./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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_164bb62d-333b-485e-86b8-71b9a63f9891/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 da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:13:15,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:13:15,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:13:15,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:13:15,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:13:15,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:13:15,856 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:13:15,856 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:13:15,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:13:15,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:13:15,864 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:13:15,865 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:13:15,865 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:13:15,867 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:13:15,868 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:13:15,868 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:13:15,869 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:13:15,869 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:13:15,870 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:13:15,870 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:13:15,872 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:13:15,873 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:13:15,874 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:13:15,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:13:15,875 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:13:15,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:13:15,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:13:15,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:13:15,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:13:15,877 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:13:15,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:13:15,879 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:13:15,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:13:15,880 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:13:15,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:13:15,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:13:15,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:15,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:13:15,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:13:15,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:13:15,882 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:13:15,882 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:13:15,882 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:13:15,883 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:13:15,883 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:13:15,884 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_164bb62d-333b-485e-86b8-71b9a63f9891/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e [2023-11-19 04:13:16,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:13:16,183 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:13:16,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:13:16,188 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:13:16,188 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:13:16,189 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i [2023-11-19 04:13:19,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:19,707 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:19,707 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i [2023-11-19 04:13:19,718 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/data/9a4d8ea54/63381f0332c54d6ba41a8a4e79ad5dcb/FLAG4899b0f62 [2023-11-19 04:13:19,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/data/9a4d8ea54/63381f0332c54d6ba41a8a4e79ad5dcb [2023-11-19 04:13:19,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:19,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:19,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:19,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:19,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:19,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:19" (1/1) ... [2023-11-19 04:13:19,746 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@716357f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:19, skipping insertion in model container [2023-11-19 04:13:19,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:19" (1/1) ... [2023-11-19 04:13:19,776 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:19,920 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_164bb62d-333b-485e-86b8-71b9a63f9891/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2023-11-19 04:13:19,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:20,007 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:13:20,023 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_164bb62d-333b-485e-86b8-71b9a63f9891/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2023-11-19 04:13:20,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:20,120 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:13:20,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20 WrapperNode [2023-11-19 04:13:20,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:20,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:20,122 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:13:20,122 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:13:20,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,154 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,223 INFO L138 Inliner]: procedures = 29, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 463 [2023-11-19 04:13:20,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:20,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:13:20,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:13:20,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:13:20,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,245 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:13:20,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:13:20,306 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:13:20,306 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:13:20,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (1/1) ... [2023-11-19 04:13:20,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:20,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:20,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:13:20,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:13:20,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:13:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:13:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:13:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:13:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:13:20,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:13:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:13:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:13:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:13:20,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:13:20,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:13:20,522 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:13:20,525 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:13:21,368 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:13:22,151 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:13:22,152 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:13:22,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:22 BoogieIcfgContainer [2023-11-19 04:13:22,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:13:22,165 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:13:22,166 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:13:22,170 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:13:22,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:13:19" (1/3) ... [2023-11-19 04:13:22,171 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790c585d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:22, skipping insertion in model container [2023-11-19 04:13:22,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:20" (2/3) ... [2023-11-19 04:13:22,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@790c585d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:22, skipping insertion in model container [2023-11-19 04:13:22,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:22" (3/3) ... [2023-11-19 04:13:22,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-68.i [2023-11-19 04:13:22,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:13:22,198 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:13:22,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:13:22,249 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;@6bd26eed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:13:22,249 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:13:22,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:13:22,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-19 04:13:22,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:22,267 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:22,268 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:22,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:22,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1846951382, now seen corresponding path program 1 times [2023-11-19 04:13:22,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:13:22,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51413569] [2023-11-19 04:13:22,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:22,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:13:22,615 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:13:22,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068445625] [2023-11-19 04:13:22,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:22,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:13:22,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:22,619 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:13:22,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:13:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:13:24,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:13:26,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:13:26,711 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:13:26,714 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:13:26,715 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:13:26,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:26,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:13:26,930 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:13:26,934 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:13:27,030 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 04:13:27,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 04:13:27,035 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-19 04:13:27,036 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-19 04:13:27,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-19 04:13:27,037 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 04:13:27,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-19 04:13:27,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-19 04:13:27,038 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 04:13:27,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 04:13:27,039 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:13:27,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-19 04:13:27,040 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-19 04:13:27,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-19 04:13:27,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-19 04:13:27,041 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 04:13:27,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-19 04:13:27,042 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 04:13:27,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-19 04:13:27,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:13:27,043 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:13:27,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-19 04:13:27,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 04:13:27,044 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:13:27,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:13:27,045 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-19 04:13:27,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-19 04:13:27,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 04:13:27,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-19 04:13:27,046 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-19 04:13:27,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 04:13:27,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-19 04:13:27,047 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:13:27,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 04:13:27,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:13:27,048 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-19 04:13:27,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 04:13:27,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:13:27,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:13:27,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-19 04:13:27,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-19 04:13:27,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-19 04:13:27,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-19 04:13:27,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-19 04:13:27,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-19 04:13:27,051 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 04:13:27,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 04:13:27,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 04:13:27,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 04:13:27,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:13:27,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:13:27,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:13:27,053 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 04:13:27,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 04:13:27,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-19 04:13:27,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 04:13:27,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 04:13:27,055 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-19 04:13:27,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-19 04:13:27,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 04:13:27,056 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 04:13:27,057 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-19 04:13:27,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:13:27,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-19 04:13:27,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 04:13:27,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-19 04:13:27,061 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 04:13:27,061 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-19 04:13:27,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 04:13:27,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-19 04:13:27,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 04:13:27,064 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 04:13:27,065 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 04:13:27,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 04:13:27,066 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 04:13:27,067 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 04:13:27,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 04:13:27,068 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-19 04:13:27,069 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-19 04:13:27,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated [2023-11-19 04:13:27,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 04:13:27,071 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-19 04:13:27,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:13:27 BoogieIcfgContainer [2023-11-19 04:13:27,093 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:13:27,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:13:27,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:13:27,094 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:13:27,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:22" (3/4) ... [2023-11-19 04:13:27,098 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:13:27,101 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:13:27,103 INFO L158 Benchmark]: Toolchain (without parser) took 7365.31ms. Allocated memory was 123.7MB in the beginning and 205.5MB in the end (delta: 81.8MB). Free memory was 86.3MB in the beginning and 125.1MB in the end (delta: -38.8MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2023-11-19 04:13:27,104 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:13:27,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.55ms. Allocated memory is still 123.7MB. Free memory was 86.3MB in the beginning and 70.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:13:27,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.62ms. Allocated memory is still 123.7MB. Free memory was 70.9MB in the beginning and 67.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:13:27,108 INFO L158 Benchmark]: Boogie Preprocessor took 80.54ms. Allocated memory is still 123.7MB. Free memory was 67.2MB in the beginning and 63.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:13:27,110 INFO L158 Benchmark]: RCFGBuilder took 1856.27ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 63.7MB in the beginning and 98.1MB in the end (delta: -34.5MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2023-11-19 04:13:27,112 INFO L158 Benchmark]: TraceAbstraction took 4927.77ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 98.1MB in the beginning and 126.2MB in the end (delta: -28.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-19 04:13:27,113 INFO L158 Benchmark]: Witness Printer took 7.81ms. Allocated memory is still 205.5MB. Free memory was 126.2MB in the beginning and 125.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:13:27,117 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 123.7MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.55ms. Allocated memory is still 123.7MB. Free memory was 86.3MB in the beginning and 70.9MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.62ms. Allocated memory is still 123.7MB. Free memory was 70.9MB in the beginning and 67.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.54ms. Allocated memory is still 123.7MB. Free memory was 67.2MB in the beginning and 63.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1856.27ms. Allocated memory was 123.7MB in the beginning and 169.9MB in the end (delta: 46.1MB). Free memory was 63.7MB in the beginning and 98.1MB in the end (delta: -34.5MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * TraceAbstraction took 4927.77ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 98.1MB in the beginning and 126.2MB in the end (delta: -28.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Witness Printer took 7.81ms. Allocated memory is still 205.5MB. Free memory was 126.2MB in the beginning and 125.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem86 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] double double_Array_0[3] = { 999.8, 25.5, 9999999999999.729 }; [L28-L30] float float_Array_0[3] = { 32.375, 16.8, 64.5 }; [L31-L33] signed long int signed_long_int_Array_0[2][2] = { {10, 5}, {-10, 32} }; [L34-L36] signed short int signed_short_int_Array_0[2][2] = { {-25, -64}, {-8, 0} }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 0, 8 }; [L40] signed long int last_1_signed_long_int_Array_0_0__1_ = 5; [L41] signed short int last_1_signed_short_int_Array_0_0__0_ = -25; [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L104] EXPR signed_long_int_Array_0[0][1] [L104] last_1_signed_long_int_Array_0_0__1_ = signed_long_int_Array_0[0][1] [L105] EXPR signed_short_int_Array_0[0][0] [L105] last_1_signed_short_int_Array_0_0__0_ = signed_short_int_Array_0[0][0] [L115] RET updateLastVariables() [L116] CALL updateVariables() [L75] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L77] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L78] double_Array_0[0] = __VERIFIER_nondet_double() [L79] EXPR double_Array_0[0] [L79] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L79] EXPR double_Array_0[0] [L79] EXPR double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F [L79] EXPR (double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L79] CALL assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not((double_Array_0[0] >= 0.0F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L80] double_Array_0[2] = __VERIFIER_nondet_double() [L81] EXPR double_Array_0[2] [L81] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L81] EXPR double_Array_0[2] [L81] EXPR double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F [L81] EXPR (double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L81] CALL assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not((double_Array_0[2] >= 0.0F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 9223372.036854765600e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L82] float_Array_0[1] = __VERIFIER_nondet_float() [L83] EXPR float_Array_0[1] [L83] EXPR float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F [L83] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) [L83] EXPR float_Array_0[1] [L83] EXPR float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F [L83] EXPR float_Array_0[1] [L83] EXPR float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F [L83] EXPR (float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L83] CALL assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not((float_Array_0[1] >= 0.0F && float_Array_0[1] <= -1.0e-20F) || (float_Array_0[1] <= 9223372.036854776000e+12F && float_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L84] float_Array_0[2] = __VERIFIER_nondet_float() [L85] EXPR float_Array_0[2] [L85] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L85] EXPR float_Array_0[2] [L85] EXPR float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F [L85] EXPR (float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L85] CALL assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not((float_Array_0[2] >= 0.0F && float_Array_0[2] <= -1.0e-20F) || (float_Array_0[2] <= 9223372.036854776000e+12F && float_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L86] signed_long_int_Array_0[0][0] = __VERIFIER_nondet_long() [L87] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_long_int_Array_0[0][0] >= -2147483648) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L88] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_long_int_Array_0[0][0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L89] EXPR signed_long_int_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(signed_long_int_Array_0[0][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_long_int_Array_0[0][0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L90] signed_short_int_Array_0[1][0] = __VERIFIER_nondet_short() [L91] EXPR signed_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(signed_short_int_Array_0[1][0] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(signed_short_int_Array_0[1][0] >= -16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] EXPR signed_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L92] CALL assume_abort_if_not(signed_short_int_Array_0[1][0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(signed_short_int_Array_0[1][0] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L93] signed_short_int_Array_0[0][1] = __VERIFIER_nondet_short() [L94] EXPR signed_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L94] CALL assume_abort_if_not(signed_short_int_Array_0[0][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(signed_short_int_Array_0[0][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L95] EXPR signed_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L95] CALL assume_abort_if_not(signed_short_int_Array_0[0][1] <= 8192) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(signed_short_int_Array_0[0][1] <= 8192) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L96] signed_short_int_Array_0[1][1] = __VERIFIER_nondet_short() [L97] EXPR signed_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L97] CALL assume_abort_if_not(signed_short_int_Array_0[1][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(signed_short_int_Array_0[1][1] >= -8191) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L98] EXPR signed_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L98] CALL assume_abort_if_not(signed_short_int_Array_0[1][1] <= 8191) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(signed_short_int_Array_0[1][1] <= 8191) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L99] unsigned_long_int_Array_0[1] = __VERIFIER_nondet_ulong() [L100] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L100] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(unsigned_long_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L101] EXPR unsigned_long_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L101] CALL assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(unsigned_long_int_Array_0[1] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L116] RET updateVariables() [L117] CALL step() [L45] EXPR signed_long_int_Array_0[0][0] [L45] signed long int stepLocal_2 = signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_; [L46] BOOL_unsigned_char_Array_0[0] [L46] COND TRUE BOOL_unsigned_char_Array_0[0] [L47] COND TRUE last_1_signed_short_int_Array_0_0__0_ <= stepLocal_2 [L48] EXPR signed_short_int_Array_0[0][1] [L48] EXPR signed_short_int_Array_0[1][1] [L48] EXPR signed_short_int_Array_0[1][0] [L48] signed_short_int_Array_0[0][0] = ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]) [L55] EXPR signed_short_int_Array_0[0][0] [L55] EXPR signed_short_int_Array_0[0][1] [L55] signed_long_int_Array_0[0][1] = (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1]) [L56] EXPR unsigned_long_int_Array_0[1] [L56] unsigned_long_int_Array_0[0] = unsigned_long_int_Array_0[1] [L57] EXPR double_Array_0[0] [L57] float_Array_0[0] = double_Array_0[0] [L58] EXPR signed_long_int_Array_0[0][1] [L58] signed_long_int_Array_0[1][0] = signed_long_int_Array_0[0][1] [L59] EXPR signed_long_int_Array_0[0][1] [L59] signed long int stepLocal_1 = signed_long_int_Array_0[0][1]; [L60] EXPR signed_long_int_Array_0[1][0] [L60] COND FALSE !(stepLocal_1 != signed_long_int_Array_0[1][0]) [L63] EXPR unsigned_long_int_Array_0[0] [L63] EXPR signed_long_int_Array_0[1][0] [L63] unsigned long int stepLocal_0 = unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]; [L64] EXPR float_Array_0[2] [L64] EXPR float_Array_0[1] [L64] EXPR double_Array_0[1] [L64] COND TRUE (float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1] [L65] EXPR signed_short_int_Array_0[0][0] [L65] EXPR signed_long_int_Array_0[0][0] [L65] COND FALSE !(stepLocal_0 >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) [L117] RET step() [L118] CALL, EXPR property() [L108] EXPR float_Array_0[2] [L108] EXPR float_Array_0[1] [L108] EXPR double_Array_0[1] [L108] EXPR ((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1) [L108] EXPR BOOL_unsigned_char_Array_0[0] [L108] EXPR BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1 [L108] EXPR signed_long_int_Array_0[1][1] [L108] EXPR signed_long_int_Array_0[1][0] [L108] EXPR unsigned_long_int_Array_0[0] [L108] EXPR ((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]) [L108] EXPR unsigned_long_int_Array_0[0] [L108] EXPR ((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]) [L108] EXPR BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1 [L108] EXPR ((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1) [L108] EXPR (((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1) [L108] EXPR ((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) [L108] EXPR (((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1]))) [L108] EXPR ((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1])) [L108] EXPR (((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0])) [L108] EXPR ((((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_long_int_Array_0[1][0] == ((signed long int) signed_long_int_Array_0[0][1])) [L108-L109] return ((((((((float_Array_0[2] - float_Array_0[1]) >= double_Array_0[1]) ? (((unsigned_long_int_Array_0[0] + signed_long_int_Array_0[1][0]) >= (signed_short_int_Array_0[0][0] / signed_long_int_Array_0[0][0])) ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) < 0 ) ? -(signed_long_int_Array_0[1][0]) : (signed_long_int_Array_0[1][0]))))) : 1) : (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1][1] == ((signed long int) ((((signed_long_int_Array_0[1][0]) > (unsigned_long_int_Array_0[0])) ? (signed_long_int_Array_0[1][0]) : (unsigned_long_int_Array_0[0]))))) : 1)) && ((signed_long_int_Array_0[0][1] != signed_long_int_Array_0[1][0]) ? (double_Array_0[1] == ((double) (double_Array_0[2] - double_Array_0[0]))) : 1)) && (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_short_int_Array_0_0__0_ <= (signed_long_int_Array_0[0][0] + last_1_signed_long_int_Array_0_0__1_)) ? (signed_short_int_Array_0[0][0] == ((signed short int) ((signed_short_int_Array_0[0][1] + signed_short_int_Array_0[1][1]) + signed_short_int_Array_0[1][0]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1]))) : (signed_short_int_Array_0[0][0] == ((signed short int) signed_short_int_Array_0[1][1])))) && (signed_long_int_Array_0[0][1] == ((signed long int) (signed_short_int_Array_0[0][0] + signed_short_int_Array_0[0][1])))) && (unsigned_long_int_Array_0[0] == ((unsigned long int) unsigned_long_int_Array_0[1]))) && (float_Array_0[0] == ((float) double_Array_0[0]))) && (signed_long_int_Array_0[1][0] == ((signed long int) signed_long_int_Array_0[0][1])) ; [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_signed_long_int_Array_0_0__1_=5, last_1_signed_short_int_Array_0_0__0_=-25, signed_long_int_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:13:27,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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_164bb62d-333b-485e-86b8-71b9a63f9891/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 da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:13:30,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:13:30,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:13:30,181 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:13:30,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:13:30,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:13:30,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:13:30,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:13:30,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:13:30,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:13:30,239 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:13:30,239 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:13:30,240 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:13:30,240 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:13:30,241 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:13:30,241 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:13:30,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:13:30,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:13:30,244 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:13:30,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:13:30,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:13:30,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:13:30,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:13:30,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:13:30,247 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:13:30,248 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:13:30,248 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:13:30,249 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:13:30,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:13:30,249 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:13:30,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:13:30,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:13:30,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:13:30,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:30,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:13:30,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:13:30,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:13:30,253 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:13:30,253 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:13:30,254 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:13:30,255 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:13:30,255 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:13:30,255 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_164bb62d-333b-485e-86b8-71b9a63f9891/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da6ef4fc5dac50b4d28cdb6a2651e875027ea78107a6a98d77f5bcb3b6ca789e [2023-11-19 04:13:30,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:13:30,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:13:30,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:13:30,706 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:13:30,707 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:13:30,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i [2023-11-19 04:13:33,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:13:34,239 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:13:34,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i [2023-11-19 04:13:34,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/data/8cce6ae68/bd29d4518a6a4c2286d2c227c9d3a9bd/FLAGb63ba0cc1 [2023-11-19 04:13:34,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/data/8cce6ae68/bd29d4518a6a4c2286d2c227c9d3a9bd [2023-11-19 04:13:34,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:13:34,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:13:34,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:34,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:13:34,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:13:34,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:34,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c1e70b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34, skipping insertion in model container [2023-11-19 04:13:34,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:34,313 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:13:34,558 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_164bb62d-333b-485e-86b8-71b9a63f9891/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2023-11-19 04:13:34,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:34,728 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:13:34,743 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_164bb62d-333b-485e-86b8-71b9a63f9891/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-68.i[916,929] [2023-11-19 04:13:34,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:13:34,886 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:13:34,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34 WrapperNode [2023-11-19 04:13:34,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:13:34,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:34,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:13:34,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:13:34,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:34,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:35,001 INFO L138 Inliner]: procedures = 39, calls = 176, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 459 [2023-11-19 04:13:35,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:13:35,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:13:35,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:13:35,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:13:35,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:35,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:35,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:35,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:35,083 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:35,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:35,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:35,098 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:35,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:13:35,106 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:13:35,106 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:13:35,107 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:13:35,108 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (1/1) ... [2023-11-19 04:13:35,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:13:35,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:13:35,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:13:35,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:13:35,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:13:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 04:13:35,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 04:13:35,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 04:13:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 04:13:35,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:13:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 04:13:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 04:13:35,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 04:13:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:13:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 04:13:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 04:13:35,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 04:13:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:13:35,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:13:35,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:13:35,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:13:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 04:13:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 04:13:35,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:13:35,386 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:13:35,388 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:13:38,118 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:13:38,127 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:13:38,128 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:13:38,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:38 BoogieIcfgContainer [2023-11-19 04:13:38,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:13:38,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:13:38,135 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:13:38,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:13:38,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:13:34" (1/3) ... [2023-11-19 04:13:38,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328e6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:38, skipping insertion in model container [2023-11-19 04:13:38,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:13:34" (2/3) ... [2023-11-19 04:13:38,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@328e6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:13:38, skipping insertion in model container [2023-11-19 04:13:38,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:13:38" (3/3) ... [2023-11-19 04:13:38,141 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-68.i [2023-11-19 04:13:38,160 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:13:38,160 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:13:38,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:13:38,219 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;@1726ad2d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:13:38,219 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:13:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 95 states have internal predecessors, (133), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:13:38,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 04:13:38,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:38,242 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:38,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:38,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:38,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1855113070, now seen corresponding path program 1 times [2023-11-19 04:13:38,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:38,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19669768] [2023-11-19 04:13:38,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:38,264 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 04:13:38,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:38,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:38,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:39,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:13:39,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-19 04:13:39,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:39,061 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:39,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19669768] [2023-11-19 04:13:39,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19669768] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:39,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:39,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:13:39,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867842438] [2023-11-19 04:13:39,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:39,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:13:39,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:39,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:13:39,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:13:39,103 INFO L87 Difference]: Start difference. First operand has 114 states, 94 states have (on average 1.4148936170212767) internal successors, (133), 95 states have internal predecessors, (133), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:13:39,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:39,232 INFO L93 Difference]: Finished difference Result 221 states and 345 transitions. [2023-11-19 04:13:39,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:13:39,234 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2023-11-19 04:13:39,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:39,248 INFO L225 Difference]: With dead ends: 221 [2023-11-19 04:13:39,249 INFO L226 Difference]: Without dead ends: 110 [2023-11-19 04:13:39,254 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 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 04:13:39,258 INFO L413 NwaCegarLoop]: 160 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, 160 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 04:13:39,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:13:39,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-19 04:13:39,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-11-19 04:13:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 91 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:13:39,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 160 transitions. [2023-11-19 04:13:39,324 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 160 transitions. Word has length 146 [2023-11-19 04:13:39,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:39,325 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 160 transitions. [2023-11-19 04:13:39,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:13:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 160 transitions. [2023-11-19 04:13:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 04:13:39,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:39,330 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:39,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:39,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:39,535 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:39,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:39,536 INFO L85 PathProgramCache]: Analyzing trace with hash 835025800, now seen corresponding path program 1 times [2023-11-19 04:13:39,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:39,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1458360382] [2023-11-19 04:13:39,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:39,538 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 04:13:39,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:39,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:39,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:40,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:13:40,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-19 04:13:40,290 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:40,291 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:40,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1458360382] [2023-11-19 04:13:40,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1458360382] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:40,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:40,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:13:40,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137400455] [2023-11-19 04:13:40,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:40,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 04:13:40,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:40,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 04:13:40,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 04:13:40,301 INFO L87 Difference]: Start difference. First operand 110 states and 160 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:13:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:40,447 INFO L93 Difference]: Finished difference Result 223 states and 326 transitions. [2023-11-19 04:13:40,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 04:13:40,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 146 [2023-11-19 04:13:40,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:40,458 INFO L225 Difference]: With dead ends: 223 [2023-11-19 04:13:40,461 INFO L226 Difference]: Without dead ends: 116 [2023-11-19 04:13:40,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:13:40,465 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 10 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 468 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:40,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 468 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:13:40,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-19 04:13:40,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 112. [2023-11-19 04:13:40,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:13:40,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 162 transitions. [2023-11-19 04:13:40,501 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 162 transitions. Word has length 146 [2023-11-19 04:13:40,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:40,504 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 162 transitions. [2023-11-19 04:13:40,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:13:40,505 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 162 transitions. [2023-11-19 04:13:40,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 04:13:40,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:40,512 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:40,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:40,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:40,719 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:40,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:40,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1783077766, now seen corresponding path program 1 times [2023-11-19 04:13:40,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:40,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156763049] [2023-11-19 04:13:40,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:40,721 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 04:13:40,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:40,727 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:40,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:41,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:13:41,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:41,414 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:13:41,415 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:41,415 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:41,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156763049] [2023-11-19 04:13:41,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156763049] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:41,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:41,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:13:41,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43495624] [2023-11-19 04:13:41,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:41,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:13:41,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:41,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:13:41,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:13:41,424 INFO L87 Difference]: Start difference. First operand 112 states and 162 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:13:41,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:41,579 INFO L93 Difference]: Finished difference Result 241 states and 350 transitions. [2023-11-19 04:13:41,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:13:41,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2023-11-19 04:13:41,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:41,587 INFO L225 Difference]: With dead ends: 241 [2023-11-19 04:13:41,587 INFO L226 Difference]: Without dead ends: 132 [2023-11-19 04:13:41,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:13:41,589 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 58 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:41,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 656 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:13:41,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-19 04:13:41,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 115. [2023-11-19 04:13:41,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 96 states have internal predecessors, (131), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:13:41,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 165 transitions. [2023-11-19 04:13:41,603 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 165 transitions. Word has length 146 [2023-11-19 04:13:41,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:41,604 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 165 transitions. [2023-11-19 04:13:41,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:13:41,605 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 165 transitions. [2023-11-19 04:13:41,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 04:13:41,607 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:41,607 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:41,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:41,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:41,823 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:41,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:41,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1733707370, now seen corresponding path program 1 times [2023-11-19 04:13:41,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:41,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [554555121] [2023-11-19 04:13:41,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:41,825 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 04:13:41,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:41,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:41,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:42,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:13:42,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:13:42,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:42,501 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:42,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [554555121] [2023-11-19 04:13:42,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [554555121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:42,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:42,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:13:42,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17619922] [2023-11-19 04:13:42,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:42,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:13:42,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:42,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:13:42,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:13:42,504 INFO L87 Difference]: Start difference. First operand 115 states and 165 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:13:42,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:42,610 INFO L93 Difference]: Finished difference Result 247 states and 356 transitions. [2023-11-19 04:13:42,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:13:42,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 146 [2023-11-19 04:13:42,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:42,613 INFO L225 Difference]: With dead ends: 247 [2023-11-19 04:13:42,614 INFO L226 Difference]: Without dead ends: 135 [2023-11-19 04:13:42,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:13:42,616 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 55 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:42,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 661 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:13:42,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-19 04:13:42,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 116. [2023-11-19 04:13:42,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 97 states have (on average 1.3608247422680413) internal successors, (132), 97 states have internal predecessors, (132), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:13:42,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 166 transitions. [2023-11-19 04:13:42,629 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 166 transitions. Word has length 146 [2023-11-19 04:13:42,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:42,630 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 166 transitions. [2023-11-19 04:13:42,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:13:42,630 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 166 transitions. [2023-11-19 04:13:42,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-19 04:13:42,633 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:42,633 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:42,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:42,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:42,851 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:42,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:42,851 INFO L85 PathProgramCache]: Analyzing trace with hash -861623189, now seen corresponding path program 1 times [2023-11-19 04:13:42,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:42,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823347490] [2023-11-19 04:13:42,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:42,853 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 04:13:42,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:42,856 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:42,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:43,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:13:43,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:43,554 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:13:43,554 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:43,555 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:43,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [823347490] [2023-11-19 04:13:43,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [823347490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:43,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:43,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:13:43,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330732146] [2023-11-19 04:13:43,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:43,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:13:43,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:43,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:13:43,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:13:43,558 INFO L87 Difference]: Start difference. First operand 116 states and 166 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:13:43,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:43,676 INFO L93 Difference]: Finished difference Result 256 states and 368 transitions. [2023-11-19 04:13:43,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:13:43,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2023-11-19 04:13:43,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:43,679 INFO L225 Difference]: With dead ends: 256 [2023-11-19 04:13:43,679 INFO L226 Difference]: Without dead ends: 143 [2023-11-19 04:13:43,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:13:43,681 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 64 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:43,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 615 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:13:43,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-19 04:13:43,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 120. [2023-11-19 04:13:43,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 101 states have (on average 1.3465346534653466) internal successors, (136), 101 states have internal predecessors, (136), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:13:43,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 170 transitions. [2023-11-19 04:13:43,693 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 170 transitions. Word has length 148 [2023-11-19 04:13:43,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:43,694 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 170 transitions. [2023-11-19 04:13:43,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:13:43,695 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 170 transitions. [2023-11-19 04:13:43,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-19 04:13:43,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:43,697 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:43,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:43,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:43,912 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:43,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:43,913 INFO L85 PathProgramCache]: Analyzing trace with hash -160558611, now seen corresponding path program 1 times [2023-11-19 04:13:43,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:43,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [858818728] [2023-11-19 04:13:43,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:43,914 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 04:13:43,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:43,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:43,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:44,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:13:44,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:44,641 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:13:44,641 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:44,641 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:44,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [858818728] [2023-11-19 04:13:44,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [858818728] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:44,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:44,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 04:13:44,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452630951] [2023-11-19 04:13:44,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:44,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 04:13:44,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:44,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 04:13:44,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:13:44,647 INFO L87 Difference]: Start difference. First operand 120 states and 170 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:13:45,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:45,237 INFO L93 Difference]: Finished difference Result 268 states and 380 transitions. [2023-11-19 04:13:45,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 04:13:45,238 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2023-11-19 04:13:45,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:45,240 INFO L225 Difference]: With dead ends: 268 [2023-11-19 04:13:45,240 INFO L226 Difference]: Without dead ends: 151 [2023-11-19 04:13:45,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-19 04:13:45,242 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 80 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:45,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 893 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 04:13:45,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2023-11-19 04:13:45,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 124. [2023-11-19 04:13:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.3333333333333333) internal successors, (140), 105 states have internal predecessors, (140), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:13:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 174 transitions. [2023-11-19 04:13:45,253 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 174 transitions. Word has length 148 [2023-11-19 04:13:45,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:45,253 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 174 transitions. [2023-11-19 04:13:45,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:13:45,254 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 174 transitions. [2023-11-19 04:13:45,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-19 04:13:45,256 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:45,256 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:45,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:45,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:45,471 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:45,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:45,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1614448751, now seen corresponding path program 1 times [2023-11-19 04:13:45,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:45,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1582742052] [2023-11-19 04:13:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:45,472 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:13:45,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:45,473 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:45,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 04:13:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:45,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:13:46,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:46,092 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:13:46,092 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:46,092 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:46,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1582742052] [2023-11-19 04:13:46,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1582742052] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:46,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:46,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-19 04:13:46,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139760306] [2023-11-19 04:13:46,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:46,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 04:13:46,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:46,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 04:13:46,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:13:46,094 INFO L87 Difference]: Start difference. First operand 124 states and 174 transitions. Second operand has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:13:46,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:46,587 INFO L93 Difference]: Finished difference Result 273 states and 378 transitions. [2023-11-19 04:13:46,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-19 04:13:46,588 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 148 [2023-11-19 04:13:46,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:46,590 INFO L225 Difference]: With dead ends: 273 [2023-11-19 04:13:46,590 INFO L226 Difference]: Without dead ends: 152 [2023-11-19 04:13:46,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2023-11-19 04:13:46,592 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 67 mSDsluCounter, 881 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:46,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1030 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 04:13:46,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2023-11-19 04:13:46,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 126. [2023-11-19 04:13:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 107 states have (on average 1.3271028037383177) internal successors, (142), 107 states have internal predecessors, (142), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:13:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 176 transitions. [2023-11-19 04:13:46,600 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 176 transitions. Word has length 148 [2023-11-19 04:13:46,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:46,601 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 176 transitions. [2023-11-19 04:13:46,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-19 04:13:46,602 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 176 transitions. [2023-11-19 04:13:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-19 04:13:46,604 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:46,604 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:46,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:46,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:46,824 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:46,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:46,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1616295793, now seen corresponding path program 1 times [2023-11-19 04:13:46,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:46,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424281251] [2023-11-19 04:13:46,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:46,826 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 04:13:46,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:46,827 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:46,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 04:13:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:47,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:13:47,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:47,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:47,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2023-11-19 04:13:47,578 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-19 04:13:47,578 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:13:47,578 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:47,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424281251] [2023-11-19 04:13:47,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424281251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:13:47,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:13:47,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:13:47,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847549327] [2023-11-19 04:13:47,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:13:47,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 04:13:47,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:13:47,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 04:13:47,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:13:47,581 INFO L87 Difference]: Start difference. First operand 126 states and 176 transitions. Second operand has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:13:51,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:13:51,147 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2023-11-19 04:13:51,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 04:13:51,148 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2023-11-19 04:13:51,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:13:51,150 INFO L225 Difference]: With dead ends: 253 [2023-11-19 04:13:51,150 INFO L226 Difference]: Without dead ends: 130 [2023-11-19 04:13:51,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 04:13:51,152 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 173 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-19 04:13:51,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 449 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-19 04:13:51,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-19 04:13:51,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2023-11-19 04:13:51,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 105 states have (on average 1.3238095238095238) internal successors, (139), 105 states have internal predecessors, (139), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-19 04:13:51,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 173 transitions. [2023-11-19 04:13:51,162 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 173 transitions. Word has length 148 [2023-11-19 04:13:51,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:13:51,162 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 173 transitions. [2023-11-19 04:13:51,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-19 04:13:51,163 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 173 transitions. [2023-11-19 04:13:51,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 04:13:51,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:13:51,166 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:13:51,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-19 04:13:51,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:51,379 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:13:51,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:13:51,379 INFO L85 PathProgramCache]: Analyzing trace with hash 185011257, now seen corresponding path program 1 times [2023-11-19 04:13:51,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:13:51,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1225090156] [2023-11-19 04:13:51,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:51,380 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 04:13:51,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:13:51,381 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/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 04:13:51,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-19 04:13:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:51,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:13:51,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:13:52,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:52,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 64 [2023-11-19 04:13:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 168 proven. 8 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2023-11-19 04:13:52,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:13:52,653 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:13:52,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 1 [2023-11-19 04:13:52,661 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-19 04:13:52,661 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:13:52,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1225090156] [2023-11-19 04:13:52,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1225090156] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:13:52,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [538603302] [2023-11-19 04:13:52,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:13:52,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:13:52,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:13:52,665 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:13:52,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_164bb62d-333b-485e-86b8-71b9a63f9891/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-19 04:13:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:13:54,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 04:13:54,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:14:03,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 04:14:03,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 211 treesize of output 121 [2023-11-19 04:14:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-19 04:14:14,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:14:14,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [538603302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:14:14,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:14:14,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9, 8] total 15 [2023-11-19 04:14:14,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195523088] [2023-11-19 04:14:14,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:14:14,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:14:14,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:14:14,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:14:14,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2023-11-19 04:14:14,064 INFO L87 Difference]: Start difference. First operand 124 states and 173 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17)