./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 8267cc1ef384a7bb76493ee53669d99b5071732652681ac7cf7900c0210cdb7c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:22:23,528 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:22:23,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:22:23,656 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:22:23,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:22:23,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:22:23,703 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:22:23,704 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:22:23,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:22:23,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:22:23,711 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:22:23,712 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:22:23,712 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:22:23,714 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:22:23,715 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:22:23,715 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:22:23,716 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:22:23,716 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:22:23,717 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:22:23,718 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:22:23,718 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:22:23,719 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:22:23,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:22:23,721 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:22:23,721 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:22:23,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:22:23,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:22:23,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:22:23,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:22:23,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:22:23,725 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:22:23,726 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:22:23,726 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:22:23,726 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:22:23,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:22:23,727 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:22:23,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:22:23,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:22:23,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:22:23,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:22:23,729 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:22:23,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:22:23,730 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:22:23,730 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:22:23,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:22:23,731 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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8267cc1ef384a7bb76493ee53669d99b5071732652681ac7cf7900c0210cdb7c [2023-11-19 05:22:24,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:22:24,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:22:24,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:22:24,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:22:24,102 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:22:24,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i [2023-11-19 05:22:27,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:22:27,450 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:22:27,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i [2023-11-19 05:22:27,462 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/data/5cf0cd1e0/53db9f4618bf4f329d09fd9be04cdaf1/FLAG8cf9a6750 [2023-11-19 05:22:27,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/data/5cf0cd1e0/53db9f4618bf4f329d09fd9be04cdaf1 [2023-11-19 05:22:27,480 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:22:27,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:22:27,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:22:27,483 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:22:27,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:22:27,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:27,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ee397d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27, skipping insertion in model container [2023-11-19 05:22:27,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:27,528 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:22:27,726 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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i[919,932] [2023-11-19 05:22:27,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:22:27,835 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:22:27,848 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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i[919,932] [2023-11-19 05:22:27,889 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:22:27,923 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:22:27,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27 WrapperNode [2023-11-19 05:22:27,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:22:27,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:22:27,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:22:27,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:22:27,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:27,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:28,043 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-19 05:22:28,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:22:28,044 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:22:28,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:22:28,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:22:28,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:28,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:28,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:28,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:28,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:28,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:28,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:28,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:28,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:22:28,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:22:28,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:22:28,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:22:28,126 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (1/1) ... [2023-11-19 05:22:28,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:22:28,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:22:28,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:22:28,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:22:28,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:22:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:22:28,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:22:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:22:28,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:22:28,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:22:28,356 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:22:28,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:22:28,841 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:22:29,216 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:22:29,216 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:22:29,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:29 BoogieIcfgContainer [2023-11-19 05:22:29,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:22:29,228 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:22:29,228 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:22:29,232 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:22:29,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:22:27" (1/3) ... [2023-11-19 05:22:29,235 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136afebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:29, skipping insertion in model container [2023-11-19 05:22:29,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:27" (2/3) ... [2023-11-19 05:22:29,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@136afebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:29, skipping insertion in model container [2023-11-19 05:22:29,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:29" (3/3) ... [2023-11-19 05:22:29,255 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i [2023-11-19 05:22:29,271 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:22:29,271 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:22:29,346 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:22:29,356 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;@5f2a4553, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:22:29,357 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:22:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:22:29,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-19 05:22:29,374 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:29,374 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:29,375 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:29,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:29,381 INFO L85 PathProgramCache]: Analyzing trace with hash 564868232, now seen corresponding path program 1 times [2023-11-19 05:22:29,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:22:29,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751660782] [2023-11-19 05:22:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:29,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:22:29,567 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:22:29,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1143278131] [2023-11-19 05:22:29,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:29,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:22:29,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:22:29,579 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:22:29,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:22:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:22:29,843 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:22:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:22:30,041 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:22:30,044 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:22:30,045 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:22:30,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:22:30,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:22:30,270 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:22:30,274 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:22:30,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:22:30 BoogieIcfgContainer [2023-11-19 05:22:30,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:22:30,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:22:30,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:22:30,378 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:22:30,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:29" (3/4) ... [2023-11-19 05:22:30,381 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:22:30,382 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:22:30,383 INFO L158 Benchmark]: Toolchain (without parser) took 2901.45ms. Allocated memory is still 190.8MB. Free memory was 160.1MB in the beginning and 112.4MB in the end (delta: 47.7MB). Peak memory consumption was 48.7MB. Max. memory is 16.1GB. [2023-11-19 05:22:30,384 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:22:30,384 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.51ms. Allocated memory is still 190.8MB. Free memory was 160.0MB in the beginning and 143.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:22:30,385 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.59ms. Allocated memory is still 190.8MB. Free memory was 143.5MB in the beginning and 155.9MB in the end (delta: -12.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:22:30,386 INFO L158 Benchmark]: Boogie Preprocessor took 79.95ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 153.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:22:30,386 INFO L158 Benchmark]: RCFGBuilder took 1097.63ms. Allocated memory is still 190.8MB. Free memory was 153.8MB in the beginning and 81.6MB in the end (delta: 72.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-11-19 05:22:30,387 INFO L158 Benchmark]: TraceAbstraction took 1148.99ms. Allocated memory is still 190.8MB. Free memory was 81.6MB in the beginning and 112.4MB in the end (delta: -30.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:22:30,387 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 190.8MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:22:30,391 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.51ms. Allocated memory is still 190.8MB. Free memory was 160.0MB in the beginning and 143.5MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.59ms. Allocated memory is still 190.8MB. Free memory was 143.5MB in the beginning and 155.9MB in the end (delta: -12.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.95ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 153.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1097.63ms. Allocated memory is still 190.8MB. Free memory was 153.8MB in the beginning and 81.6MB in the end (delta: 72.2MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1148.99ms. Allocated memory is still 190.8MB. Free memory was 81.6MB in the beginning and 112.4MB in the end (delta: -30.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 190.8MB. Free memory is still 112.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 180, overapproximation of shiftRight at line 110, overapproximation of someBinaryArithmeticDOUBLEoperation at line 98, overapproximation of bitwiseAnd at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 32; [L23] unsigned char var_1_4 = 0; [L24] unsigned short int var_1_8 = 32; [L25] signed long int var_1_9 = -16; [L26] unsigned short int var_1_10 = 5; [L27] unsigned char var_1_12 = 32; [L28] unsigned char var_1_13 = 1; [L29] unsigned char var_1_14 = 0; [L30] unsigned char var_1_15 = 0; [L31] double var_1_16 = 63.75; [L32] double var_1_17 = 8.5; [L33] signed short int var_1_18 = -64; [L34] unsigned char var_1_19 = 32; [L35] unsigned char var_1_23 = 16; [L36] signed short int var_1_24 = -1; [L37] signed short int var_1_25 = 2; [L38] unsigned char var_1_26 = 100; [L39] unsigned char var_1_29 = 128; [L40] unsigned char var_1_30 = 64; [L41] signed char var_1_31 = -1; [L42] unsigned short int var_1_32 = 100; [L43] unsigned long int var_1_33 = 0; [L44] float var_1_36 = 16.8; [L45] signed char var_1_38 = 0; [L46] signed long int var_1_39 = -4; [L47] unsigned short int var_1_40 = 256; [L48] signed long int last_1_var_1_1 = 32; [L49] unsigned char last_1_var_1_12 = 32; [L50] signed short int last_1_var_1_18 = -64; [L192] isInitial = 1 [L193] FCALL initially() [L194] COND TRUE 1 [L195] CALL updateLastVariables() [L183] last_1_var_1_1 = var_1_1 [L184] last_1_var_1_12 = var_1_12 [L185] last_1_var_1_18 = var_1_18 [L195] RET updateLastVariables() [L196] CALL updateVariables() [L148] var_1_4 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_8=32, var_1_9=-16] [L150] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=-16] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=-16] [L151] var_1_9 = __VERIFIER_nondet_long() [L152] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L153] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L154] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=5, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L155] var_1_10 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L157] CALL assume_abort_if_not(var_1_10 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_10 <= 65534) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L158] var_1_13 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L160] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L161] var_1_15 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L163] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=17/2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L164] var_1_17 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=16, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L166] var_1_23 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L168] CALL assume_abort_if_not(var_1_23 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_23 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=2, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L169] var_1_25 = __VERIFIER_nondet_short() [L170] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L171] CALL assume_abort_if_not(var_1_25 <= 9) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_25 <= 9) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=128, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L172] var_1_29 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_29 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_29 >= 127) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L174] CALL assume_abort_if_not(var_1_29 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_29 <= 254) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=64, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L175] var_1_30 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_30 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_30 >= 63) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L177] CALL assume_abort_if_not(var_1_30 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_30 <= 127) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=84/5, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L178] var_1_36 = __VERIFIER_nondet_float() [L179] CALL assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=3, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=3, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L180] CALL assume_abort_if_not(var_1_36 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=3, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_36 != 0.0F) VAL [isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=32, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=255/4, var_1_17=2, var_1_18=-64, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=-1, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=0, var_1_36=3, var_1_38=0, var_1_39=-4, var_1_40=256, var_1_4=0, var_1_8=32, var_1_9=64] [L196] RET updateVariables() [L197] CALL step() [L54] signed long int stepLocal_1 = last_1_var_1_18; [L55] signed long int stepLocal_0 = last_1_var_1_18; [L56] COND FALSE !(stepLocal_1 >= (last_1_var_1_18 / var_1_9)) [L63] var_1_8 = last_1_var_1_12 [L65] var_1_18 = var_1_8 [L66] COND TRUE var_1_10 < var_1_18 [L67] COND FALSE !(last_1_var_1_12 <= (5 - last_1_var_1_12)) [L70] COND TRUE last_1_var_1_12 == var_1_8 [L71] var_1_12 = var_1_13 [L77] unsigned short int stepLocal_2 = var_1_8; [L78] COND FALSE !(stepLocal_2 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) [L89] COND TRUE var_1_18 != var_1_12 [L90] COND FALSE !(\read(var_1_14)) [L94] COND FALSE !(\read(var_1_14)) [L101] COND FALSE !(\read(var_1_14)) [L104] var_1_16 = var_1_17 [L107] EXPR var_1_12 & var_1_1 [L107] COND FALSE !((var_1_12 & var_1_1) >= var_1_8) [L110] EXPR var_1_18 >> ((((var_1_25) < (1)) ? (var_1_25) : (1))) [L110] COND TRUE ((((var_1_12) < (25)) ? (var_1_12) : (25))) > (var_1_18 >> ((((var_1_25) < (1)) ? (var_1_25) : (1)))) [L111] COND FALSE !(var_1_8 >= var_1_23) [L114] var_1_24 = var_1_18 [L117] COND FALSE !(var_1_14 && var_1_14) [L120] COND FALSE !(\read(var_1_14)) [L125] COND FALSE !(var_1_14 && var_1_14) [L134] COND FALSE !(\read(var_1_14)) [L138] COND TRUE var_1_23 > var_1_1 [L139] COND TRUE ((((var_1_16) < ((var_1_16 / var_1_36))) ? (var_1_16) : ((var_1_16 / var_1_36)))) <= var_1_16 [L140] var_1_33 = (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) + (var_1_18 + var_1_30)) [L143] var_1_38 = var_1_25 [L144] var_1_39 = var_1_30 [L145] var_1_40 = var_1_30 [L197] RET step() [L198] CALL, EXPR property() [L188-L189] return ((((((var_1_18 != var_1_12) ? (var_1_14 ? (var_1_1 == ((signed long int) ((((((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) < (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18))))) ? (((((-5) > (var_1_12)) ? (-5) : (var_1_12)))) : (((((var_1_8) < (var_1_18)) ? (var_1_8) : (var_1_18)))))))) : 1) : 1) && ((last_1_var_1_18 >= (last_1_var_1_18 / var_1_9)) ? ((last_1_var_1_18 < (last_1_var_1_1 * 256)) ? (var_1_8 == ((unsigned short int) ((((last_1_var_1_12) < (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12))))) ? (last_1_var_1_12) : (((((128) < (last_1_var_1_12)) ? (128) : (last_1_var_1_12)))))))) : (var_1_8 == ((unsigned short int) last_1_var_1_12))) : (var_1_8 == ((unsigned short int) last_1_var_1_12)))) && ((var_1_10 < var_1_18) ? ((last_1_var_1_12 <= (5 - last_1_var_1_12)) ? (var_1_12 == ((unsigned char) var_1_13)) : ((last_1_var_1_12 == var_1_8) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) var_1_13)))) : 1)) && ((var_1_8 > (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) + var_1_12)) ? ((! (var_1_8 >= var_1_12)) ? (var_1_4 ? (var_1_14 == ((unsigned char) 0)) : (var_1_14 == ((unsigned char) var_1_15))) : (var_1_14 == ((unsigned char) var_1_15))) : 1)) && (var_1_14 ? (var_1_15 ? (var_1_16 == ((double) var_1_17)) : (var_1_16 == ((double) (((((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) > (var_1_17)) ? ((((((25.8) > (7.5)) ? (25.8) : (7.5))) - 50.25)) : (var_1_17)))))) : (var_1_14 ? (var_1_16 == ((double) 5.2)) : (var_1_16 == ((double) var_1_17))))) && (var_1_18 == ((signed short int) var_1_8)) ; [L198] RET, EXPR property() [L198] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=254, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=32, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=127, var_1_36=3, var_1_38=1, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=32, last_1_var_1_18=-64, last_1_var_1_1=32, var_1_10=0, var_1_12=254, var_1_13=254, var_1_14=0, var_1_15=0, var_1_16=2, var_1_17=2, var_1_18=32, var_1_19=32, var_1_1=32, var_1_23=254, var_1_24=32, var_1_25=1, var_1_26=100, var_1_29=127, var_1_30=63, var_1_31=-1, var_1_32=100, var_1_33=127, var_1_36=3, var_1_38=1, var_1_39=63, var_1_40=63, var_1_4=0, var_1_8=32, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 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 05:22:30,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 8267cc1ef384a7bb76493ee53669d99b5071732652681ac7cf7900c0210cdb7c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:22:33,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:22:33,267 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:22:33,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:22:33,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:22:33,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:22:33,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:22:33,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:22:33,329 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:22:33,334 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:22:33,335 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:22:33,335 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:22:33,336 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:22:33,338 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:22:33,338 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:22:33,338 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:22:33,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:22:33,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:22:33,341 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:22:33,342 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:22:33,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:22:33,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:22:33,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:22:33,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:22:33,345 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:22:33,345 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:22:33,345 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:22:33,346 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:22:33,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:22:33,347 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:22:33,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:22:33,348 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:22:33,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:22:33,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:22:33,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:22:33,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:22:33,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:22:33,350 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:22:33,351 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:22:33,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:22:33,352 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:22:33,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:22:33,353 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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8267cc1ef384a7bb76493ee53669d99b5071732652681ac7cf7900c0210cdb7c [2023-11-19 05:22:33,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:22:33,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:22:33,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:22:33,805 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:22:33,806 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:22:33,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i [2023-11-19 05:22:37,106 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:22:37,437 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:22:37,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i [2023-11-19 05:22:37,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/data/e635149f9/47be9b5453994f46a814ab0fed9320fd/FLAG14db98c09 [2023-11-19 05:22:37,469 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/data/e635149f9/47be9b5453994f46a814ab0fed9320fd [2023-11-19 05:22:37,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:22:37,477 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:22:37,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:22:37,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:22:37,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:22:37,487 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:37,488 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20c9427f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37, skipping insertion in model container [2023-11-19 05:22:37,488 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:37,539 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:22:37,744 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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i[919,932] [2023-11-19 05:22:37,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:22:37,845 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:22:37,857 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_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i[919,932] [2023-11-19 05:22:37,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:22:37,931 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:22:37,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37 WrapperNode [2023-11-19 05:22:37,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:22:37,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:22:37,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:22:37,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:22:37,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:37,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:38,005 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 176 [2023-11-19 05:22:38,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:22:38,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:22:38,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:22:38,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:22:38,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:38,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:38,035 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:38,035 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:38,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:38,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:38,070 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:38,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:38,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:22:38,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:22:38,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:22:38,084 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:22:38,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (1/1) ... [2023-11-19 05:22:38,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:22:38,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:22:38,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:22:38,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:22:38,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:22:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:22:38,186 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:22:38,186 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:22:38,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:22:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:22:38,303 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:22:38,305 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:22:43,462 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:22:43,473 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:22:43,473 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:22:43,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:43 BoogieIcfgContainer [2023-11-19 05:22:43,480 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:22:43,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:22:43,484 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:22:43,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:22:43,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:22:37" (1/3) ... [2023-11-19 05:22:43,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1388f1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:43, skipping insertion in model container [2023-11-19 05:22:43,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:22:37" (2/3) ... [2023-11-19 05:22:43,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1388f1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:22:43, skipping insertion in model container [2023-11-19 05:22:43,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:22:43" (3/3) ... [2023-11-19 05:22:43,493 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-89.i [2023-11-19 05:22:43,513 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:22:43,513 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:22:43,584 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:22:43,607 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;@36d692db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:22:43,607 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:22:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 56 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:22:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 05:22:43,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:43,630 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:43,631 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:43,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:43,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1721263815, now seen corresponding path program 1 times [2023-11-19 05:22:43,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:43,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [933608144] [2023-11-19 05:22:43,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:43,657 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 05:22:43,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:43,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:43,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:44,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:22:44,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:44,213 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-19 05:22:44,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:22:44,223 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:44,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [933608144] [2023-11-19 05:22:44,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [933608144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:44,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:44,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:22:44,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454413022] [2023-11-19 05:22:44,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:44,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:22:44,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:44,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:22:44,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:22:44,268 INFO L87 Difference]: Start difference. First operand has 80 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 56 states have internal predecessors, (85), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:22:44,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:44,304 INFO L93 Difference]: Finished difference Result 153 states and 274 transitions. [2023-11-19 05:22:44,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:22:44,306 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 146 [2023-11-19 05:22:44,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:44,315 INFO L225 Difference]: With dead ends: 153 [2023-11-19 05:22:44,315 INFO L226 Difference]: Without dead ends: 76 [2023-11-19 05:22:44,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:22:44,323 INFO L413 NwaCegarLoop]: 122 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, 122 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 05:22:44,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:22:44,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-11-19 05:22:44,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-11-19 05:22:44,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 52 states have (on average 1.5) internal successors, (78), 52 states have internal predecessors, (78), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 05:22:44,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 122 transitions. [2023-11-19 05:22:44,373 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 122 transitions. Word has length 146 [2023-11-19 05:22:44,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:44,373 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 122 transitions. [2023-11-19 05:22:44,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 05:22:44,374 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2023-11-19 05:22:44,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 05:22:44,377 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:44,378 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:44,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:44,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:44,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:44,588 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:44,589 INFO L85 PathProgramCache]: Analyzing trace with hash 924065927, now seen corresponding path program 1 times [2023-11-19 05:22:44,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:44,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2068504285] [2023-11-19 05:22:44,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:44,590 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 05:22:44,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:44,592 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:44,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:45,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:22:45,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:22:45,171 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:22:45,171 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:45,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2068504285] [2023-11-19 05:22:45,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2068504285] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:45,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:45,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:45,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995441742] [2023-11-19 05:22:45,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:45,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:45,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:45,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:45,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:45,179 INFO L87 Difference]: Start difference. First operand 76 states and 122 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:22:45,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:45,721 INFO L93 Difference]: Finished difference Result 216 states and 348 transitions. [2023-11-19 05:22:45,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:45,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2023-11-19 05:22:45,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:45,726 INFO L225 Difference]: With dead ends: 216 [2023-11-19 05:22:45,726 INFO L226 Difference]: Without dead ends: 143 [2023-11-19 05:22:45,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:45,729 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 99 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:45,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 292 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 05:22:45,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-19 05:22:45,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2023-11-19 05:22:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 92 states have internal predecessors, (130), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 05:22:45,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 218 transitions. [2023-11-19 05:22:45,785 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 218 transitions. Word has length 146 [2023-11-19 05:22:45,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:45,791 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 218 transitions. [2023-11-19 05:22:45,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:22:45,791 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 218 transitions. [2023-11-19 05:22:45,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 05:22:45,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:45,798 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:45,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:45,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:45,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:46,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:46,000 INFO L85 PathProgramCache]: Analyzing trace with hash 2142474439, now seen corresponding path program 1 times [2023-11-19 05:22:46,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:46,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454608338] [2023-11-19 05:22:46,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:46,002 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 05:22:46,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:46,003 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:46,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:46,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:22:46,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:22:46,416 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 05:22:46,416 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:22:46,417 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:22:46,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454608338] [2023-11-19 05:22:46,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454608338] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:22:46,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:22:46,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:22:46,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931803875] [2023-11-19 05:22:46,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:22:46,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:22:46,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:22:46,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:22:46,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:46,421 INFO L87 Difference]: Start difference. First operand 139 states and 218 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:22:47,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:22:47,031 INFO L93 Difference]: Finished difference Result 282 states and 444 transitions. [2023-11-19 05:22:47,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:22:47,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 146 [2023-11-19 05:22:47,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:22:47,039 INFO L225 Difference]: With dead ends: 282 [2023-11-19 05:22:47,039 INFO L226 Difference]: Without dead ends: 146 [2023-11-19 05:22:47,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:22:47,043 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 102 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:22:47,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 210 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 05:22:47,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2023-11-19 05:22:47,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 142. [2023-11-19 05:22:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 95 states have (on average 1.3578947368421053) internal successors, (129), 95 states have internal predecessors, (129), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 05:22:47,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 217 transitions. [2023-11-19 05:22:47,092 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 217 transitions. Word has length 146 [2023-11-19 05:22:47,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:22:47,096 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 217 transitions. [2023-11-19 05:22:47,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 05:22:47,098 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 217 transitions. [2023-11-19 05:22:47,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 05:22:47,106 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:22:47,107 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:22:47,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:47,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:47,316 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:22:47,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:22:47,316 INFO L85 PathProgramCache]: Analyzing trace with hash -377485495, now seen corresponding path program 1 times [2023-11-19 05:22:47,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:22:47,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [598445835] [2023-11-19 05:22:47,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:22:47,318 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 05:22:47,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:22:47,320 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:47,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d0fa668-6d47-4ac7-b860-503a3dc7b92d/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 05:22:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:22:47,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 05:22:47,669 INFO L285 TraceCheckSpWp]: Computing forward predicates...