./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47ce8d22fd075593205198574febc2a46fe49e2219a687d8db5742bbbc42e722 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:06,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:06,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:58:06,155 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:06,156 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:06,202 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:06,203 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:06,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:06,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:06,211 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:06,212 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:06,213 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:06,214 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:06,216 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:58:06,217 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:06,217 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:06,218 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:58:06,218 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:58:06,219 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:06,219 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:58:06,220 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:58:06,221 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:58:06,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:06,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:06,223 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:06,224 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:58:06,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:06,225 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:06,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:06,226 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:06,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:06,228 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:06,228 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:06,228 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:06,229 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:06,229 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:06,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:06,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:06,230 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:06,230 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:06,231 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:58:06,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:58:06,231 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:06,232 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:06,232 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:06,233 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_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47ce8d22fd075593205198574febc2a46fe49e2219a687d8db5742bbbc42e722 [2023-11-19 04:58:06,544 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:06,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:06,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:06,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:06,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:06,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i [2023-11-19 04:58:10,131 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:10,469 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:10,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i [2023-11-19 04:58:10,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/data/4cf0d3bd3/1a48456c370644f1809170ed1043e8ea/FLAG225e4b2f8 [2023-11-19 04:58:10,500 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/data/4cf0d3bd3/1a48456c370644f1809170ed1043e8ea [2023-11-19 04:58:10,503 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:10,505 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:10,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:10,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:10,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:10,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:10" (1/1) ... [2023-11-19 04:58:10,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f660803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:10, skipping insertion in model container [2023-11-19 04:58:10,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:10" (1/1) ... [2023-11-19 04:58:10,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:10,810 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_58aa684f-f245-48a3-8f96-33ae3ee37ee1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i[919,932] [2023-11-19 04:58:10,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:10,935 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:58:10,950 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_58aa684f-f245-48a3-8f96-33ae3ee37ee1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i[919,932] [2023-11-19 04:58:11,006 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:11,038 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:58:11,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11 WrapperNode [2023-11-19 04:58:11,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:11,041 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:11,041 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:58:11,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:58:11,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,079 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,147 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 235 [2023-11-19 04:58:11,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:11,149 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:58:11,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:58:11,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:58:11,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,202 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,215 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,228 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:58:11,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:58:11,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:58:11,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:58:11,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (1/1) ... [2023-11-19 04:58:11,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:11,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:11,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:58:11,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:58:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:58:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:58:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:58:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:58:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:58:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:58:11,447 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:58:11,450 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:58:12,198 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:58:12,780 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:58:12,781 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:58:12,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:12 BoogieIcfgContainer [2023-11-19 04:58:12,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:58:12,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:58:12,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:58:12,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:58:12,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:58:10" (1/3) ... [2023-11-19 04:58:12,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20bebb39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:12, skipping insertion in model container [2023-11-19 04:58:12,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:11" (2/3) ... [2023-11-19 04:58:12,804 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20bebb39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:12, skipping insertion in model container [2023-11-19 04:58:12,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:12" (3/3) ... [2023-11-19 04:58:12,806 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i [2023-11-19 04:58:12,830 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:58:12,830 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:58:12,916 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:58:12,926 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;@70548e4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:58:12,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:58:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:58:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 04:58:12,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:12,947 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:12,947 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:12,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:12,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1304429831, now seen corresponding path program 1 times [2023-11-19 04:58:12,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:58:12,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078549608] [2023-11-19 04:58:12,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:12,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:58:13,239 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:58:13,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [21327095] [2023-11-19 04:58:13,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:13,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:13,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:13,243 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:58:13,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:58:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:58:13,746 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:58:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:58:14,113 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:58:14,119 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:58:14,121 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:58:14,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:14,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:58:14,342 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:58:14,346 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:58:14,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:58:14 BoogieIcfgContainer [2023-11-19 04:58:14,542 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:58:14,543 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:58:14,543 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:58:14,544 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:58:14,544 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:12" (3/4) ... [2023-11-19 04:58:14,549 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:58:14,551 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:58:14,552 INFO L158 Benchmark]: Toolchain (without parser) took 4046.93ms. Allocated memory is still 157.3MB. Free memory was 121.6MB in the beginning and 70.7MB in the end (delta: 50.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-11-19 04:58:14,553 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:14,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.25ms. Allocated memory is still 157.3MB. Free memory was 121.3MB in the beginning and 105.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:58:14,556 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.18ms. Allocated memory is still 157.3MB. Free memory was 105.6MB in the beginning and 100.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:58:14,562 INFO L158 Benchmark]: Boogie Preprocessor took 80.04ms. Allocated memory is still 157.3MB. Free memory was 100.0MB in the beginning and 97.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:58:14,564 INFO L158 Benchmark]: RCFGBuilder took 1560.58ms. Allocated memory is still 157.3MB. Free memory was 97.0MB in the beginning and 124.2MB in the end (delta: -27.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2023-11-19 04:58:14,566 INFO L158 Benchmark]: TraceAbstraction took 1748.91ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 70.7MB in the end (delta: 52.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-19 04:58:14,566 INFO L158 Benchmark]: Witness Printer took 7.83ms. Allocated memory is still 157.3MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:58:14,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.25ms. Allocated memory is still 157.3MB. Free memory was 121.3MB in the beginning and 105.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.18ms. Allocated memory is still 157.3MB. Free memory was 105.6MB in the beginning and 100.0MB in the end (delta: 5.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.04ms. Allocated memory is still 157.3MB. Free memory was 100.0MB in the beginning and 97.0MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1560.58ms. Allocated memory is still 157.3MB. Free memory was 97.0MB in the beginning and 124.2MB in the end (delta: -27.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1748.91ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 70.7MB in the end (delta: 52.5MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 7.83ms. Allocated memory is still 157.3MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 105, overapproximation of shiftLeft at line 64, overapproximation of bitwiseOr at line 113, overapproximation of someBinaryDOUBLEComparisonOperation at line 128, overapproximation of someBinaryArithmeticFLOAToperation at line 93. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 64; [L23] unsigned char var_1_4 = 0; [L24] unsigned long int var_1_5 = 3914692693; [L25] unsigned long int var_1_7 = 1; [L26] unsigned char var_1_8 = 0; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_10 = 0; [L29] unsigned char var_1_11 = 50; [L30] signed long int var_1_12 = 25; [L31] signed long int var_1_13 = 1; [L32] float var_1_15 = 4.75; [L33] unsigned char var_1_16 = 100; [L34] float var_1_17 = 50.1; [L35] float var_1_18 = 100.9; [L36] float var_1_19 = 8.5; [L37] float var_1_20 = 10.625; [L38] float var_1_21 = 0.0; [L39] float var_1_22 = 7.8; [L40] float var_1_23 = 8.25; [L41] double var_1_24 = 5.5; [L42] signed char var_1_25 = -16; [L43] signed char var_1_27 = 4; [L44] float var_1_28 = 3.5; [L45] signed short int var_1_29 = -8; [L46] signed char var_1_31 = -32; [L47] signed char var_1_32 = 2; [L48] signed long int var_1_34 = -4; [L49] double var_1_38 = 0.5; [L50] double var_1_39 = 255.8; [L51] unsigned long int last_1_var_1_1 = 64; [L52] unsigned char last_1_var_1_11 = 50; [L189] isInitial = 1 [L190] FCALL initially() [L191] COND TRUE 1 [L192] CALL updateLastVariables() [L181] last_1_var_1_1 = var_1_1 [L182] last_1_var_1_11 = var_1_11 [L192] RET updateLastVariables() [L193] CALL updateVariables() [L138] var_1_4 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L140] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3914692693, var_1_7=1, var_1_8=0, var_1_9=0] [L141] var_1_5 = __VERIFIER_nondet_ulong() [L142] CALL assume_abort_if_not(var_1_5 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_5 >= 3221225470) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L143] CALL assume_abort_if_not(var_1_5 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_5 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=1, var_1_8=0, var_1_9=0] [L144] var_1_7 = __VERIFIER_nondet_ulong() [L145] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L146] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L147] var_1_9 = __VERIFIER_nondet_uchar() [L148] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L149] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L150] var_1_10 = __VERIFIER_nondet_uchar() [L151] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L152] CALL assume_abort_if_not(var_1_10 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_10 <= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=25, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L153] var_1_12 = __VERIFIER_nondet_long() [L154] CALL assume_abort_if_not(var_1_12 >= 14) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_12 >= 14) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L155] CALL assume_abort_if_not(var_1_12 <= 29) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_12 <= 29) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=1, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L156] var_1_13 = __VERIFIER_nondet_long() [L157] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L158] CALL assume_abort_if_not(var_1_13 <= 14) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_13 <= 14) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=100, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L159] var_1_16 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L161] CALL assume_abort_if_not(var_1_16 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_16 <= 127) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=501/10, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L162] var_1_17 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=17/2, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L164] var_1_19 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && 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=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_19 >= -461168.6018427382800e+13F && 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=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=85/8, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L166] var_1_20 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=0, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L168] var_1_21 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_21 >= 2305843.009213691390e+12F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=39/5, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L170] var_1_22 = __VERIFIER_nondet_float() [L171] CALL assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_22 >= 0.0F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=33/4, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L172] var_1_23 = __VERIFIER_nondet_float() [L173] CALL assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=11/2, var_1_25=-16, var_1_27=4, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L174] var_1_27 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=11/2, var_1_25=-16, var_1_27=1, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=11/2, var_1_25=-16, var_1_27=1, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L176] CALL assume_abort_if_not(var_1_27 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=11/2, var_1_25=-16, var_1_27=1, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_27 <= 126) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=11/2, var_1_25=-16, var_1_27=1, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=1279/5, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L177] var_1_39 = __VERIFIER_nondet_double() [L178] CALL assume_abort_if_not((var_1_39 >= -922337.2036854765600e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854765600e+12F && var_1_39 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=11/2, var_1_25=-16, var_1_27=1, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=8, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_39 >= -922337.2036854765600e+13F && var_1_39 <= -1.0e-20F) || (var_1_39 <= 9223372.036854765600e+12F && var_1_39 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=50, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_18=1009/10, var_1_19=3, var_1_1=64, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=11/2, var_1_25=-16, var_1_27=1, var_1_28=7/2, var_1_29=-8, var_1_31=-32, var_1_32=2, var_1_34=-4, var_1_38=1/2, var_1_39=8, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L193] RET updateVariables() [L194] CALL step() [L56] signed long int stepLocal_1 = last_1_var_1_11; [L57] signed long int stepLocal_0 = last_1_var_1_11; [L58] COND TRUE stepLocal_1 < last_1_var_1_1 [L59] COND FALSE !(last_1_var_1_1 <= stepLocal_0) [L63] unsigned long int stepLocal_3 = var_1_7; [L64] EXPR 5u << (var_1_12 - var_1_13) [L64] unsigned long int stepLocal_2 = 5u << (var_1_12 - var_1_13); [L65] COND FALSE !(! ((var_1_5 > var_1_7) || var_1_8)) [L76] var_1_11 = var_1_12 [L78] COND FALSE !(! (var_1_11 >= var_1_11)) [L85] var_1_1 = var_1_11 [L87] COND FALSE !(\read(var_1_10)) [L92] COND FALSE !(\read(var_1_10)) [L95] var_1_18 = (((var_1_21 - var_1_22) - var_1_23) + var_1_20) [L97] unsigned long int stepLocal_4 = ~ var_1_1; [L98] COND FALSE !(stepLocal_4 <= (var_1_12 - var_1_11)) [L101] COND FALSE !((~ (var_1_11 % 200u)) < 32u) [L104] COND FALSE !(var_1_1 > var_1_11) [L107] COND TRUE (~ (5 + var_1_11)) >= 10000u [L108] var_1_29 = (((((var_1_11 + var_1_27)) > (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? ((var_1_11 + var_1_27)) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) [L112] var_1_31 = var_1_27 [L113] EXPR var_1_11 | -5 [L113] EXPR ((var_1_27) < ((var_1_11 | -5))) ? (var_1_27) : ((var_1_11 | -5)) [L113] EXPR var_1_11 | -5 [L113] EXPR ((var_1_27) < ((var_1_11 | -5))) ? (var_1_27) : ((var_1_11 | -5)) [L113] COND FALSE !(var_1_11 <= ((((var_1_27) < ((var_1_11 | -5))) ? (var_1_27) : ((var_1_11 | -5))))) [L118] COND TRUE ((((var_1_11) < (var_1_27)) ? (var_1_11) : (var_1_27))) <= var_1_11 [L119] COND FALSE !(\read(var_1_8)) [L135] var_1_38 = var_1_39 [L194] RET step() [L195] CALL, EXPR property() [L185] EXPR (((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) [L185] EXPR (! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)) [L185] EXPR (((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) [L185-L186] return ((((((! (var_1_11 >= var_1_11)) ? (var_1_8 ? (var_1_1 == ((unsigned long int) ((var_1_5 - var_1_11) - var_1_11))) : (var_1_1 == ((unsigned long int) var_1_5))) : (var_1_1 == ((unsigned long int) var_1_11))) && ((last_1_var_1_11 < last_1_var_1_1) ? ((last_1_var_1_1 <= last_1_var_1_11) ? (var_1_8 == ((unsigned char) ((var_1_4 && var_1_9) || var_1_10))) : 1) : 1)) && ((! ((var_1_5 > var_1_7) || var_1_8)) ? (((5u << (var_1_12 - var_1_13)) > (var_1_5 / 25u)) ? (((-64 * var_1_5) != var_1_7) ? (var_1_11 == ((unsigned char) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12))) : (var_1_11 == ((unsigned char) var_1_12)))) && (var_1_10 ? ((var_1_1 > (var_1_11 / (var_1_12 + var_1_16))) ? (var_1_15 == ((float) var_1_17)) : 1) : 1)) && (var_1_10 ? (var_1_18 == ((float) (var_1_19 + var_1_20))) : (var_1_18 == ((float) (((var_1_21 - var_1_22) - var_1_23) + var_1_20))))) && (((~ var_1_1) <= (var_1_12 - var_1_11)) ? (var_1_24 == ((double) var_1_22)) : 1) ; [L195] RET, EXPR property() [L195] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_19=3, var_1_1=14, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=11/2, var_1_25=-16, var_1_27=1, var_1_28=7/2, var_1_29=15, var_1_31=1, var_1_32=2, var_1_34=-4, var_1_38=8, var_1_39=8, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=50, last_1_var_1_1=64, var_1_10=0, var_1_11=14, var_1_12=14, var_1_13=14, var_1_15=19/4, var_1_16=1, var_1_17=2, var_1_19=3, var_1_1=14, var_1_20=4, var_1_21=5, var_1_22=6, var_1_23=7, var_1_24=11/2, var_1_25=-16, var_1_27=1, var_1_28=7/2, var_1_29=15, var_1_31=1, var_1_32=2, var_1_34=-4, var_1_38=8, var_1_39=8, var_1_4=1, var_1_5=3221225470, var_1_7=0, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 25, 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=50occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:58:14,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47ce8d22fd075593205198574febc2a46fe49e2219a687d8db5742bbbc42e722 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:58:17,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:58:18,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:58:18,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:58:18,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:58:18,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:58:18,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:58:18,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:58:18,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:58:18,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:58:18,076 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:58:18,077 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:58:18,078 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:58:18,080 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:58:18,080 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:58:18,081 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:58:18,082 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:58:18,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:58:18,083 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:58:18,084 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:58:18,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:58:18,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:58:18,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:58:18,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:58:18,087 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:58:18,087 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:58:18,088 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:58:18,088 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:58:18,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:58:18,089 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:58:18,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:58:18,091 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:58:18,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:58:18,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:18,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:58:18,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:58:18,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:58:18,093 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:58:18,094 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:18,095 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:58:18,095 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:58:18,096 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:58:18,096 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_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47ce8d22fd075593205198574febc2a46fe49e2219a687d8db5742bbbc42e722 [2023-11-19 04:58:18,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:58:18,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:58:18,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:58:18,610 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:58:18,610 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:58:18,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i [2023-11-19 04:58:22,503 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:58:22,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:58:22,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i [2023-11-19 04:58:22,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/data/85498b486/4826bb1b3e32469497e14026b6940570/FLAG8b0026a18 [2023-11-19 04:58:22,953 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/data/85498b486/4826bb1b3e32469497e14026b6940570 [2023-11-19 04:58:22,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:58:22,961 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:58:22,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:22,966 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:58:22,972 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:58:22,973 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:22" (1/1) ... [2023-11-19 04:58:22,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f37880d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:22, skipping insertion in model container [2023-11-19 04:58:22,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:58:22" (1/1) ... [2023-11-19 04:58:23,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:58:23,291 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_58aa684f-f245-48a3-8f96-33ae3ee37ee1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i[919,932] [2023-11-19 04:58:23,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:23,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:58:23,513 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_58aa684f-f245-48a3-8f96-33ae3ee37ee1/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i[919,932] [2023-11-19 04:58:23,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:58:23,628 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:58:23,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23 WrapperNode [2023-11-19 04:58:23,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:58:23,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:23,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:58:23,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:58:23,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,660 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,699 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2023-11-19 04:58:23,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:58:23,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:58:23,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:58:23,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:58:23,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,721 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,749 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,752 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:58:23,760 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:58:23,760 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:58:23,760 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:58:23,761 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (1/1) ... [2023-11-19 04:58:23,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:58:23,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:58:23,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:58:23,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:58:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:58:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:58:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:58:23,852 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:58:23,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:58:23,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:58:23,988 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:58:23,991 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:58:26,856 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:58:26,875 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:58:26,876 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:58:26,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:26 BoogieIcfgContainer [2023-11-19 04:58:26,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:58:26,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:58:26,889 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:58:26,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:58:26,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:58:22" (1/3) ... [2023-11-19 04:58:26,894 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a87aa97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:26, skipping insertion in model container [2023-11-19 04:58:26,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:58:23" (2/3) ... [2023-11-19 04:58:26,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a87aa97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:58:26, skipping insertion in model container [2023-11-19 04:58:26,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:58:26" (3/3) ... [2023-11-19 04:58:26,900 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-74.i [2023-11-19 04:58:26,939 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:58:26,940 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:58:27,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:58:27,025 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;@7520435d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:58:27,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:58:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 59 states have internal predecessors, (85), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:58:27,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 04:58:27,053 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:27,055 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:27,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:27,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:27,063 INFO L85 PathProgramCache]: Analyzing trace with hash -130451147, now seen corresponding path program 1 times [2023-11-19 04:58:27,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:27,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1511896185] [2023-11-19 04:58:27,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:27,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:27,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:27,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:58:27,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:58:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:27,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:58:27,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:27,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2023-11-19 04:58:27,769 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:58:27,770 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:27,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1511896185] [2023-11-19 04:58:27,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1511896185] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:27,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:58:27,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:58:27,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554805886] [2023-11-19 04:58:27,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:27,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:58:27,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:58:27,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:58:27,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:58:27,822 INFO L87 Difference]: Start difference. First operand has 86 states, 58 states have (on average 1.4655172413793103) internal successors, (85), 59 states have internal predecessors, (85), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 04:58:27,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:27,869 INFO L93 Difference]: Finished difference Result 161 states and 281 transitions. [2023-11-19 04:58:27,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:58:27,872 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 166 [2023-11-19 04:58:27,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:27,883 INFO L225 Difference]: With dead ends: 161 [2023-11-19 04:58:27,883 INFO L226 Difference]: Without dead ends: 78 [2023-11-19 04:58:27,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:58:27,893 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:27,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:58:27,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-19 04:58:27,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-19 04:58:27,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 51 states have (on average 1.2745098039215685) internal successors, (65), 51 states have internal predecessors, (65), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 04:58:27,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 115 transitions. [2023-11-19 04:58:27,975 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 115 transitions. Word has length 166 [2023-11-19 04:58:27,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:27,976 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 115 transitions. [2023-11-19 04:58:27,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-19 04:58:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 115 transitions. [2023-11-19 04:58:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 04:58:27,983 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:27,983 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:28,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:28,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:28,200 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:28,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:28,201 INFO L85 PathProgramCache]: Analyzing trace with hash -808643529, now seen corresponding path program 1 times [2023-11-19 04:58:28,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:28,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048282685] [2023-11-19 04:58:28,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:28,203 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:28,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:28,208 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:58:28,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:58:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:28,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 04:58:28,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:31,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 04:58:31,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:58:31,161 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:31,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048282685] [2023-11-19 04:58:31,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048282685] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:31,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:58:31,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 04:58:31,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552620206] [2023-11-19 04:58:31,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:31,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:58:31,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:58:31,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:58:31,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:58:31,167 INFO L87 Difference]: Start difference. First operand 78 states and 115 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:58:34,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:36,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:36,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:36,561 INFO L93 Difference]: Finished difference Result 229 states and 340 transitions. [2023-11-19 04:58:36,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:58:36,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 166 [2023-11-19 04:58:36,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:36,587 INFO L225 Difference]: With dead ends: 229 [2023-11-19 04:58:36,587 INFO L226 Difference]: Without dead ends: 154 [2023-11-19 04:58:36,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 04:58:36,592 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 104 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 51 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:36,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 363 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 89 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2023-11-19 04:58:36,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-19 04:58:36,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 126. [2023-11-19 04:58:36,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 73 states have (on average 1.1917808219178083) internal successors, (87), 73 states have internal predecessors, (87), 50 states have call successors, (50), 2 states have call predecessors, (50), 2 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-19 04:58:36,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 187 transitions. [2023-11-19 04:58:36,659 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 187 transitions. Word has length 166 [2023-11-19 04:58:36,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:36,660 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 187 transitions. [2023-11-19 04:58:36,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:58:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 187 transitions. [2023-11-19 04:58:36,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 04:58:36,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:36,665 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:36,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:36,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:36,879 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:36,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:36,880 INFO L85 PathProgramCache]: Analyzing trace with hash -2048014510, now seen corresponding path program 1 times [2023-11-19 04:58:36,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:36,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048262125] [2023-11-19 04:58:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:36,882 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:36,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:36,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:58:36,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 04:58:37,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:37,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:58:37,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 582 proven. 45 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2023-11-19 04:58:38,079 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:58:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 27 proven. 45 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 04:58:38,598 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:38,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048262125] [2023-11-19 04:58:38,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048262125] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:58:38,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [898368057] [2023-11-19 04:58:38,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:38,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:38,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:58:38,618 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:58:38,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 04:58:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:39,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:58:39,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:39,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 04:58:39,437 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:58:39,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [898368057] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:39,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:58:39,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5, 5] total 7 [2023-11-19 04:58:39,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783770077] [2023-11-19 04:58:39,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:39,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:58:39,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:58:39,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:58:39,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:58:39,442 INFO L87 Difference]: Start difference. First operand 126 states and 187 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:58:42,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:44,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:44,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:44,337 INFO L93 Difference]: Finished difference Result 242 states and 352 transitions. [2023-11-19 04:58:44,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:58:44,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 167 [2023-11-19 04:58:44,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:44,369 INFO L225 Difference]: With dead ends: 242 [2023-11-19 04:58:44,369 INFO L226 Difference]: Without dead ends: 167 [2023-11-19 04:58:44,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 498 GetRequests, 491 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:58:44,372 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 50 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:44,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 217 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2023-11-19 04:58:44,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-19 04:58:44,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2023-11-19 04:58:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 101 states have (on average 1.198019801980198) internal successors, (121), 102 states have internal predecessors, (121), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 04:58:44,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 237 transitions. [2023-11-19 04:58:44,414 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 237 transitions. Word has length 167 [2023-11-19 04:58:44,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:44,416 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 237 transitions. [2023-11-19 04:58:44,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:58:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 237 transitions. [2023-11-19 04:58:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 04:58:44,420 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:44,420 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:44,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:44,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:44,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:44,835 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:44,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:44,836 INFO L85 PathProgramCache]: Analyzing trace with hash 967089108, now seen corresponding path program 1 times [2023-11-19 04:58:44,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:44,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [889977130] [2023-11-19 04:58:44,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:44,838 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:44,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:44,843 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:58:44,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 04:58:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:45,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:58:45,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:45,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-19 04:58:45,440 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:58:45,440 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:45,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [889977130] [2023-11-19 04:58:45,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [889977130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:58:45,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:58:45,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:58:45,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225343064] [2023-11-19 04:58:45,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:58:45,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:58:45,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:58:45,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:58:45,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:58:45,447 INFO L87 Difference]: Start difference. First operand 164 states and 237 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:58:47,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:58:47,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:58:47,819 INFO L93 Difference]: Finished difference Result 278 states and 405 transitions. [2023-11-19 04:58:47,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:58:47,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 167 [2023-11-19 04:58:47,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:58:47,826 INFO L225 Difference]: With dead ends: 278 [2023-11-19 04:58:47,826 INFO L226 Difference]: Without dead ends: 169 [2023-11-19 04:58:47,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:58:47,829 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 101 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-19 04:58:47,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 259 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-19 04:58:47,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-19 04:58:47,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 164. [2023-11-19 04:58:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 101 states have (on average 1.1782178217821782) internal successors, (119), 102 states have internal predecessors, (119), 58 states have call successors, (58), 4 states have call predecessors, (58), 4 states have return successors, (58), 57 states have call predecessors, (58), 58 states have call successors, (58) [2023-11-19 04:58:47,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 235 transitions. [2023-11-19 04:58:47,873 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 235 transitions. Word has length 167 [2023-11-19 04:58:47,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:58:47,874 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 235 transitions. [2023-11-19 04:58:47,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-19 04:58:47,874 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 235 transitions. [2023-11-19 04:58:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 04:58:47,877 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:58:47,878 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:58:47,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 04:58:48,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:48,092 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:58:48,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:58:48,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1668153686, now seen corresponding path program 1 times [2023-11-19 04:58:48,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:58:48,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175919598] [2023-11-19 04:58:48,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:48,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:58:48,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:58:48,096 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:58:48,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 04:58:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:48,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:58:48,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:58:50,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 78 refuted. 0 times theorem prover too weak. 502 trivial. 0 not checked. [2023-11-19 04:58:50,092 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:58:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2023-11-19 04:58:51,174 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:58:51,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [175919598] [2023-11-19 04:58:51,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [175919598] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:58:51,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [852368184] [2023-11-19 04:58:51,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:58:51,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:58:51,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 04:58:51,177 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:58:51,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58aa684f-f245-48a3-8f96-33ae3ee37ee1/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 04:58:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:58:53,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:58:53,214 INFO L285 TraceCheckSpWp]: Computing forward predicates...