signed short int) var_1_19))))) && (var_1_10 == ((unsigned char) (last_1_var_1_10 && var_1_11)))) && ((! (var_1_23 <= var_1_7)) ? (var_1_12 == ((float) ((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14))))) : (((((((var_1_1) > (var_1_17)) ? (var_1_1) : (var_1_17))) / var_1_15) < var_1_19) ? (var_1_12 == ((float) var_1_13)) : (var_1_12 == ((float) (var_1_16 + 49.6f)))))) && ((var_1_8 != ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) ? (var_1_10 ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : 1)) && ((var_1_22 < var_1_18) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (((var_1_10 || var_1_10) || var_1_10) ? (var_1_19 == ((unsigned short int) last_1_var_1_19)) : (var_1_19 == ((unsigned short int) var_1_22))))) && (var_1_21 == ((signed long int) var_1_22))) && (var_1_22 == ((signed short int) last_1_var_1_22))) && (var_1_23 == ((double) var_1_14)) ; [L213] RET, EXPR property() [L213] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=50, var_1_34=6, var_1_35=32751, var_1_36=274, var_1_37=32767, var_1_39=-16, var_1_40=7, var_1_41=-16, var_1_5=5, var_1_8=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=0, last_1_var_1_19=5, last_1_var_1_1=-256, last_1_var_1_22=50, last_1_var_1_5=-256, var_1_10=0, var_1_11=0, var_1_12=3, var_1_13=3, var_1_14=4, var_1_15=127, var_1_16=5, var_1_17=16, var_1_18=51, var_1_19=5, var_1_1=-256, var_1_21=50, var_1_22=50, var_1_23=4, var_1_24=16, var_1_28=31/2, var_1_29=6, var_1_30=5, var_1_32=50, var_1_34=6, var_1_35=32751, var_1_36=274, var_1_37=32767, var_1_39=-16, var_1_40=7, var_1_41=-16, var_1_5=5, var_1_8=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 22, 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=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 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 04:18:23,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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_cdce52f6-e049-4e1c-a025-2271305aa917/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 ff8bee30ebc0a54ebfcfd9d99cb415407b7814d567c1f87cff440d6e8ced68ab --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:18:26,754 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:18:26,902 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:18:26,912 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:18:26,913 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:18:26,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:18:26,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:18:26,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:18:26,964 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:18:26,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:18:26,970 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:18:26,970 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:18:26,971 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:18:26,972 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:18:26,973 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:18:26,973 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:18:26,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:18:26,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:18:26,976 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:18:26,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:18:26,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:18:26,977 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:18:26,978 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:18:26,978 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:18:26,978 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:18:26,979 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:18:26,979 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:18:26,980 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:18:26,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:18:26,981 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:18:26,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:18:26,982 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:18:26,983 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:18:26,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:18:26,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:18:26,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:18:26,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:18:26,984 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:18:26,985 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:18:26,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:18:26,986 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:18:26,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:18:26,987 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_cdce52f6-e049-4e1c-a025-2271305aa917/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff8bee30ebc0a54ebfcfd9d99cb415407b7814d567c1f87cff440d6e8ced68ab [2023-11-19 04:18:27,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:18:27,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:18:27,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:18:27,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:18:27,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:18:27,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i [2023-11-19 04:18:30,578 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:18:30,917 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:18:30,917 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i [2023-11-19 04:18:30,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/data/ee60c2d07/879625a959e041c395aaaa6c78ff6e5c/FLAG2fbc00c09 [2023-11-19 04:18:30,946 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/data/ee60c2d07/879625a959e041c395aaaa6c78ff6e5c [2023-11-19 04:18:30,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:18:30,950 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:18:30,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:18:30,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:18:30,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:18:30,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:30" (1/1) ... [2023-11-19 04:18:30,960 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c76778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:30, skipping insertion in model container [2023-11-19 04:18:30,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:18:30" (1/1) ... [2023-11-19 04:18:31,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:18:31,172 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_cdce52f6-e049-4e1c-a025-2271305aa917/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i[919,932] [2023-11-19 04:18:31,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:18:31,258 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:18:31,272 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_cdce52f6-e049-4e1c-a025-2271305aa917/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i[919,932] [2023-11-19 04:18:31,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:18:31,341 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:18:31,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31 WrapperNode [2023-11-19 04:18:31,342 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:18:31,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:18:31,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:18:31,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:18:31,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,437 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-19 04:18:31,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:18:31,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:18:31,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:18:31,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:18:31,453 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:18:31,585 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:18:31,585 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:18:31,585 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:18:31,586 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (1/1) ... [2023-11-19 04:18:31,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:18:31,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:18:31,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:18:31,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:18:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:18:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:18:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:18:31,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:18:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:18:31,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:18:31,822 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:18:31,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:18:39,281 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:18:39,291 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:18:39,291 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:18:39,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:39 BoogieIcfgContainer [2023-11-19 04:18:39,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:18:39,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:18:39,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:18:39,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:18:39,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:18:30" (1/3) ... [2023-11-19 04:18:39,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c9bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:39, skipping insertion in model container [2023-11-19 04:18:39,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:18:31" (2/3) ... [2023-11-19 04:18:39,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29c9bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:18:39, skipping insertion in model container [2023-11-19 04:18:39,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:18:39" (3/3) ... [2023-11-19 04:18:39,307 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-25.i [2023-11-19 04:18:39,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:18:39,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:18:39,377 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:18:39,382 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;@75a96e7a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:18:39,383 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:18:39,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 04:18:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 04:18:39,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:39,405 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:39,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:39,410 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:39,411 INFO L85 PathProgramCache]: Analyzing trace with hash -941019790, now seen corresponding path program 1 times [2023-11-19 04:18:39,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:18:39,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470066323] [2023-11-19 04:18:39,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:39,425 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 04:18:39,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:18:39,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:39,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:18:40,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:18:40,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:18:40,933 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-19 04:18:40,933 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:18:40,934 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:18:40,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470066323] [2023-11-19 04:18:40,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470066323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:18:40,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:18:40,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:18:40,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332495129] [2023-11-19 04:18:40,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:18:40,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:18:40,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:18:40,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:18:40,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:18:40,978 INFO L87 Difference]: Start difference. First operand has 84 states, 59 states have (on average 1.4915254237288136) internal successors, (88), 60 states have internal predecessors, (88), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 04:18:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:18:41,017 INFO L93 Difference]: Finished difference Result 161 states and 280 transitions. [2023-11-19 04:18:41,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:18:41,019 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 151 [2023-11-19 04:18:41,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:18:41,029 INFO L225 Difference]: With dead ends: 161 [2023-11-19 04:18:41,029 INFO L226 Difference]: Without dead ends: 80 [2023-11-19 04:18:41,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 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 04:18:41,038 INFO L413 NwaCegarLoop]: 125 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, 125 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 04:18:41,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:18:41,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-19 04:18:41,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-19 04:18:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 56 states have internal predecessors, (81), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 04:18:41,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 125 transitions. [2023-11-19 04:18:41,098 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 125 transitions. Word has length 151 [2023-11-19 04:18:41,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:18:41,099 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 125 transitions. [2023-11-19 04:18:41,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 04:18:41,100 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 125 transitions. [2023-11-19 04:18:41,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 04:18:41,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:41,113 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:41,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:41,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:41,329 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:41,329 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:41,329 INFO L85 PathProgramCache]: Analyzing trace with hash 489901106, now seen corresponding path program 1 times [2023-11-19 04:18:41,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:18:41,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2120449676] [2023-11-19 04:18:41,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:41,331 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 04:18:41,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:18:41,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:41,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:18:42,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:18:42,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:18:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 04:18:45,997 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:18:45,998 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:18:45,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2120449676] [2023-11-19 04:18:45,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2120449676] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:18:45,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:18:45,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:18:45,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34403630] [2023-11-19 04:18:45,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:18:46,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:18:46,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:18:46,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:18:46,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:18:46,003 INFO L87 Difference]: Start difference. First operand 80 states and 125 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:18:46,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:18:46,846 INFO L93 Difference]: Finished difference Result 232 states and 365 transitions. [2023-11-19 04:18:46,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:18:46,847 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2023-11-19 04:18:46,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:18:46,852 INFO L225 Difference]: With dead ends: 232 [2023-11-19 04:18:46,853 INFO L226 Difference]: Without dead ends: 155 [2023-11-19 04:18:46,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:18:46,856 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 50 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:18:46,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 236 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 04:18:46,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2023-11-19 04:18:46,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 140. [2023-11-19 04:18:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 93 states have (on average 1.3655913978494623) internal successors, (127), 93 states have internal predecessors, (127), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 04:18:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 215 transitions. [2023-11-19 04:18:46,897 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 215 transitions. Word has length 151 [2023-11-19 04:18:46,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:18:46,898 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 215 transitions. [2023-11-19 04:18:46,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:18:46,899 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 215 transitions. [2023-11-19 04:18:46,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 04:18:46,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:46,902 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:46,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:18:47,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:47,113 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:47,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:47,114 INFO L85 PathProgramCache]: Analyzing trace with hash -2133185678, now seen corresponding path program 1 times [2023-11-19 04:18:47,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:18:47,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935311976] [2023-11-19 04:18:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:47,115 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 04:18:47,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:18:47,117 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:47,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:18:48,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:18:48,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:18:52,042 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 04:18:52,042 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:18:52,042 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:18:52,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935311976] [2023-11-19 04:18:52,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935311976] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:18:52,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:18:52,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:18:52,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007018307] [2023-11-19 04:18:52,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:18:52,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:18:52,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:18:52,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:18:52,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:18:52,047 INFO L87 Difference]: Start difference. First operand 140 states and 215 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:18:53,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:18:53,285 INFO L93 Difference]: Finished difference Result 410 states and 632 transitions. [2023-11-19 04:18:53,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:18:53,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2023-11-19 04:18:53,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:18:53,291 INFO L225 Difference]: With dead ends: 410 [2023-11-19 04:18:53,291 INFO L226 Difference]: Without dead ends: 273 [2023-11-19 04:18:53,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 149 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 04:18:53,295 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 50 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:18:53,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 258 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-19 04:18:53,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2023-11-19 04:18:53,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 270. [2023-11-19 04:18:53,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 177 states have (on average 1.3389830508474576) internal successors, (237), 177 states have internal predecessors, (237), 88 states have call successors, (88), 4 states have call predecessors, (88), 4 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-11-19 04:18:53,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 413 transitions. [2023-11-19 04:18:53,349 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 413 transitions. Word has length 151 [2023-11-19 04:18:53,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:18:53,351 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 413 transitions. [2023-11-19 04:18:53,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:18:53,351 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 413 transitions. [2023-11-19 04:18:53,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 04:18:53,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:53,354 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:53,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:53,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:53,579 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:53,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:53,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1672550036, now seen corresponding path program 1 times [2023-11-19 04:18:53,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:18:53,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911483649] [2023-11-19 04:18:53,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:53,581 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 04:18:53,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:18:53,583 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:53,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:18:54,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:18:54,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:18:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 04:18:58,215 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:18:58,215 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:18:58,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911483649] [2023-11-19 04:18:58,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911483649] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:18:58,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:18:58,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:18:58,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381496087] [2023-11-19 04:18:58,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:18:58,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:18:58,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:18:58,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:18:58,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:18:58,225 INFO L87 Difference]: Start difference. First operand 270 states and 413 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:18:59,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:18:59,408 INFO L93 Difference]: Finished difference Result 456 states and 697 transitions. [2023-11-19 04:18:59,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:18:59,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 151 [2023-11-19 04:18:59,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:18:59,413 INFO L225 Difference]: With dead ends: 456 [2023-11-19 04:18:59,413 INFO L226 Difference]: Without dead ends: 189 [2023-11-19 04:18:59,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:18:59,417 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 137 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:18:59,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 188 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 04:18:59,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2023-11-19 04:18:59,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 123. [2023-11-19 04:18:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 76 states have (on average 1.236842105263158) internal successors, (94), 76 states have internal predecessors, (94), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 04:18:59,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 182 transitions. [2023-11-19 04:18:59,459 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 182 transitions. Word has length 151 [2023-11-19 04:18:59,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:18:59,468 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 182 transitions. [2023-11-19 04:18:59,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:18:59,468 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 182 transitions. [2023-11-19 04:18:59,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 04:18:59,471 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:18:59,471 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:18:59,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:18:59,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:59,686 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:18:59,686 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:18:59,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1841048040, now seen corresponding path program 1 times [2023-11-19 04:18:59,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:18:59,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479213763] [2023-11-19 04:18:59,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:18:59,688 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 04:18:59,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:18:59,689 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:18:59,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:19:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:01,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:19:01,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:19:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 04:19:08,311 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:19:08,311 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:19:08,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479213763] [2023-11-19 04:19:08,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479213763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:19:08,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:19:08,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:19:08,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428152343] [2023-11-19 04:19:08,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:19:08,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:19:08,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:19:08,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:19:08,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:19:08,315 INFO L87 Difference]: Start difference. First operand 123 states and 182 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:19:12,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:19:12,034 INFO L93 Difference]: Finished difference Result 230 states and 341 transitions. [2023-11-19 04:19:12,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:19:12,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 152 [2023-11-19 04:19:12,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:19:12,050 INFO L225 Difference]: With dead ends: 230 [2023-11-19 04:19:12,050 INFO L226 Difference]: Without dead ends: 154 [2023-11-19 04:19:12,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:19:12,052 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 114 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:19:12,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 381 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-19 04:19:12,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-19 04:19:12,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 135. [2023-11-19 04:19:12,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 88 states have internal predecessors, (113), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 04:19:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 201 transitions. [2023-11-19 04:19:12,081 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 201 transitions. Word has length 152 [2023-11-19 04:19:12,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:19:12,081 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 201 transitions. [2023-11-19 04:19:12,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 4 states have internal predecessors, (45), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:19:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2023-11-19 04:19:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 04:19:12,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:19:12,085 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:19:12,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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)] Forceful destruction successful, exit code 0 [2023-11-19 04:19:12,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:19:12,313 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:19:12,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:19:12,313 INFO L85 PathProgramCache]: Analyzing trace with hash -829930790, now seen corresponding path program 1 times [2023-11-19 04:19:12,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:19:12,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358837164] [2023-11-19 04:19:12,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:19:12,314 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 04:19:12,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:19:12,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:19:12,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdce52f6-e049-4e1c-a025-2271305aa917/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 04:19:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:19:13,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 04:19:13,488 INFO L285 TraceCheckSpWp]: Computing forward predicates...