./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire --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 8704873565888218432e3d3b7f73d0781675aeee092fa42edf4317a03a599861 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:14,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:14,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:19:14,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:14,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:14,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:14,609 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:14,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:14,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:14,611 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:14,612 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:14,612 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:14,613 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:14,614 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:19:14,614 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:14,615 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:14,615 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:19:14,616 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:19:14,617 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:14,617 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:19:14,618 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:19:14,619 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:19:14,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:14,620 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:14,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:14,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:19:14,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:14,623 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:14,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:14,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:14,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:14,625 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:14,625 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:14,626 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:14,626 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:14,626 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:14,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:14,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:14,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:14,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:14,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:14,629 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:19:14,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:19:14,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:14,630 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:14,630 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:14,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:14,630 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_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8704873565888218432e3d3b7f73d0781675aeee092fa42edf4317a03a599861 [2023-11-23 21:19:14,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:14,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:14,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:14,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:14,901 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:14,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i [2023-11-23 21:19:18,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:18,425 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:18,425 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i [2023-11-23 21:19:18,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/data/fe73a460c/cf705a0c36164a3f8d5b0295a57de6fa/FLAG32a41b57e [2023-11-23 21:19:18,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/data/fe73a460c/cf705a0c36164a3f8d5b0295a57de6fa [2023-11-23 21:19:18,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:18,459 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:18,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:18,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:18,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:18,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8f9e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18, skipping insertion in model container [2023-11-23 21:19:18,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,502 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:18,655 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_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i[919,932] [2023-11-23 21:19:18,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:18,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:18,758 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_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i[919,932] [2023-11-23 21:19:18,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:18,824 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:18,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18 WrapperNode [2023-11-23 21:19:18,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:18,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:18,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:18,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:18,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,861 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,919 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 218 [2023-11-23 21:19:18,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:18,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:18,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:18,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:18,943 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,993 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:18,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:19,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:19,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:19,012 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:19,012 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:19,013 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (1/1) ... [2023-11-23 21:19:19,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:19,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:19,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:19,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:19:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:19,259 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:19,262 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:19,799 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:20,237 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:20,237 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:19:20,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:20 BoogieIcfgContainer [2023-11-23 21:19:20,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:20,245 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:20,245 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:20,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:20,250 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:18" (1/3) ... [2023-11-23 21:19:20,252 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1c0796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:20, skipping insertion in model container [2023-11-23 21:19:20,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:18" (2/3) ... [2023-11-23 21:19:20,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c1c0796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:20, skipping insertion in model container [2023-11-23 21:19:20,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:20" (3/3) ... [2023-11-23 21:19:20,258 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i [2023-11-23 21:19:20,283 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:20,284 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:20,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:20,374 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;@1e610a54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:20,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 27 states have internal predecessors, (29), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:19:20,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-23 21:19:20,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:20,395 INFO L195 NwaCegarLoop]: trace histogram [33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:20,396 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:20,402 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:20,402 INFO L85 PathProgramCache]: Analyzing trace with hash 1143037943, now seen corresponding path program 1 times [2023-11-23 21:19:20,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:19:20,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992544639] [2023-11-23 21:19:20,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:20,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:19:20,635 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:19:20,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1495991990] [2023-11-23 21:19:20,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:20,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:19:20,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:20,639 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:19:20,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:19:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:21,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:19:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:19:21,311 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:19:21,314 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:19:21,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:19:21,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:19:21,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:19:21,537 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:19:21,541 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:19:21,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:19:21 BoogieIcfgContainer [2023-11-23 21:19:21,756 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:19:21,757 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:19:21,757 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:19:21,757 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:19:21,758 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:20" (3/4) ... [2023-11-23 21:19:21,760 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:19:21,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:19:21,763 INFO L158 Benchmark]: Toolchain (without parser) took 3303.67ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 92.6MB in the beginning and 136.4MB in the end (delta: -43.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-23 21:19:21,763 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:21,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.49ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 77.1MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:19:21,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.88ms. Allocated memory is still 132.1MB. Free memory was 77.1MB in the beginning and 73.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:19:21,765 INFO L158 Benchmark]: Boogie Preprocessor took 77.88ms. Allocated memory is still 132.1MB. Free memory was 73.5MB in the beginning and 71.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:19:21,773 INFO L158 Benchmark]: RCFGBuilder took 1228.97ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 71.4MB in the beginning and 102.9MB in the end (delta: -31.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2023-11-23 21:19:21,774 INFO L158 Benchmark]: TraceAbstraction took 1511.54ms. Allocated memory is still 178.3MB. Free memory was 101.9MB in the beginning and 136.4MB in the end (delta: -34.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-23 21:19:21,774 INFO L158 Benchmark]: Witness Printer took 4.47ms. Allocated memory is still 178.3MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:19:21,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.49ms. Allocated memory is still 132.1MB. Free memory was 92.3MB in the beginning and 77.1MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.88ms. Allocated memory is still 132.1MB. Free memory was 77.1MB in the beginning and 73.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.88ms. Allocated memory is still 132.1MB. Free memory was 73.5MB in the beginning and 71.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1228.97ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 71.4MB in the beginning and 102.9MB in the end (delta: -31.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1511.54ms. Allocated memory is still 178.3MB. Free memory was 101.9MB in the beginning and 136.4MB in the end (delta: -34.6MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Witness Printer took 4.47ms. Allocated memory is still 178.3MB. Free memory is still 136.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryArithmeticDOUBLEoperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryArithmeticFLOAToperation at line 73. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 32; [L23] unsigned char var_1_2 = 1; [L24] float var_1_4 = 7.8; [L25] signed short int var_1_6 = 16; [L26] signed short int var_1_7 = 256; [L27] float var_1_8 = 256.6; [L28] unsigned char var_1_9 = 50; [L29] unsigned char var_1_10 = 5; [L30] double var_1_11 = 127.75; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 1; [L33] unsigned char var_1_14 = 0; [L34] double var_1_15 = 15.2; [L35] double var_1_16 = 256.5; [L36] double var_1_17 = 256.5; [L37] double var_1_18 = 0.0; [L38] double var_1_19 = 9.7; [L39] unsigned long int var_1_20 = 10000000; [L40] unsigned long int var_1_21 = 4008920074; [L41] unsigned char var_1_23 = 0; [L42] unsigned char var_1_29 = 1; [L43] unsigned char var_1_30 = 0; [L44] signed long int var_1_31 = -32; [L45] float var_1_35 = 31.6; [L46] float var_1_36 = 99.85; [L47] float var_1_37 = 49.6; [L48] signed short int var_1_38 = -2; [L49] float var_1_40 = 7.2; [L50] float var_1_41 = 4.6; [L51] float var_1_42 = 4.1; [L52] signed short int var_1_43 = 25; [L53] signed long int var_1_44 = -2; [L54] signed short int last_1_var_1_1 = 32; [L55] unsigned char last_1_var_1_9 = 50; [L56] double last_1_var_1_11 = 127.75; [L57] double last_1_var_1_16 = 256.5; [L58] unsigned long int last_1_var_1_20 = 10000000; [L208] isInitial = 1 [L209] FCALL initially() [L210] COND TRUE 1 [L211] CALL updateLastVariables() [L197] last_1_var_1_1 = var_1_1 [L198] last_1_var_1_9 = var_1_9 [L199] last_1_var_1_11 = var_1_11 [L200] last_1_var_1_16 = var_1_16 [L201] last_1_var_1_20 = var_1_20 [L211] RET updateLastVariables() [L212] 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=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L144] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_4=39/5, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L145] var_1_4 = __VERIFIER_nondet_float() [L146] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L147] CALL assume_abort_if_not(var_1_4 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 != 0.0F) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=16, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L148] var_1_6 = __VERIFIER_nondet_short() [L149] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L150] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=256, var_1_8=1283/5, var_1_9=50] [L151] var_1_7 = __VERIFIER_nondet_short() [L152] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L153] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=5, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L154] var_1_10 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L156] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L157] var_1_12 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L159] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L160] var_1_13 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L162] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L163] var_1_14 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L165] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=76/5, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L166] var_1_15 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_17=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L168] var_1_17 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_18=0, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L170] var_1_18 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_19=97/10, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L172] var_1_19 = __VERIFIER_nondet_double() [L173] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=4008920074, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L174] var_1_21 = __VERIFIER_nondet_ulong() [L175] CALL assume_abort_if_not(var_1_21 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_21 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L176] CALL assume_abort_if_not(var_1_21 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_21 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L177] var_1_29 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L179] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L180] var_1_30 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L182] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_36=1997/20, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L183] var_1_36 = __VERIFIER_nondet_float() [L184] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_37=248/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L185] var_1_37 = __VERIFIER_nondet_float() [L186] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_41=23/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L187] var_1_41 = __VERIFIER_nondet_float() [L188] CALL assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not((var_1_41 >= 0.0F && var_1_41 <= -1.0e-20F) || (var_1_41 <= 9223372.036854765600e+12F && var_1_41 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_42=41/10, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L189] var_1_42 = __VERIFIER_nondet_float() [L190] CALL assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not((var_1_42 >= 0.0F && var_1_42 <= -1.0e-20F) || (var_1_42 <= 4611686.018427382800e+12F && var_1_42 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_43=25, var_1_44=-2, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L191] var_1_44 = __VERIFIER_nondet_long() [L192] CALL assume_abort_if_not(var_1_44 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_43=25, var_1_44=-1, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_44 >= -2147483647) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_43=25, var_1_44=-1, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L193] CALL assume_abort_if_not(var_1_44 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_43=25, var_1_44=-1, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_44 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_43=25, var_1_44=-1, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L194] CALL assume_abort_if_not(var_1_44 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_43=25, var_1_44=-1, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_44 != 0) VAL [isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=511/4, var_1_12=1, var_1_13=1, var_1_14=1, var_1_16=513/2, var_1_1=32, var_1_20=10000000, var_1_21=2147483647, var_1_23=0, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=-32, var_1_35=158/5, var_1_38=-2, var_1_40=36/5, var_1_43=25, var_1_44=-1, var_1_6=31, var_1_7=32, var_1_8=1283/5, var_1_9=50] [L212] RET updateVariables() [L213] CALL step() [L62] COND TRUE var_1_9 <= (var_1_1 + var_1_9) [L63] COND TRUE var_1_1 < var_1_9 [L64] var_1_23 = ((var_1_1 <= (~ var_1_1)) || var_1_29) [L69] COND TRUE var_1_9 != var_1_1 [L70] var_1_31 = ((((((var_1_1) > (var_1_9)) ? (var_1_1) : (var_1_9))) + var_1_9) - var_1_9) [L72] COND TRUE var_1_23 && var_1_29 [L73] var_1_35 = ((var_1_36 + var_1_37) - 2.75f) [L77] var_1_38 = var_1_9 [L78] COND FALSE !(\read(var_1_30)) [L85] COND FALSE !((var_1_9 * var_1_1) > (~ var_1_20)) [L91] COND FALSE !(((((var_1_9) < 0 ) ? -(var_1_9) : (var_1_9))) <= (2 / ((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))))) [L94] signed long int stepLocal_0 = (((var_1_7) < (last_1_var_1_1)) ? (var_1_7) : (last_1_var_1_1)); [L95] COND TRUE last_1_var_1_11 < (last_1_var_1_11 + last_1_var_1_16) [L96] COND TRUE stepLocal_0 > (var_1_6 * 1) [L97] var_1_9 = var_1_10 [L104] unsigned long int stepLocal_1 = last_1_var_1_20; [L105] COND FALSE !(((var_1_10 * last_1_var_1_9) + last_1_var_1_1) > stepLocal_1) [L108] COND TRUE (last_1_var_1_16 >= last_1_var_1_16) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14)) [L109] COND TRUE \read(var_1_2) [L110] var_1_11 = var_1_15 [L117] COND TRUE \read(var_1_13) [L118] var_1_20 = (((((var_1_9) > (128u)) ? (var_1_9) : (128u))) + var_1_9) [L126] COND TRUE (- var_1_16) <= var_1_4 [L127] COND TRUE (var_1_11 <= var_1_4) || var_1_2 [L128] var_1_8 = 3.3f [L131] COND TRUE \read(var_1_2) [L132] COND TRUE (var_1_11 / var_1_4) <= var_1_8 [L133] var_1_1 = (var_1_9 - var_1_9) [L213] RET step() [L214] CALL, EXPR property() [L204-L205] return (((((var_1_2 ? (((var_1_11 / var_1_4) <= var_1_8) ? (var_1_1 == ((signed short int) (var_1_9 - var_1_9))) : (var_1_1 == ((signed short int) var_1_9))) : (var_1_1 == ((signed short int) var_1_9))) && (((- var_1_16) <= var_1_4) ? (((var_1_11 <= var_1_4) || var_1_2) ? (var_1_8 == ((float) 3.3f)) : 1) : 1)) && ((last_1_var_1_11 < (last_1_var_1_11 + last_1_var_1_16)) ? ((((((var_1_7) < (last_1_var_1_1)) ? (var_1_7) : (last_1_var_1_1))) > (var_1_6 * 1)) ? (var_1_9 == ((unsigned char) var_1_10)) : (var_1_9 == ((unsigned char) var_1_10))) : (var_1_9 == ((unsigned char) var_1_10)))) && (((last_1_var_1_16 >= last_1_var_1_16) || ((var_1_2 && var_1_12) || (var_1_13 || var_1_14))) ? (var_1_2 ? (var_1_11 == ((double) var_1_15)) : (var_1_11 == ((double) var_1_15))) : (var_1_11 == ((double) var_1_15)))) && ((((var_1_10 * last_1_var_1_9) + last_1_var_1_1) > last_1_var_1_20) ? (var_1_16 == ((double) (var_1_17 - (var_1_18 - var_1_19)))) : 1)) && (var_1_13 ? (var_1_20 == ((unsigned long int) (((((var_1_9) > (128u)) ? (var_1_9) : (128u))) + var_1_9))) : ((var_1_9 >= var_1_9) ? (var_1_20 == ((unsigned long int) (var_1_21 - var_1_9))) : (var_1_20 == ((unsigned long int) var_1_9)))) ; [L214] RET, EXPR property() [L214] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_16=513/2, var_1_1=0, var_1_20=260, var_1_21=2147483647, var_1_23=1, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=50, var_1_36=0, var_1_37=0, var_1_38=50, var_1_40=36/5, var_1_42=0, var_1_43=25, var_1_44=-1, var_1_6=31, var_1_7=32, var_1_8=33/10, var_1_9=130] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=511/4, last_1_var_1_16=513/2, last_1_var_1_1=32, last_1_var_1_20=10000000, last_1_var_1_9=50, var_1_10=130, var_1_11=2, var_1_12=1, var_1_13=1, var_1_14=1, var_1_15=2, var_1_16=513/2, var_1_1=0, var_1_20=260, var_1_21=2147483647, var_1_23=1, var_1_29=1, var_1_2=1, var_1_30=0, var_1_31=50, var_1_36=0, var_1_37=0, var_1_38=50, var_1_40=36/5, var_1_42=0, var_1_43=25, var_1_44=-1, var_1_6=31, var_1_7=32, var_1_8=33/10, var_1_9=130] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 33, 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=62occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 123 NumberOfCodeBlocks, 123 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 [2023-11-23 21:19:21,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire --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 8704873565888218432e3d3b7f73d0781675aeee092fa42edf4317a03a599861 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:19:24,749 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:19:24,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:19:24,845 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:19:24,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:19:24,873 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:19:24,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:19:24,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:19:24,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:19:24,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:19:24,876 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:19:24,877 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:19:24,878 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:19:24,878 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:19:24,879 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:19:24,879 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:19:24,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:19:24,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:19:24,882 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:19:24,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:19:24,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:19:24,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:19:24,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:19:24,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:19:24,889 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:19:24,890 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:19:24,890 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:19:24,891 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:19:24,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:19:24,892 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:19:24,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:19:24,893 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:19:24,893 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:19:24,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:19:24,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:24,894 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:19:24,895 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:19:24,895 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:19:24,896 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:19:24,896 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:19:24,896 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:19:24,898 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:19:24,898 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:19:24,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:19:24,899 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_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8704873565888218432e3d3b7f73d0781675aeee092fa42edf4317a03a599861 [2023-11-23 21:19:25,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:19:25,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:19:25,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:19:25,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:19:25,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:19:25,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i [2023-11-23 21:19:28,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:19:29,117 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:19:29,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i [2023-11-23 21:19:29,143 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/data/78b31bbe0/09bc50037ae04ad3b2c41afb25bc487d/FLAGe208b3c6a [2023-11-23 21:19:29,163 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/data/78b31bbe0/09bc50037ae04ad3b2c41afb25bc487d [2023-11-23 21:19:29,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:19:29,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:19:29,176 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:29,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:19:29,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:19:29,189 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66132585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29, skipping insertion in model container [2023-11-23 21:19:29,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,252 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:19:29,488 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_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i[919,932] [2023-11-23 21:19:29,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:29,604 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:19:29,619 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_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i[919,932] [2023-11-23 21:19:29,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:19:29,716 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:19:29,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29 WrapperNode [2023-11-23 21:19:29,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:19:29,719 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:29,719 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:19:29,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:19:29,745 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,877 INFO L138 Inliner]: procedures = 27, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 215 [2023-11-23 21:19:29,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:19:29,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:19:29,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:19:29,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:19:29,893 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,894 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,900 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,900 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:19:29,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:19:29,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:19:29,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:19:29,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (1/1) ... [2023-11-23 21:19:29,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:19:29,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:19:30,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:19:30,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:19:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:19:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:19:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:19:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:19:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:19:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:19:30,156 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:19:30,158 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:19:40,838 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:19:40,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:19:40,960 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:19:40,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:40 BoogieIcfgContainer [2023-11-23 21:19:40,960 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:19:40,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:19:40,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:19:40,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:19:40,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:19:29" (1/3) ... [2023-11-23 21:19:40,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33baf76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:40, skipping insertion in model container [2023-11-23 21:19:40,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:19:29" (2/3) ... [2023-11-23 21:19:40,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33baf76f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:19:40, skipping insertion in model container [2023-11-23 21:19:40,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:19:40" (3/3) ... [2023-11-23 21:19:40,970 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-60.i [2023-11-23 21:19:40,989 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:19:40,990 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:19:41,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:19:41,054 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;@33759ef6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:19:41,054 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:19:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:19:41,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-23 21:19:41,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:41,096 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:41,097 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:41,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:41,103 INFO L85 PathProgramCache]: Analyzing trace with hash 682003948, now seen corresponding path program 1 times [2023-11-23 21:19:41,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:41,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2094091117] [2023-11-23 21:19:41,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:41,124 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 [2023-11-23 21:19:41,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:41,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:41,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:42,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:19:42,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:42,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 1024 proven. 0 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2023-11-23 21:19:42,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:42,900 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:42,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2094091117] [2023-11-23 21:19:42,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2094091117] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:42,902 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:42,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:42,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635064230] [2023-11-23 21:19:42,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:42,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:19:42,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:42,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:19:42,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:42,944 INFO L87 Difference]: Start difference. First operand has 89 states, 53 states have (on average 1.471698113207547) internal successors, (78), 54 states have internal predecessors, (78), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 21:19:45,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:19:45,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:19:45,284 INFO L93 Difference]: Finished difference Result 175 states and 319 transitions. [2023-11-23 21:19:45,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:19:45,382 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 205 [2023-11-23 21:19:45,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:19:45,392 INFO L225 Difference]: With dead ends: 175 [2023-11-23 21:19:45,392 INFO L226 Difference]: Without dead ends: 87 [2023-11-23 21:19:45,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:19:45,401 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:19:45,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-11-23 21:19:45,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-23 21:19:45,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-23 21:19:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 52 states have (on average 1.3846153846153846) internal successors, (72), 52 states have internal predecessors, (72), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2023-11-23 21:19:45,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 138 transitions. [2023-11-23 21:19:45,461 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 138 transitions. Word has length 205 [2023-11-23 21:19:45,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:19:45,462 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 138 transitions. [2023-11-23 21:19:45,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-11-23 21:19:45,465 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 138 transitions. [2023-11-23 21:19:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-11-23 21:19:45,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:19:45,475 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:19:45,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:45,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:45,693 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:19:45,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:19:45,694 INFO L85 PathProgramCache]: Analyzing trace with hash -242935254, now seen corresponding path program 1 times [2023-11-23 21:19:45,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:19:45,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [676813439] [2023-11-23 21:19:45,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:19:45,695 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 [2023-11-23 21:19:45,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:19:45,699 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:19:45,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:19:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:19:47,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:19:47,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:19:55,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 21:19:55,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:19:55,016 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:19:55,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [676813439] [2023-11-23 21:19:55,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [676813439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:19:55,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:19:55,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:19:55,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21974078] [2023-11-23 21:19:55,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:19:55,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:19:55,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:19:55,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:19:55,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:19:55,023 INFO L87 Difference]: Start difference. First operand 87 states and 138 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:19:58,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:00,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:02,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:04,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:20:05,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:20:05,177 INFO L93 Difference]: Finished difference Result 244 states and 389 transitions. [2023-11-23 21:20:05,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:20:05,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 205 [2023-11-23 21:20:05,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:20:05,187 INFO L225 Difference]: With dead ends: 244 [2023-11-23 21:20:05,187 INFO L226 Difference]: Without dead ends: 158 [2023-11-23 21:20:05,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:20:05,191 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 17 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:20:05,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 244 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 4 Unknown, 0 Unchecked, 10.1s Time] [2023-11-23 21:20:05,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2023-11-23 21:20:05,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2023-11-23 21:20:05,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 86 states have (on average 1.2906976744186047) internal successors, (111), 86 states have internal predecessors, (111), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2023-11-23 21:20:05,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 243 transitions. [2023-11-23 21:20:05,231 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 243 transitions. Word has length 205 [2023-11-23 21:20:05,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:20:05,232 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 243 transitions. [2023-11-23 21:20:05,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2023-11-23 21:20:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 243 transitions. [2023-11-23 21:20:05,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-23 21:20:05,238 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:20:05,238 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:20:05,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:20:05,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:20:05,447 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:20:05,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:20:05,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1799168339, now seen corresponding path program 1 times [2023-11-23 21:20:05,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:20:05,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1723796314] [2023-11-23 21:20:05,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:05,449 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 [2023-11-23 21:20:05,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:20:05,454 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:20:05,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:20:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:06,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:20:06,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:20:08,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 782 proven. 21 refuted. 0 times theorem prover too weak. 1309 trivial. 0 not checked. [2023-11-23 21:20:08,117 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:20:09,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 75 proven. 21 refuted. 0 times theorem prover too weak. 2016 trivial. 0 not checked. [2023-11-23 21:20:09,306 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:20:09,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1723796314] [2023-11-23 21:20:09,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1723796314] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:20:09,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [611492864] [2023-11-23 21:20:09,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:20:09,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:20:09,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:20:09,324 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:20:09,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d7e143-c48b-44cb-9c5b-181dbc0cbdaa/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 21:20:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:20:10,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 21:20:10,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:20:10,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2023-11-23 21:20:10,661 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:20:10,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [611492864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:20:10,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 21:20:10,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 8 [2023-11-23 21:20:10,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758490570] [2023-11-23 21:20:10,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:20:10,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:20:10,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:20:10,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:20:10,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:20:10,665 INFO L87 Difference]: Start difference. First operand 155 states and 243 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33)