./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/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_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/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_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/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 a08177a217967a14ae274e8c5e7353d301abaa21d3437088fff2fbb57c26aa06 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:12:06,858 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:12:06,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:12:06,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:12:06,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:12:07,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:12:07,008 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:12:07,008 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:12:07,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:12:07,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:12:07,011 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:12:07,011 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:12:07,012 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:12:07,013 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:12:07,013 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:12:07,014 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:12:07,015 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:12:07,015 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:12:07,035 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:12:07,036 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:12:07,037 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:12:07,037 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:12:07,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:12:07,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:12:07,039 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:12:07,040 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:12:07,040 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:12:07,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:12:07,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:12:07,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:12:07,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:12:07,042 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:12:07,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:12:07,043 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:12:07,043 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:12:07,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:12:07,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:12:07,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:12:07,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:12:07,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:12:07,045 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:12:07,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:12:07,046 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:12:07,046 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:12:07,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:12:07,047 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_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a08177a217967a14ae274e8c5e7353d301abaa21d3437088fff2fbb57c26aa06 [2023-11-19 05:12:07,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:12:07,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:12:07,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:12:07,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:12:07,401 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:12:07,404 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i [2023-11-19 05:12:11,065 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:12:11,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:12:11,342 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i [2023-11-19 05:12:11,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/data/0a71d7bd4/3bed07dc55784624be5ecf482ac7281c/FLAGf26aea80d [2023-11-19 05:12:11,384 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/data/0a71d7bd4/3bed07dc55784624be5ecf482ac7281c [2023-11-19 05:12:11,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:12:11,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:12:11,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:12:11,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:12:11,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:12:11,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:11,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48535bb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11, skipping insertion in model container [2023-11-19 05:12:11,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:11,465 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:12:11,682 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_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i[916,929] [2023-11-19 05:12:11,754 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:12:11,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:12:11,784 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_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i[916,929] [2023-11-19 05:12:11,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:12:11,907 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:12:11,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11 WrapperNode [2023-11-19 05:12:11,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:12:11,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:12:11,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:12:11,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:12:11,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:11,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:12,050 INFO L138 Inliner]: procedures = 29, calls = 132, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 389 [2023-11-19 05:12:12,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:12:12,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:12:12,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:12:12,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:12:12,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:12,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:12,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:12,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:12,102 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:12,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:12,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:12,116 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:12,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:12:12,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:12:12,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:12:12,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:12:12,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (1/1) ... [2023-11-19 05:12:12,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:12:12,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:12:12,168 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:12:12,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:12:12,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:12:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 05:12:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:12:12,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 05:12:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:12:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 05:12:12,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:12:12,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:12:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:12:12,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:12:12,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:12:12,381 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:12:12,384 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:12:12,985 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:12:13,969 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:12:13,970 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:12:13,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:13 BoogieIcfgContainer [2023-11-19 05:12:13,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:12:13,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:12:13,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:12:13,988 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:12:13,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:12:11" (1/3) ... [2023-11-19 05:12:13,989 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e60d2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:13, skipping insertion in model container [2023-11-19 05:12:13,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:11" (2/3) ... [2023-11-19 05:12:13,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e60d2f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:13, skipping insertion in model container [2023-11-19 05:12:13,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:13" (3/3) ... [2023-11-19 05:12:13,995 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-55.i [2023-11-19 05:12:14,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:12:14,016 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:12:14,079 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:12:14,091 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;@66838e13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:12:14,093 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:12:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:14,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 05:12:14,112 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:14,113 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:14,113 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:14,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:14,120 INFO L85 PathProgramCache]: Analyzing trace with hash 343348611, now seen corresponding path program 1 times [2023-11-19 05:12:14,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:14,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113067327] [2023-11-19 05:12:14,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:14,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:12:16,182 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:12:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:12:17,416 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:12:17,418 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:12:17,420 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:12:17,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:12:17,434 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:12:17,440 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:12:17,496 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem29 could not be translated [2023-11-19 05:12:17,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem29 could not be translated [2023-11-19 05:12:17,498 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 05:12:17,501 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-19 05:12:17,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-19 05:12:17,502 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-19 05:12:17,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-19 05:12:17,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-19 05:12:17,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-19 05:12:17,504 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-19 05:12:17,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 05:12:17,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-19 05:12:17,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-19 05:12:17,505 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 05:12:17,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 05:12:17,507 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-19 05:12:17,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 05:12:17,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-19 05:12:17,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-19 05:12:17,508 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-19 05:12:17,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-19 05:12:17,509 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-19 05:12:17,510 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:12:17,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-19 05:12:17,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 05:12:17,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-19 05:12:17,511 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 05:12:17,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-19 05:12:17,512 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:12:17,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 05:12:17,513 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-19 05:12:17,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-19 05:12:17,514 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-19 05:12:17,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-19 05:12:17,515 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-19 05:12:17,516 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-19 05:12:17,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:12:17,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-19 05:12:17,518 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:12:17,525 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 05:12:17,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-19 05:12:17,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:12:17,526 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:12:17,527 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-11-19 05:12:17,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 05:12:17,528 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 05:12:17,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 05:12:17,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 05:12:17,529 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 05:12:17,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-11-19 05:12:17,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-19 05:12:17,530 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 05:12:17,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-19 05:12:17,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:12:17,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-19 05:12:17,531 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:12:17,532 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:12:17,533 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-11-19 05:12:17,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-19 05:12:17,534 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-11-19 05:12:17,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-19 05:12:17,535 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 05:12:17,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-19 05:12:17,536 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 05:12:17,537 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:12:17,539 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-19 05:12:17,540 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:12:17,542 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 05:12:17,543 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:12:17,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-19 05:12:17,544 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:12:17,546 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-19 05:12:17,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:12:17 BoogieIcfgContainer [2023-11-19 05:12:17,581 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:12:17,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:12:17,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:12:17,582 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:12:17,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:13" (3/4) ... [2023-11-19 05:12:17,585 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:12:17,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:12:17,590 INFO L158 Benchmark]: Toolchain (without parser) took 6192.53ms. Allocated memory was 159.4MB in the beginning and 266.3MB in the end (delta: 107.0MB). Free memory was 112.0MB in the beginning and 106.1MB in the end (delta: 5.9MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. [2023-11-19 05:12:17,590 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 159.4MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:12:17,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 514.49ms. Allocated memory is still 159.4MB. Free memory was 112.0MB in the beginning and 96.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:12:17,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 137.18ms. Allocated memory is still 159.4MB. Free memory was 96.1MB in the beginning and 92.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:12:17,596 INFO L158 Benchmark]: Boogie Preprocessor took 70.00ms. Allocated memory is still 159.4MB. Free memory was 92.5MB in the beginning and 89.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:12:17,600 INFO L158 Benchmark]: RCFGBuilder took 1854.12ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 89.3MB in the beginning and 151.3MB in the end (delta: -62.1MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2023-11-19 05:12:17,601 INFO L158 Benchmark]: TraceAbstraction took 3598.26ms. Allocated memory was 216.0MB in the beginning and 266.3MB in the end (delta: 50.3MB). Free memory was 150.3MB in the beginning and 106.1MB in the end (delta: 44.2MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. [2023-11-19 05:12:17,602 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 266.3MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:12:17,605 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 159.4MB. Free memory is still 127.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 514.49ms. Allocated memory is still 159.4MB. Free memory was 112.0MB in the beginning and 96.1MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 137.18ms. Allocated memory is still 159.4MB. Free memory was 96.1MB in the beginning and 92.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.00ms. Allocated memory is still 159.4MB. Free memory was 92.5MB in the beginning and 89.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1854.12ms. Allocated memory was 159.4MB in the beginning and 216.0MB in the end (delta: 56.6MB). Free memory was 89.3MB in the beginning and 151.3MB in the end (delta: -62.1MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3598.26ms. Allocated memory was 216.0MB in the beginning and 266.3MB in the end (delta: 50.3MB). Free memory was 150.3MB in the beginning and 106.1MB in the end (delta: 44.2MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 266.3MB. Free memory is still 106.1MB. 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~mem29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 116, overapproximation of shiftRight at line 79, overapproximation of someBinaryArithmeticDOUBLEoperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 116. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 10, 0, 0, 256.75, 63.5, 1.8, 0.25, 16.5, -5, 128, 4.6, 500, 2, 100 }; [L55] signed long int last_1_WrapperStruct00_var_1_12 = -5; [L56] unsigned char last_1_WrapperStruct00_var_1_17 = 2; [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L112] EXPR WrapperStruct00.var_1_12 [L112] last_1_WrapperStruct00_var_1_12 = WrapperStruct00.var_1_12 [L113] EXPR WrapperStruct00.var_1_17 [L113] last_1_WrapperStruct00_var_1_17 = WrapperStruct00.var_1_17 [L123] RET updateLastVariables() [L124] CALL updateVariables() [L90] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L92] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L93] WrapperStruct00.var_1_5 = __VERIFIER_nondet_uchar() [L94] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L95] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L96] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L97] EXPR WrapperStruct00.var_1_8 [L97] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L97] EXPR WrapperStruct00.var_1_8 [L97] EXPR WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F [L97] EXPR (WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L97] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= 0.0F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L98] WrapperStruct00.var_1_9 = __VERIFIER_nondet_double() [L99] EXPR WrapperStruct00.var_1_9 [L99] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L99] EXPR WrapperStruct00.var_1_9 [L99] EXPR WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F [L99] EXPR (WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L99] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 0.0F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 2305843.009213691390e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L100] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_10 [L101] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_10 [L101] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L101] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L102] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L103] EXPR WrapperStruct00.var_1_11 [L103] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_11 [L103] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L103] EXPR (WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L104] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L105] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L106] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L106] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 255) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 255) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L107] WrapperStruct00.var_1_18 = __VERIFIER_nondet_uchar() [L108] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L108] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L109] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L124] RET updateVariables() [L125] CALL step() [L60] unsigned char stepLocal_1 = last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17; [L61] signed long int stepLocal_0 = last_1_WrapperStruct00_var_1_17; [L62] WrapperStruct00.var_1_2 [L62] COND FALSE !(WrapperStruct00.var_1_2) [L71] WrapperStruct00.var_1_1 = last_1_WrapperStruct00_var_1_17 [L73] WrapperStruct00.var_1_2 [L73] COND FALSE !(WrapperStruct00.var_1_2) [L76] EXPR WrapperStruct00.var_1_8 [L76] WrapperStruct00.var_1_15 = WrapperStruct00.var_1_8 [L77] EXPR WrapperStruct00.var_1_14 [L77] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_14 [L78] EXPR WrapperStruct00.var_1_18 [L78] WrapperStruct00.var_1_17 = WrapperStruct00.var_1_18 [L79] EXPR WrapperStruct00.var_1_1 [L79] EXPR -4 >> WrapperStruct00.var_1_1 [L79] EXPR WrapperStruct00.var_1_1 [L79] EXPR (((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1) [L79] EXPR WrapperStruct00.var_1_1 [L79] EXPR -4 >> WrapperStruct00.var_1_1 [L79] EXPR (((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1) [L79] signed long int stepLocal_3 = ((((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1)); [L80] EXPR WrapperStruct00.var_1_1 [L80] signed long int stepLocal_2 = WrapperStruct00.var_1_1 / -8; [L81] EXPR WrapperStruct00.var_1_17 [L81] COND TRUE (~ WrapperStruct00.var_1_17) <= stepLocal_3 [L82] EXPR WrapperStruct00.var_1_14 [L82] COND FALSE !((WrapperStruct00.var_1_14 - 64) < stepLocal_2) [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR WrapperStruct00.var_1_2 [L116] EXPR WrapperStruct00.var_1_2 ? (((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) && WrapperStruct00.var_1_5) ? ((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) ? (WrapperStruct00.var_1_1 == ((unsigned short int) 5)) : (WrapperStruct00.var_1_1 == ((unsigned short int) ((((25) < (last_1_WrapperStruct00_var_1_17)) ? (25) : (last_1_WrapperStruct00_var_1_17)))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned short int) last_1_WrapperStruct00_var_1_17)) [L116] EXPR WrapperStruct00.var_1_1 [L116] EXPR WrapperStruct00.var_1_2 ? (((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) && WrapperStruct00.var_1_5) ? ((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) ? (WrapperStruct00.var_1_1 == ((unsigned short int) 5)) : (WrapperStruct00.var_1_1 == ((unsigned short int) ((((25) < (last_1_WrapperStruct00_var_1_17)) ? (25) : (last_1_WrapperStruct00_var_1_17)))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned short int) last_1_WrapperStruct00_var_1_17)) [L116] EXPR (WrapperStruct00.var_1_2 ? (((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) && WrapperStruct00.var_1_5) ? ((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) ? (WrapperStruct00.var_1_1 == ((unsigned short int) 5)) : (WrapperStruct00.var_1_1 == ((unsigned short int) ((((25) < (last_1_WrapperStruct00_var_1_17)) ? (25) : (last_1_WrapperStruct00_var_1_17)))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned short int) last_1_WrapperStruct00_var_1_17))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11))) : 1) [L116] EXPR WrapperStruct00.var_1_2 [L116] EXPR WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11))) : 1 [L116] EXPR (WrapperStruct00.var_1_2 ? (((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) && WrapperStruct00.var_1_5) ? ((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) ? (WrapperStruct00.var_1_1 == ((unsigned short int) 5)) : (WrapperStruct00.var_1_1 == ((unsigned short int) ((((25) < (last_1_WrapperStruct00_var_1_17)) ? (25) : (last_1_WrapperStruct00_var_1_17)))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned short int) last_1_WrapperStruct00_var_1_17))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11))) : 1) [L116] EXPR ((WrapperStruct00.var_1_2 ? (((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) && WrapperStruct00.var_1_5) ? ((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) ? (WrapperStruct00.var_1_1 == ((unsigned short int) 5)) : (WrapperStruct00.var_1_1 == ((unsigned short int) ((((25) < (last_1_WrapperStruct00_var_1_17)) ? (25) : (last_1_WrapperStruct00_var_1_17)))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned short int) last_1_WrapperStruct00_var_1_17))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11))) : 1)) && (((~ WrapperStruct00.var_1_17) <= (((((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1)))) ? (((WrapperStruct00.var_1_14 - 64) < (WrapperStruct00.var_1_1 / -8)) ? (WrapperStruct00.var_1_12 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_14)))) [L116] EXPR WrapperStruct00.var_1_17 [L116] EXPR WrapperStruct00.var_1_1 [L116] EXPR -4 >> WrapperStruct00.var_1_1 [L116] EXPR WrapperStruct00.var_1_1 [L116] EXPR (((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1) [L116] EXPR WrapperStruct00.var_1_1 [L116] EXPR -4 >> WrapperStruct00.var_1_1 [L116] EXPR (((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1) [L116] EXPR ((~ WrapperStruct00.var_1_17) <= (((((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1)))) ? (((WrapperStruct00.var_1_14 - 64) < (WrapperStruct00.var_1_1 / -8)) ? (WrapperStruct00.var_1_12 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_14))) [L116] EXPR WrapperStruct00.var_1_12 [L116] EXPR WrapperStruct00.var_1_17 [L116] EXPR WrapperStruct00.var_1_14 [L116] EXPR ((~ WrapperStruct00.var_1_17) <= (((((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1)))) ? (((WrapperStruct00.var_1_14 - 64) < (WrapperStruct00.var_1_1 / -8)) ? (WrapperStruct00.var_1_12 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_14))) [L116] EXPR ((WrapperStruct00.var_1_2 ? (((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) && WrapperStruct00.var_1_5) ? ((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) ? (WrapperStruct00.var_1_1 == ((unsigned short int) 5)) : (WrapperStruct00.var_1_1 == ((unsigned short int) ((((25) < (last_1_WrapperStruct00_var_1_17)) ? (25) : (last_1_WrapperStruct00_var_1_17)))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned short int) last_1_WrapperStruct00_var_1_17))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11))) : 1)) && (((~ WrapperStruct00.var_1_17) <= (((((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1)))) ? (((WrapperStruct00.var_1_14 - 64) < (WrapperStruct00.var_1_1 / -8)) ? (WrapperStruct00.var_1_12 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_14)))) [L116] EXPR (((WrapperStruct00.var_1_2 ? (((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) && WrapperStruct00.var_1_5) ? ((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) ? (WrapperStruct00.var_1_1 == ((unsigned short int) 5)) : (WrapperStruct00.var_1_1 == ((unsigned short int) ((((25) < (last_1_WrapperStruct00_var_1_17)) ? (25) : (last_1_WrapperStruct00_var_1_17)))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned short int) last_1_WrapperStruct00_var_1_17))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11))) : 1)) && (((~ WrapperStruct00.var_1_17) <= (((((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1)))) ? (((WrapperStruct00.var_1_14 - 64) < (WrapperStruct00.var_1_1 / -8)) ? (WrapperStruct00.var_1_12 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_14))))) && (WrapperStruct00.var_1_15 == ((float) WrapperStruct00.var_1_8)) [L116] EXPR ((((WrapperStruct00.var_1_2 ? (((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) && WrapperStruct00.var_1_5) ? ((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) ? (WrapperStruct00.var_1_1 == ((unsigned short int) 5)) : (WrapperStruct00.var_1_1 == ((unsigned short int) ((((25) < (last_1_WrapperStruct00_var_1_17)) ? (25) : (last_1_WrapperStruct00_var_1_17)))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned short int) last_1_WrapperStruct00_var_1_17))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11))) : 1)) && (((~ WrapperStruct00.var_1_17) <= (((((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1)))) ? (((WrapperStruct00.var_1_14 - 64) < (WrapperStruct00.var_1_1 / -8)) ? (WrapperStruct00.var_1_12 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_14))))) && (WrapperStruct00.var_1_15 == ((float) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_16 == ((unsigned long int) WrapperStruct00.var_1_14)) [L116] EXPR (((((WrapperStruct00.var_1_2 ? (((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) && WrapperStruct00.var_1_5) ? ((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) ? (WrapperStruct00.var_1_1 == ((unsigned short int) 5)) : (WrapperStruct00.var_1_1 == ((unsigned short int) ((((25) < (last_1_WrapperStruct00_var_1_17)) ? (25) : (last_1_WrapperStruct00_var_1_17)))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned short int) last_1_WrapperStruct00_var_1_17))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11))) : 1)) && (((~ WrapperStruct00.var_1_17) <= (((((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1)))) ? (((WrapperStruct00.var_1_14 - 64) < (WrapperStruct00.var_1_1 / -8)) ? (WrapperStruct00.var_1_12 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_14))))) && (WrapperStruct00.var_1_15 == ((float) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_16 == ((unsigned long int) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_17 == ((unsigned char) WrapperStruct00.var_1_18)) [L116-L117] return (((((WrapperStruct00.var_1_2 ? (((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) && WrapperStruct00.var_1_5) ? ((last_1_WrapperStruct00_var_1_12 >= last_1_WrapperStruct00_var_1_17) ? (WrapperStruct00.var_1_1 == ((unsigned short int) 5)) : (WrapperStruct00.var_1_1 == ((unsigned short int) ((((25) < (last_1_WrapperStruct00_var_1_17)) ? (25) : (last_1_WrapperStruct00_var_1_17)))))) : 1) : (WrapperStruct00.var_1_1 == ((unsigned short int) last_1_WrapperStruct00_var_1_17))) && (WrapperStruct00.var_1_2 ? (WrapperStruct00.var_1_7 == ((double) (((WrapperStruct00.var_1_8 + WrapperStruct00.var_1_9) + WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11))) : 1)) && (((~ WrapperStruct00.var_1_17) <= (((((-4 >> WrapperStruct00.var_1_1)) < (WrapperStruct00.var_1_1)) ? ((-4 >> WrapperStruct00.var_1_1)) : (WrapperStruct00.var_1_1)))) ? (((WrapperStruct00.var_1_14 - 64) < (WrapperStruct00.var_1_1 / -8)) ? (WrapperStruct00.var_1_12 == ((signed long int) WrapperStruct00.var_1_1)) : 1) : (WrapperStruct00.var_1_12 == ((signed long int) (WrapperStruct00.var_1_17 - WrapperStruct00.var_1_14))))) && (WrapperStruct00.var_1_15 == ((float) WrapperStruct00.var_1_8))) && (WrapperStruct00.var_1_16 == ((unsigned long int) WrapperStruct00.var_1_14))) && (WrapperStruct00.var_1_17 == ((unsigned char) WrapperStruct00.var_1_18)) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_12=-5, last_1_WrapperStruct00_var_1_17=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 1, TraceHistogramMax: 12, 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=33occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:12:17,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/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_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/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_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/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 a08177a217967a14ae274e8c5e7353d301abaa21d3437088fff2fbb57c26aa06 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:12:20,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:12:21,076 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:12:21,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:12:21,096 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:12:21,162 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:12:21,163 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:12:21,164 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:12:21,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:12:21,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:12:21,172 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:12:21,173 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:12:21,174 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:12:21,176 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:12:21,176 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:12:21,177 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:12:21,178 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:12:21,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:12:21,180 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:12:21,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:12:21,182 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:12:21,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:12:21,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:12:21,184 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:12:21,184 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:12:21,185 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:12:21,185 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:12:21,186 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:12:21,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:12:21,187 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:12:21,189 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:12:21,189 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:12:21,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:12:21,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:12:21,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:12:21,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:12:21,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:12:21,191 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:12:21,192 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:12:21,193 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:12:21,194 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:12:21,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:12:21,194 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_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a08177a217967a14ae274e8c5e7353d301abaa21d3437088fff2fbb57c26aa06 [2023-11-19 05:12:21,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:12:21,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:12:21,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:12:21,677 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:12:21,678 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:12:21,680 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i [2023-11-19 05:12:25,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:12:25,414 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:12:25,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i [2023-11-19 05:12:25,429 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/data/5743a71ce/5f96ffd3ce744b76ba8bc12cc9358d3e/FLAG86f1f0004 [2023-11-19 05:12:25,451 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/data/5743a71ce/5f96ffd3ce744b76ba8bc12cc9358d3e [2023-11-19 05:12:25,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:12:25,460 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:12:25,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:12:25,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:12:25,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:12:25,474 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:12:25" (1/1) ... [2023-11-19 05:12:25,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55776f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:25, skipping insertion in model container [2023-11-19 05:12:25,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:12:25" (1/1) ... [2023-11-19 05:12:25,524 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:12:25,739 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_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i[916,929] [2023-11-19 05:12:25,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:12:25,867 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:12:25,895 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_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-55.i[916,929] [2023-11-19 05:12:25,971 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:12:26,014 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:12:26,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26 WrapperNode [2023-11-19 05:12:26,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:12:26,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:12:26,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:12:26,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:12:26,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,107 INFO L138 Inliner]: procedures = 39, calls = 132, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 373 [2023-11-19 05:12:26,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:12:26,108 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:12:26,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:12:26,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:12:26,119 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,170 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,174 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,178 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,185 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:12:26,186 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:12:26,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:12:26,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:12:26,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:12:26,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:12:26,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:12:26,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:12:26,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:12:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 05:12:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 05:12:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 05:12:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-19 05:12:26,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:12:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 05:12:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-19 05:12:26,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 05:12:26,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 05:12:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-19 05:12:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-19 05:12:26,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-19 05:12:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:12:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:12:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:12:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:12:26,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 05:12:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-19 05:12:26,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 05:12:26,459 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:12:26,460 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:12:29,701 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:12:29,711 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:12:29,711 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:12:29,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:29 BoogieIcfgContainer [2023-11-19 05:12:29,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:12:29,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:12:29,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:12:29,723 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:12:29,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:12:25" (1/3) ... [2023-11-19 05:12:29,724 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aa7067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:29, skipping insertion in model container [2023-11-19 05:12:29,724 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26" (2/3) ... [2023-11-19 05:12:29,725 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72aa7067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:29, skipping insertion in model container [2023-11-19 05:12:29,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:29" (3/3) ... [2023-11-19 05:12:29,727 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-55.i [2023-11-19 05:12:29,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:12:29,748 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:12:29,802 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:12:29,809 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;@5769b7af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:12:29,809 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:12:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:29,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 05:12:29,836 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:29,837 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:29,838 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:29,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:29,847 INFO L85 PathProgramCache]: Analyzing trace with hash -2007882332, now seen corresponding path program 1 times [2023-11-19 05:12:29,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:29,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [13962501] [2023-11-19 05:12:29,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:29,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:29,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:29,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:29,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:12:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:30,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:12:30,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2023-11-19 05:12:30,652 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:30,653 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:30,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [13962501] [2023-11-19 05:12:30,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [13962501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:30,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:30,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:12:30,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004537322] [2023-11-19 05:12:30,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:30,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:12:30,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:30,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:12:30,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:12:30,705 INFO L87 Difference]: Start difference. First operand has 99 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 05:12:30,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:30,737 INFO L93 Difference]: Finished difference Result 191 states and 298 transitions. [2023-11-19 05:12:30,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:12:30,739 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2023-11-19 05:12:30,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:30,751 INFO L225 Difference]: With dead ends: 191 [2023-11-19 05:12:30,751 INFO L226 Difference]: Without dead ends: 95 [2023-11-19 05:12:30,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:12:30,761 INFO L413 NwaCegarLoop]: 137 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, 137 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:30,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:12:30,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-19 05:12:30,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2023-11-19 05:12:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 81 states have internal predecessors, (113), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-11-19 05:12:30,812 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 113 [2023-11-19 05:12:30,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:30,813 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-19 05:12:30,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 05:12:30,813 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-19 05:12:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 05:12:30,817 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:30,817 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:30,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-19 05:12:31,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:31,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:31,033 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:31,033 INFO L85 PathProgramCache]: Analyzing trace with hash 104285460, now seen corresponding path program 1 times [2023-11-19 05:12:31,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:31,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [445715304] [2023-11-19 05:12:31,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:31,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:31,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:31,036 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:31,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:12:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:31,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:12:31,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:31,757 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 05:12:31,766 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:31,766 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:31,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [445715304] [2023-11-19 05:12:31,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [445715304] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:31,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:31,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:12:31,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221552527] [2023-11-19 05:12:31,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:31,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:12:31,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:31,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:12:31,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:12:31,773 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 05:12:31,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:31,901 INFO L93 Difference]: Finished difference Result 193 states and 280 transitions. [2023-11-19 05:12:31,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:12:31,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2023-11-19 05:12:31,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:31,905 INFO L225 Difference]: With dead ends: 193 [2023-11-19 05:12:31,905 INFO L226 Difference]: Without dead ends: 101 [2023-11-19 05:12:31,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:12:31,908 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 10 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:31,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 396 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:12:31,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-11-19 05:12:31,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2023-11-19 05:12:31,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 83 states have (on average 1.3855421686746987) internal successors, (115), 83 states have internal predecessors, (115), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:31,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-11-19 05:12:31,924 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 113 [2023-11-19 05:12:31,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:31,925 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-11-19 05:12:31,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 05:12:31,926 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-11-19 05:12:31,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 05:12:31,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:31,929 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:31,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:32,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:32,147 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:32,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:32,147 INFO L85 PathProgramCache]: Analyzing trace with hash 836252886, now seen corresponding path program 1 times [2023-11-19 05:12:32,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:32,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791106914] [2023-11-19 05:12:32,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:32,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:32,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:32,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:32,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 05:12:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:32,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:12:32,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:32,884 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 05:12:32,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:32,884 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:32,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791106914] [2023-11-19 05:12:32,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791106914] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:32,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:32,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:12:32,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540431917] [2023-11-19 05:12:32,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:32,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:12:32,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:32,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:12:32,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:12:32,888 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 05:12:33,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:33,179 INFO L93 Difference]: Finished difference Result 212 states and 305 transitions. [2023-11-19 05:12:33,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:12:33,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2023-11-19 05:12:33,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:33,187 INFO L225 Difference]: With dead ends: 212 [2023-11-19 05:12:33,190 INFO L226 Difference]: Without dead ends: 118 [2023-11-19 05:12:33,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:12:33,193 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 46 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:33,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 520 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:12:33,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-19 05:12:33,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 101. [2023-11-19 05:12:33,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.367816091954023) internal successors, (119), 87 states have internal predecessors, (119), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:33,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2023-11-19 05:12:33,223 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 113 [2023-11-19 05:12:33,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:33,226 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2023-11-19 05:12:33,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 05:12:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2023-11-19 05:12:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 05:12:33,232 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:33,233 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:33,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:33,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:33,449 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:33,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:33,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1516311256, now seen corresponding path program 1 times [2023-11-19 05:12:33,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:33,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911370393] [2023-11-19 05:12:33,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:33,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:33,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:33,458 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:33,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:12:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:34,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:12:34,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:34,171 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 05:12:34,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:34,171 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:34,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911370393] [2023-11-19 05:12:34,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911370393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:34,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:34,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:12:34,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170519284] [2023-11-19 05:12:34,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:34,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:12:34,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:34,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:12:34,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:12:34,175 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 05:12:34,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:34,826 INFO L93 Difference]: Finished difference Result 219 states and 310 transitions. [2023-11-19 05:12:34,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 05:12:34,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2023-11-19 05:12:34,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:34,831 INFO L225 Difference]: With dead ends: 219 [2023-11-19 05:12:34,831 INFO L226 Difference]: Without dead ends: 121 [2023-11-19 05:12:34,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:12:34,834 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 49 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:34,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 643 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 05:12:34,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-11-19 05:12:34,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 103. [2023-11-19 05:12:34,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.3595505617977528) internal successors, (121), 89 states have internal predecessors, (121), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 145 transitions. [2023-11-19 05:12:34,850 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 145 transitions. Word has length 113 [2023-11-19 05:12:34,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:34,851 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 145 transitions. [2023-11-19 05:12:34,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 05:12:34,851 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2023-11-19 05:12:34,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 05:12:34,854 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:34,854 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:34,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-19 05:12:35,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:35,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:35,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:35,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1003648678, now seen corresponding path program 1 times [2023-11-19 05:12:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:35,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23848062] [2023-11-19 05:12:35,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:35,067 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:35,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:35,070 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:35,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:12:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:35,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:12:35,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-19 05:12:35,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:35,798 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:35,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23848062] [2023-11-19 05:12:35,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [23848062] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:35,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:35,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 05:12:35,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383767030] [2023-11-19 05:12:35,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:35,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:12:35,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:35,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:12:35,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:12:35,803 INFO L87 Difference]: Start difference. First operand 103 states and 145 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 05:12:36,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:36,368 INFO L93 Difference]: Finished difference Result 222 states and 310 transitions. [2023-11-19 05:12:36,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-19 05:12:36,373 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 113 [2023-11-19 05:12:36,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:36,375 INFO L225 Difference]: With dead ends: 222 [2023-11-19 05:12:36,375 INFO L226 Difference]: Without dead ends: 122 [2023-11-19 05:12:36,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-19 05:12:36,380 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 40 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:36,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 759 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:12:36,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2023-11-19 05:12:36,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 105. [2023-11-19 05:12:36,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3516483516483517) internal successors, (123), 91 states have internal predecessors, (123), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:36,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 147 transitions. [2023-11-19 05:12:36,402 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 147 transitions. Word has length 113 [2023-11-19 05:12:36,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:36,403 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 147 transitions. [2023-11-19 05:12:36,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-19 05:12:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2023-11-19 05:12:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 05:12:36,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:36,409 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:36,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/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 05:12:36,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:36,613 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:36,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:36,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1001801636, now seen corresponding path program 1 times [2023-11-19 05:12:36,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:36,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804391989] [2023-11-19 05:12:36,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:36,615 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:36,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:36,616 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:36,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 05:12:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:37,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:12:37,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:37,561 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:37,562 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 173 treesize of output 65 [2023-11-19 05:12:37,661 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-19 05:12:37,666 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:37,666 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:37,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804391989] [2023-11-19 05:12:37,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [804391989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:37,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:37,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:12:37,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198063392] [2023-11-19 05:12:37,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:37,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:12:37,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:37,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:12:37,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:12:37,676 INFO L87 Difference]: Start difference. First operand 105 states and 147 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 05:12:40,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:43,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:44,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:44,352 INFO L93 Difference]: Finished difference Result 213 states and 300 transitions. [2023-11-19 05:12:44,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:12:44,353 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 113 [2023-11-19 05:12:44,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:44,355 INFO L225 Difference]: With dead ends: 213 [2023-11-19 05:12:44,355 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 05:12:44,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:12:44,357 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 131 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:44,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 392 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 146 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2023-11-19 05:12:44,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 05:12:44,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2023-11-19 05:12:44,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:44,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 146 transitions. [2023-11-19 05:12:44,383 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 146 transitions. Word has length 113 [2023-11-19 05:12:44,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:44,383 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 146 transitions. [2023-11-19 05:12:44,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 05:12:44,384 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 146 transitions. [2023-11-19 05:12:44,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 05:12:44,386 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:44,386 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:44,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:44,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:44,605 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:44,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:44,606 INFO L85 PathProgramCache]: Analyzing trace with hash -766924584, now seen corresponding path program 1 times [2023-11-19 05:12:44,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:44,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112232806] [2023-11-19 05:12:44,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:44,607 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:44,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:44,608 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:44,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-19 05:12:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:45,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:12:45,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:45,287 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 05:12:45,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:45,288 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:45,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112232806] [2023-11-19 05:12:45,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112232806] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:45,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:45,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:12:45,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381164745] [2023-11-19 05:12:45,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:45,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:12:45,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:45,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:12:45,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:12:45,291 INFO L87 Difference]: Start difference. First operand 105 states and 146 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 05:12:45,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:45,712 INFO L93 Difference]: Finished difference Result 211 states and 294 transitions. [2023-11-19 05:12:45,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 05:12:45,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 115 [2023-11-19 05:12:45,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:45,715 INFO L225 Difference]: With dead ends: 211 [2023-11-19 05:12:45,715 INFO L226 Difference]: Without dead ends: 107 [2023-11-19 05:12:45,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:12:45,717 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 7 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:45,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 566 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 05:12:45,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2023-11-19 05:12:45,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2023-11-19 05:12:45,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3296703296703296) internal successors, (121), 91 states have internal predecessors, (121), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 145 transitions. [2023-11-19 05:12:45,729 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 145 transitions. Word has length 115 [2023-11-19 05:12:45,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:45,730 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 145 transitions. [2023-11-19 05:12:45,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-19 05:12:45,730 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 145 transitions. [2023-11-19 05:12:45,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-19 05:12:45,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:45,732 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:45,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:45,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:45,948 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:45,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:45,949 INFO L85 PathProgramCache]: Analyzing trace with hash -2091780778, now seen corresponding path program 1 times [2023-11-19 05:12:45,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:45,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350163410] [2023-11-19 05:12:45,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:45,950 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:45,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:45,952 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:45,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 05:12:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:46,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:12:46,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:46,911 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:46,912 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 173 treesize of output 65 [2023-11-19 05:12:46,979 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-11-19 05:12:46,979 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:46,979 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:46,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350163410] [2023-11-19 05:12:46,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350163410] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:46,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:46,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:12:46,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873099730] [2023-11-19 05:12:46,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:46,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:12:46,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:46,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:12:46,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:12:46,983 INFO L87 Difference]: Start difference. First operand 105 states and 145 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 05:12:49,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:51,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:53,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:55,898 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:12:56,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:56,374 INFO L93 Difference]: Finished difference Result 213 states and 296 transitions. [2023-11-19 05:12:56,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:12:56,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 115 [2023-11-19 05:12:56,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:56,378 INFO L225 Difference]: With dead ends: 213 [2023-11-19 05:12:56,378 INFO L226 Difference]: Without dead ends: 111 [2023-11-19 05:12:56,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:12:56,381 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 121 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:56,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 384 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 3 Unknown, 0 Unchecked, 9.2s Time] [2023-11-19 05:12:56,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-19 05:12:56,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 105. [2023-11-19 05:12:56,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.3186813186813187) internal successors, (120), 91 states have internal predecessors, (120), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:56,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 144 transitions. [2023-11-19 05:12:56,409 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 144 transitions. Word has length 115 [2023-11-19 05:12:56,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:56,409 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 144 transitions. [2023-11-19 05:12:56,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 05:12:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 144 transitions. [2023-11-19 05:12:56,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-19 05:12:56,411 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:56,412 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:56,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:56,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:56,625 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:56,625 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:56,625 INFO L85 PathProgramCache]: Analyzing trace with hash 713823132, now seen corresponding path program 1 times [2023-11-19 05:12:56,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:12:56,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1940152140] [2023-11-19 05:12:56,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:56,626 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:12:56,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:12:56,628 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:12:56,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-19 05:12:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:57,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:12:57,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:57,650 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 05:12:57,651 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 173 treesize of output 65 [2023-11-19 05:12:57,711 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 05:12:57,711 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:57,711 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:12:57,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1940152140] [2023-11-19 05:12:57,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1940152140] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:57,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:57,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:12:57,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457244380] [2023-11-19 05:12:57,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:57,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:12:57,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:12:57,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:12:57,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:12:57,714 INFO L87 Difference]: Start difference. First operand 105 states and 144 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 05:13:00,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:13:02,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:13:04,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-19 05:13:06,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:06,014 INFO L93 Difference]: Finished difference Result 211 states and 291 transitions. [2023-11-19 05:13:06,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:13:06,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 117 [2023-11-19 05:13:06,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:06,017 INFO L225 Difference]: With dead ends: 211 [2023-11-19 05:13:06,017 INFO L226 Difference]: Without dead ends: 109 [2023-11-19 05:13:06,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-19 05:13:06,018 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 123 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:06,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 375 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 147 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2023-11-19 05:13:06,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-19 05:13:06,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 103. [2023-11-19 05:13:06,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.3146067415730338) internal successors, (117), 89 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:13:06,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 141 transitions. [2023-11-19 05:13:06,029 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 141 transitions. Word has length 117 [2023-11-19 05:13:06,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:06,029 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 141 transitions. [2023-11-19 05:13:06,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-19 05:13:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 141 transitions. [2023-11-19 05:13:06,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-19 05:13:06,032 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:13:06,032 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:06,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:06,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:06,249 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:13:06,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:13:06,250 INFO L85 PathProgramCache]: Analyzing trace with hash 899307348, now seen corresponding path program 1 times [2023-11-19 05:13:06,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:13:06,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [79799387] [2023-11-19 05:13:06,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:13:06,251 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:13:06,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:13:06,252 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:13:06,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c26f3262-1ce0-4ab2-8dc5-23617567c0e7/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process