./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/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_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/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_e88e775b-bd39-4856-aacd-054b35b1cb0f/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 f2879a931d1ed00e118c628fbfcb8bf4baeb28965dcae781e8eb9c674c5c0588 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:07,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:07,865 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:47:07,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:07,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:07,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:07,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:07,925 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:07,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:07,932 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:07,932 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:07,933 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:07,934 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:07,935 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:47:07,936 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:07,936 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:07,937 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:47:07,937 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:47:07,938 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:07,938 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:47:07,938 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:47:07,939 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:47:07,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:07,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:07,941 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:07,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:47:07,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:07,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:07,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:07,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:07,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:07,945 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:07,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:07,945 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:07,946 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:07,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:07,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:07,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:07,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:07,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:07,947 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:47:07,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:47:07,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:07,948 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:07,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:07,949 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_e88e775b-bd39-4856-aacd-054b35b1cb0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2879a931d1ed00e118c628fbfcb8bf4baeb28965dcae781e8eb9c674c5c0588 [2023-11-19 04:47:08,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:08,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:08,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:08,277 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:08,277 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:08,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i [2023-11-19 04:47:11,357 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:11,606 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:11,607 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i [2023-11-19 04:47:11,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/data/f96169c63/0b34020ae27e40eb94f3c534bc508b10/FLAG48148d7e7 [2023-11-19 04:47:11,642 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/data/f96169c63/0b34020ae27e40eb94f3c534bc508b10 [2023-11-19 04:47:11,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:11,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:11,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:11,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:11,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:11,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:11" (1/1) ... [2023-11-19 04:47:11,662 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0edacd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:11, skipping insertion in model container [2023-11-19 04:47:11,663 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:11" (1/1) ... [2023-11-19 04:47:11,699 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:11,879 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_e88e775b-bd39-4856-aacd-054b35b1cb0f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i[919,932] [2023-11-19 04:47:12,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:12,027 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:12,039 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_e88e775b-bd39-4856-aacd-054b35b1cb0f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i[919,932] [2023-11-19 04:47:12,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:12,089 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:12,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12 WrapperNode [2023-11-19 04:47:12,091 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:12,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:12,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:12,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:12,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,189 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233 [2023-11-19 04:47:12,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:12,190 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:12,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:12,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:12,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,208 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,268 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:12,275 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:12,275 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:12,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:12,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (1/1) ... [2023-11-19 04:47:12,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:12,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:12,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:12,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:12,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:47:12,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:47:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:47:12,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:12,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:12,527 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:12,529 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:13,026 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:13,506 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:13,507 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:47:13,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:13 BoogieIcfgContainer [2023-11-19 04:47:13,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:13,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:13,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:13,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:13,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:11" (1/3) ... [2023-11-19 04:47:13,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a527cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:13, skipping insertion in model container [2023-11-19 04:47:13,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:12" (2/3) ... [2023-11-19 04:47:13,526 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a527cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:13, skipping insertion in model container [2023-11-19 04:47:13,526 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:13" (3/3) ... [2023-11-19 04:47:13,527 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i [2023-11-19 04:47:13,547 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:13,548 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:47:13,613 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:13,622 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;@7bb4479c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:13,623 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:47:13,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 04:47:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-11-19 04:47:13,641 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:13,641 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:13,642 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:13,646 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:13,646 INFO L85 PathProgramCache]: Analyzing trace with hash 760226475, now seen corresponding path program 1 times [2023-11-19 04:47:13,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:47:13,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357413173] [2023-11-19 04:47:13,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:13,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:47:13,820 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:47:13,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1311025059] [2023-11-19 04:47:13,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:13,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:47:13,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:13,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:47:13,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:47:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:47:14,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:47:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:47:14,375 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:47:14,378 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:47:14,379 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:47:14,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:14,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:47:14,597 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:47:14,601 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:47:14,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:47:14 BoogieIcfgContainer [2023-11-19 04:47:14,735 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:47:14,736 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:47:14,736 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:47:14,736 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:47:14,737 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:13" (3/4) ... [2023-11-19 04:47:14,739 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:47:14,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:47:14,742 INFO L158 Benchmark]: Toolchain (without parser) took 3089.98ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 107.5MB in the beginning and 112.7MB in the end (delta: -5.1MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB. [2023-11-19 04:47:14,742 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:14,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.71ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 91.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:47:14,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.04ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 87.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:47:14,744 INFO L158 Benchmark]: Boogie Preprocessor took 83.90ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 84.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:47:14,745 INFO L158 Benchmark]: RCFGBuilder took 1238.01ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 84.9MB in the beginning and 97.1MB in the end (delta: -12.2MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-19 04:47:14,746 INFO L158 Benchmark]: TraceAbstraction took 1217.88ms. Allocated memory is still 180.4MB. Free memory was 97.1MB in the beginning and 112.7MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:14,746 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 180.4MB. Free memory is still 112.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:47:14,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 113.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.71ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 91.9MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.04ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 87.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.90ms. Allocated memory is still 142.6MB. Free memory was 87.5MB in the beginning and 84.9MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1238.01ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 84.9MB in the beginning and 97.1MB in the end (delta: -12.2MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1217.88ms. Allocated memory is still 180.4MB. Free memory was 97.1MB in the beginning and 112.7MB in the end (delta: -15.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 180.4MB. Free memory is still 112.7MB. 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 187, overapproximation of bitwiseOr at line 104, overapproximation of bitwiseAnd at line 86, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed long int var_1_11 = 4; [L31] unsigned short int var_1_14 = 10000; [L32] unsigned short int var_1_16 = 5; [L33] unsigned short int var_1_17 = 4; [L34] unsigned char var_1_18 = 100; [L35] unsigned char var_1_19 = 1; [L36] unsigned char var_1_20 = 8; [L37] double var_1_21 = 63.25; [L38] double var_1_22 = 1.5; [L39] unsigned char var_1_23 = 0; [L40] unsigned char var_1_24 = 0; [L41] unsigned char var_1_25 = 0; [L42] unsigned char var_1_26 = 0; [L43] signed long int var_1_27 = 0; [L44] signed short int var_1_29 = 2; [L45] unsigned char var_1_31 = 1; [L46] signed long int var_1_32 = 32; [L47] signed long int var_1_34 = 0; [L48] unsigned char var_1_37 = 1; [L49] unsigned long int var_1_38 = 16; [L50] unsigned char var_1_39 = 0; [L51] unsigned char var_1_40 = 0; [L52] double last_1_var_1_1 = 256.5; [L53] float last_1_var_1_8 = 5.25; [L54] signed long int last_1_var_1_11 = 4; [L55] unsigned short int last_1_var_1_14 = 10000; [L56] unsigned short int last_1_var_1_17 = 4; [L57] unsigned char last_1_var_1_18 = 100; [L191] isInitial = 1 [L192] FCALL initially() [L193] COND TRUE 1 [L194] CALL updateLastVariables() [L179] last_1_var_1_1 = var_1_1 [L180] last_1_var_1_8 = var_1_8 [L181] last_1_var_1_11 = var_1_11 [L182] last_1_var_1_14 = var_1_14 [L183] last_1_var_1_17 = var_1_17 [L184] last_1_var_1_18 = var_1_18 [L194] RET updateLastVariables() [L195] CALL updateVariables() [L142] var_1_2 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L144] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L145] var_1_3 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L147] var_1_4 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L149] var_1_5 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L151] var_1_7 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L153] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L154] var_1_16 = __VERIFIER_nondet_ushort() [L155] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L156] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L157] var_1_19 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L159] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L160] var_1_20 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L162] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=3/2, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L163] var_1_22 = __VERIFIER_nondet_double() [L164] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L165] var_1_24 = __VERIFIER_nondet_uchar() [L166] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L167] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L168] var_1_25 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L170] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L171] var_1_26 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L173] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=0, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L174] var_1_40 = __VERIFIER_nondet_uchar() [L175] CALL assume_abort_if_not(var_1_40 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_40 >= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L176] CALL assume_abort_if_not(var_1_40 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_40 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=0, var_1_17=4, var_1_18=100, var_1_19=28, var_1_1=513/2, var_1_20=0, var_1_21=253/4, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=3, var_1_5=6, var_1_6=-64, var_1_7=4, var_1_8=21/4] [L195] RET updateVariables() [L196] CALL step() [L61] COND FALSE !(\read(var_1_2)) [L70] var_1_17 = last_1_var_1_18 [L72] COND FALSE !(var_1_6 == var_1_18) [L75] COND FALSE !(var_1_14 < var_1_11) [L78] COND TRUE (- var_1_22) > var_1_1 [L79] COND FALSE !(var_1_1 >= var_1_22) [L82] var_1_34 = var_1_6 [L86] EXPR var_1_14 & var_1_17 [L86] EXPR (var_1_14 & var_1_17) & var_1_18 [L86] COND FALSE !(((((var_1_14) > (var_1_18)) ? (var_1_14) : (var_1_18))) <= ((var_1_14 & var_1_17) & var_1_18)) [L89] COND TRUE ! var_1_2 [L90] var_1_1 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))) [L94] COND TRUE var_1_5 > (var_1_3 / var_1_7) [L95] COND TRUE ! var_1_2 [L96] var_1_6 = -10 [L99] var_1_27 = var_1_17 [L100] COND FALSE !(var_1_18 < var_1_17) [L103] unsigned short int stepLocal_1 = var_1_16; [L104] EXPR var_1_6 | var_1_6 [L104] COND FALSE !((var_1_6 + (var_1_6 | var_1_6)) > stepLocal_1) [L107] var_1_29 = var_1_18 [L108] COND TRUE var_1_5 >= var_1_1 [L109] COND FALSE !(((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) [L112] var_1_14 = var_1_18 [L115] COND FALSE !(var_1_4 <= last_1_var_1_1) [L118] var_1_11 = (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))) [L120] var_1_21 = var_1_22 [L121] var_1_37 = (var_1_23 && var_1_25) [L122] signed long int stepLocal_0 = var_1_11; [L123] COND TRUE (var_1_14 * var_1_17) >= stepLocal_0 [L124] COND FALSE !(\read(var_1_2)) [L128] COND TRUE var_1_22 < (- var_1_8) [L129] COND FALSE !(\read(var_1_24)) [L132] var_1_23 = (var_1_25 || (! var_1_26)) [L135] COND FALSE !(var_1_18 < ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) [L196] RET step() [L197] CALL, EXPR property() [L187] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) [L187-L188] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L197] RET, EXPR property() [L197] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=-252, var_1_14=100, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=28, var_1_1=6, var_1_20=0, var_1_21=5, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=100, var_1_29=100, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=-64, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=3, var_1_5=6, var_1_6=-10, var_1_7=4, var_1_8=21/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=-252, var_1_14=100, var_1_16=0, var_1_17=100, var_1_18=100, var_1_19=28, var_1_1=6, var_1_20=0, var_1_21=5, var_1_22=5, var_1_23=0, var_1_24=0, var_1_25=0, var_1_26=1, var_1_27=100, var_1_29=100, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=-64, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=3, var_1_5=6, var_1_6=-10, var_1_7=4, var_1_8=21/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:47:14,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/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_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/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_e88e775b-bd39-4856-aacd-054b35b1cb0f/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 f2879a931d1ed00e118c628fbfcb8bf4baeb28965dcae781e8eb9c674c5c0588 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:47:17,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:47:17,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:47:17,706 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:47:17,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:47:17,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:47:17,751 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:47:17,752 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:47:17,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:47:17,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:47:17,755 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:47:17,756 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:47:17,756 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:47:17,757 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:47:17,757 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:47:17,758 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:47:17,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:47:17,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:47:17,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:47:17,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:47:17,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:47:17,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:47:17,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:47:17,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:47:17,762 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:47:17,763 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:47:17,763 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:47:17,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:47:17,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:47:17,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:47:17,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:47:17,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:47:17,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:47:17,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:17,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:47:17,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:47:17,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:47:17,768 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:47:17,768 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:47:17,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:47:17,770 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:47:17,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:47:17,770 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_e88e775b-bd39-4856-aacd-054b35b1cb0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2879a931d1ed00e118c628fbfcb8bf4baeb28965dcae781e8eb9c674c5c0588 [2023-11-19 04:47:18,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:47:18,216 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:47:18,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:47:18,220 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:47:18,221 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:47:18,222 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i [2023-11-19 04:47:21,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:47:21,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:47:21,939 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i [2023-11-19 04:47:21,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/data/581943e11/521d5b697eb1412fb85f1fdc27c1ace5/FLAG37abbda1f [2023-11-19 04:47:21,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/data/581943e11/521d5b697eb1412fb85f1fdc27c1ace5 [2023-11-19 04:47:21,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:47:21,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:47:21,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:21,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:47:21,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:47:21,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:21,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75de7bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:21, skipping insertion in model container [2023-11-19 04:47:21,994 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:47:21" (1/1) ... [2023-11-19 04:47:22,047 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:47:22,243 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_e88e775b-bd39-4856-aacd-054b35b1cb0f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i[919,932] [2023-11-19 04:47:22,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:22,381 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:47:22,398 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_e88e775b-bd39-4856-aacd-054b35b1cb0f/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i[919,932] [2023-11-19 04:47:22,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:47:22,503 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:47:22,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22 WrapperNode [2023-11-19 04:47:22,504 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:47:22,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:22,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:47:22,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:47:22,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,576 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-19 04:47:22,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:47:22,577 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:47:22,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:47:22,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:47:22,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:47:22,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:47:22,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:47:22,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:47:22,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (1/1) ... [2023-11-19 04:47:22,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:47:22,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:47:22,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:47:22,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:47:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:47:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:47:22,731 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:47:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:47:22,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:47:22,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:47:22,833 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:47:22,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:47:30,410 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:47:30,420 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:47:30,420 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:47:30,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:30 BoogieIcfgContainer [2023-11-19 04:47:30,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:47:30,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:47:30,427 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:47:30,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:47:30,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:47:21" (1/3) ... [2023-11-19 04:47:30,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fea71d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:30, skipping insertion in model container [2023-11-19 04:47:30,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:47:22" (2/3) ... [2023-11-19 04:47:30,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fea71d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:47:30, skipping insertion in model container [2023-11-19 04:47:30,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:47:30" (3/3) ... [2023-11-19 04:47:30,434 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-76.i [2023-11-19 04:47:30,454 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:47:30,454 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:47:30,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:47:30,512 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;@26c02a9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:47:30,513 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:47:30,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 04:47:30,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 04:47:30,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:30,550 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:30,551 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:30,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:30,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1719502369, now seen corresponding path program 1 times [2023-11-19 04:47:30,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:30,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666164547] [2023-11-19 04:47:30,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:30,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:47:30,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:30,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:47:30,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:47:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:31,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:47:31,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:31,705 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 314 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2023-11-19 04:47:31,706 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:31,707 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:31,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666164547] [2023-11-19 04:47:31,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666164547] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:31,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:31,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:47:31,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604566510] [2023-11-19 04:47:31,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:31,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:47:31,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:31,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:47:31,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:47:31,749 INFO L87 Difference]: Start difference. First operand has 80 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 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 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 04:47:31,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:31,786 INFO L93 Difference]: Finished difference Result 152 states and 266 transitions. [2023-11-19 04:47:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:47:31,788 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 149 [2023-11-19 04:47:31,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:31,797 INFO L225 Difference]: With dead ends: 152 [2023-11-19 04:47:31,797 INFO L226 Difference]: Without dead ends: 75 [2023-11-19 04:47:31,802 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:47:31,806 INFO L413 NwaCegarLoop]: 116 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, 116 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:31,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:47:31,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-19 04:47:31,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-19 04:47:31,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.411764705882353) internal successors, (72), 51 states have internal predecessors, (72), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 04:47:31,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 116 transitions. [2023-11-19 04:47:31,859 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 116 transitions. Word has length 149 [2023-11-19 04:47:31,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:31,860 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 116 transitions. [2023-11-19 04:47:31,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 04:47:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 116 transitions. [2023-11-19 04:47:31,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 04:47:31,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:31,865 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:31,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:32,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:47:32,083 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:32,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:32,084 INFO L85 PathProgramCache]: Analyzing trace with hash 92252521, now seen corresponding path program 1 times [2023-11-19 04:47:32,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:32,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033752770] [2023-11-19 04:47:32,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:32,086 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:47:32,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:32,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:47:32,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:47:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:33,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:47:33,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:35,606 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 04:47:35,606 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:35,606 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:35,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033752770] [2023-11-19 04:47:35,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1033752770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:35,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:35,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:47:35,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825121720] [2023-11-19 04:47:35,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:35,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:35,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:35,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:35,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:35,611 INFO L87 Difference]: Start difference. First operand 75 states and 116 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:47:37,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:47:39,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:47:40,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:40,067 INFO L93 Difference]: Finished difference Result 219 states and 342 transitions. [2023-11-19 04:47:40,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:47:40,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 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 149 [2023-11-19 04:47:40,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:40,073 INFO L225 Difference]: With dead ends: 219 [2023-11-19 04:47:40,073 INFO L226 Difference]: Without dead ends: 147 [2023-11-19 04:47:40,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:40,076 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 47 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:40,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 219 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 2 Unknown, 0 Unchecked, 4.4s Time] [2023-11-19 04:47:40,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-11-19 04:47:40,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145. [2023-11-19 04:47:40,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 98 states have internal predecessors, (138), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-19 04:47:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 226 transitions. [2023-11-19 04:47:40,124 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 226 transitions. Word has length 149 [2023-11-19 04:47:40,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:40,130 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 226 transitions. [2023-11-19 04:47:40,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:47:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 226 transitions. [2023-11-19 04:47:40,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-19 04:47:40,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:40,139 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:40,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:40,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:47:40,358 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:40,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:40,359 INFO L85 PathProgramCache]: Analyzing trace with hash -725395929, now seen corresponding path program 1 times [2023-11-19 04:47:40,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:40,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1576546495] [2023-11-19 04:47:40,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:40,361 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:47:40,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:40,362 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:47:40,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 04:47:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:41,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:47:41,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:46,160 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 04:47:46,161 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:46,161 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:46,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1576546495] [2023-11-19 04:47:46,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1576546495] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:46,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:46,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:47:46,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773363182] [2023-11-19 04:47:46,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:46,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:47:46,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:46,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:47:46,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:46,177 INFO L87 Difference]: Start difference. First operand 145 states and 226 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:47:48,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:47:49,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:47:49,039 INFO L93 Difference]: Finished difference Result 355 states and 557 transitions. [2023-11-19 04:47:49,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:47:49,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 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 149 [2023-11-19 04:47:49,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:47:49,045 INFO L225 Difference]: With dead ends: 355 [2023-11-19 04:47:49,046 INFO L226 Difference]: Without dead ends: 213 [2023-11-19 04:47:49,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:47:49,050 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 26 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-19 04:47:49,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 213 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2023-11-19 04:47:49,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2023-11-19 04:47:49,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 194. [2023-11-19 04:47:49,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 124 states have (on average 1.3629032258064515) internal successors, (169), 124 states have internal predecessors, (169), 66 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-19 04:47:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 301 transitions. [2023-11-19 04:47:49,124 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 301 transitions. Word has length 149 [2023-11-19 04:47:49,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:47:49,125 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 301 transitions. [2023-11-19 04:47:49,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:47:49,125 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 301 transitions. [2023-11-19 04:47:49,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 04:47:49,129 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:47:49,129 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:47:49,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:47:49,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:47:49,353 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:47:49,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:47:49,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1490982200, now seen corresponding path program 1 times [2023-11-19 04:47:49,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:47:49,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [84117511] [2023-11-19 04:47:49,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:47:49,355 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:47:49,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:47:49,362 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:47:49,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:47:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:47:50,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:47:50,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:47:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 04:47:54,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:47:54,658 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:47:54,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [84117511] [2023-11-19 04:47:54,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [84117511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:47:54,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:47:54,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:47:54,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131360395] [2023-11-19 04:47:54,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:47:54,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:47:54,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:47:54,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:47:54,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:47:54,663 INFO L87 Difference]: Start difference. First operand 194 states and 301 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:47:58,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:00,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:02,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:04,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:06,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:08,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:48:09,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:48:09,274 INFO L93 Difference]: Finished difference Result 555 states and 867 transitions. [2023-11-19 04:48:09,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 04:48:09,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 150 [2023-11-19 04:48:09,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:48:09,283 INFO L225 Difference]: With dead ends: 555 [2023-11-19 04:48:09,283 INFO L226 Difference]: Without dead ends: 413 [2023-11-19 04:48:09,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-11-19 04:48:09,287 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 237 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 47 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.5s IncrementalHoareTripleChecker+Time [2023-11-19 04:48:09,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 310 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 97 Invalid, 6 Unknown, 0 Unchecked, 14.5s Time] [2023-11-19 04:48:09,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2023-11-19 04:48:09,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 409. [2023-11-19 04:48:09,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 270 states have (on average 1.3925925925925926) internal successors, (376), 270 states have internal predecessors, (376), 132 states have call successors, (132), 6 states have call predecessors, (132), 6 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2023-11-19 04:48:09,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 640 transitions. [2023-11-19 04:48:09,366 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 640 transitions. Word has length 150 [2023-11-19 04:48:09,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:48:09,367 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 640 transitions. [2023-11-19 04:48:09,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-19 04:48:09,367 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 640 transitions. [2023-11-19 04:48:09,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 04:48:09,370 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:48:09,371 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:48:09,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:48:09,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:48:09,593 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:48:09,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:48:09,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1792867846, now seen corresponding path program 1 times [2023-11-19 04:48:09,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:48:09,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1072263567] [2023-11-19 04:48:09,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:48:09,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:48:09,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:48:09,595 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:48:09,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e88e775b-bd39-4856-aacd-054b35b1cb0f/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process