./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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 b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:24,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:24,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:06:24,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:24,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:24,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:24,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:24,393 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:24,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:24,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:24,395 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:24,396 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:24,396 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:24,397 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:24,397 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:24,398 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:24,398 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:24,399 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:24,399 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:24,400 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:24,401 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:24,401 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:24,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:24,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:24,403 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:24,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:24,404 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:24,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:24,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:24,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:24,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:24,406 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:24,407 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:24,407 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:24,407 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:24,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:24,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:24,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:24,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:24,410 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:24,410 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:24,411 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:24,411 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:24,411 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:24,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:24,412 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_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 [2023-11-19 05:06:24,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:24,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:24,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:24,772 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:24,772 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:24,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2023-11-19 05:06:27,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:28,215 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:28,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2023-11-19 05:06:28,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/data/cd1cc24f8/e90f77872bad4b9fbcd7901112431727/FLAG9ca5b75e5 [2023-11-19 05:06:28,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/data/cd1cc24f8/e90f77872bad4b9fbcd7901112431727 [2023-11-19 05:06:28,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:28,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:28,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:28,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:28,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:28,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e396b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28, skipping insertion in model container [2023-11-19 05:06:28,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:28,482 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_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2023-11-19 05:06:28,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:28,582 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:28,594 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_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2023-11-19 05:06:28,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:28,650 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:28,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28 WrapperNode [2023-11-19 05:06:28,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:28,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:28,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:28,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:28,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,749 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-11-19 05:06:28,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:28,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:28,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:28,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:28,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,799 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:28,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:28,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:28,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:28,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (1/1) ... [2023-11-19 05:06:28,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:28,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:28,855 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:28,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:06:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:06:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:06:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:29,104 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:29,109 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:29,590 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:29,918 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:29,919 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:06:29,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:29 BoogieIcfgContainer [2023-11-19 05:06:29,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:29,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:29,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:29,929 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:29,930 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:28" (1/3) ... [2023-11-19 05:06:29,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0838c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:29, skipping insertion in model container [2023-11-19 05:06:29,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:28" (2/3) ... [2023-11-19 05:06:29,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a0838c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:29, skipping insertion in model container [2023-11-19 05:06:29,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:29" (3/3) ... [2023-11-19 05:06:29,933 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2023-11-19 05:06:29,954 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:29,955 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:06:30,005 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:06:30,012 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;@48a5653, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:06:30,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:06:30,017 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:06:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-19 05:06:30,030 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:30,031 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:06:30,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:30,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:30,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1086553772, now seen corresponding path program 1 times [2023-11-19 05:06:30,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:30,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692451204] [2023-11-19 05:06:30,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:30,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:30,329 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:06:30,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1333452920] [2023-11-19 05:06:30,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:30,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:06:30,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:30,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:06:30,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:06:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:06:30,723 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:06:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:06:31,114 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:06:31,117 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:06:31,119 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:06:31,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:06:31,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:06:31,335 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:06:31,339 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:06:31,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:06:31 BoogieIcfgContainer [2023-11-19 05:06:31,539 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:06:31,539 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:06:31,540 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:06:31,540 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:06:31,540 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:29" (3/4) ... [2023-11-19 05:06:31,543 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:06:31,544 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:06:31,546 INFO L158 Benchmark]: Toolchain (without parser) took 3295.46ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 118.4MB in the beginning and 111.2MB in the end (delta: 7.1MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2023-11-19 05:06:31,546 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:06:31,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.07ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 102.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:06:31,548 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.82ms. Allocated memory is still 153.1MB. Free memory was 102.8MB in the beginning and 98.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:06:31,548 INFO L158 Benchmark]: Boogie Preprocessor took 54.92ms. Allocated memory is still 153.1MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:06:31,549 INFO L158 Benchmark]: RCFGBuilder took 1112.83ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 59.8MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 05:06:31,550 INFO L158 Benchmark]: TraceAbstraction took 1612.69ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 59.8MB in the beginning and 111.2MB in the end (delta: -51.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:06:31,550 INFO L158 Benchmark]: Witness Printer took 4.84ms. Allocated memory is still 184.5MB. Free memory is still 111.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:06:31,554 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 115.3MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.07ms. Allocated memory is still 153.1MB. Free memory was 118.4MB in the beginning and 102.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.82ms. Allocated memory is still 153.1MB. Free memory was 102.8MB in the beginning and 98.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.92ms. Allocated memory is still 153.1MB. Free memory was 98.0MB in the beginning and 95.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1112.83ms. Allocated memory is still 153.1MB. Free memory was 95.9MB in the beginning and 59.8MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1612.69ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 59.8MB in the beginning and 111.2MB in the end (delta: -51.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.84ms. Allocated memory is still 184.5MB. Free memory is still 111.2MB. 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 58, overapproximation of bitwiseOr at line 72, overapproximation of someBinaryArithmeticDOUBLEoperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 78. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 1; [L23] unsigned char var_1_4 = 25; [L24] unsigned short int var_1_5 = 0; [L25] unsigned short int var_1_6 = 62100; [L26] unsigned short int var_1_7 = 27651; [L27] double var_1_8 = 128.9; [L28] double var_1_10 = 16.5; [L29] double var_1_11 = 25.5; [L30] double var_1_12 = 199.75; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 1; [L33] unsigned char var_1_15 = 1; [L34] unsigned char var_1_16 = 1; [L35] unsigned short int var_1_17 = 32; [L36] unsigned char var_1_18 = 1; [L37] unsigned long int var_1_19 = 1; [L38] unsigned short int var_1_20 = 25; [L39] float var_1_21 = 0.65; [L40] float var_1_22 = 7.579; [L41] unsigned short int var_1_23 = 50; [L42] signed long int var_1_24 = -25; [L43] signed short int var_1_25 = -100; [L44] signed short int var_1_26 = -256; [L45] unsigned char var_1_27 = 8; [L46] unsigned char var_1_28 = 200; [L47] unsigned char var_1_29 = 10; [L48] unsigned char var_1_30 = 0; [L49] double var_1_31 = 4.25; [L50] double var_1_32 = 2.75; [L51] unsigned short int last_1_var_1_5 = 0; [L52] unsigned char last_1_var_1_15 = 1; [L53] unsigned char last_1_var_1_18 = 1; [L54] unsigned long int last_1_var_1_19 = 1; [L184] isInitial = 1 [L185] FCALL initially() [L186] COND TRUE 1 [L187] CALL updateLastVariables() [L174] last_1_var_1_5 = var_1_5 [L175] last_1_var_1_15 = var_1_15 [L176] last_1_var_1_18 = var_1_18 [L177] last_1_var_1_19 = var_1_19 [L187] RET updateLastVariables() [L188] CALL updateVariables() [L129] var_1_4 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L131] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L132] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=62100, var_1_7=27651, var_1_8=1289/10] [L133] var_1_6 = __VERIFIER_nondet_ushort() [L134] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L135] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=27651, var_1_8=1289/10] [L136] var_1_7 = __VERIFIER_nondet_ushort() [L137] CALL assume_abort_if_not(var_1_7 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_7 >= 16383) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L138] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=33/2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L139] var_1_10 = __VERIFIER_nondet_double() [L140] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=51/2, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L141] var_1_11 = __VERIFIER_nondet_double() [L142] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=799/4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L143] var_1_12 = __VERIFIER_nondet_double() [L144] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L145] var_1_14 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L147] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L148] var_1_16 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L150] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=13/20, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L151] var_1_21 = __VERIFIER_nondet_float() [L152] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=7579/1000, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L153] var_1_22 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=50, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L155] var_1_23 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L157] CALL assume_abort_if_not(var_1_23 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_23 <= 65534) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-256, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L158] var_1_26 = __VERIFIER_nondet_short() [L159] CALL assume_abort_if_not(var_1_26 >= -32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_26 >= -32766) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L160] CALL assume_abort_if_not(var_1_26 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_26 <= 32766) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=200, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L161] var_1_28 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_28 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_28 >= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L163] CALL assume_abort_if_not(var_1_28 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_28 <= 255) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=10, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L164] var_1_29 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L166] CALL assume_abort_if_not(var_1_29 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_29 <= 127) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=0, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L167] var_1_30 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L169] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=11/4, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L170] var_1_32 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_32 >= -922337.2036854765600e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=7, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_32 >= -922337.2036854765600e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=2, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=32, var_1_18=1, var_1_19=1, var_1_1=1, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=-25, var_1_25=-100, var_1_26=-32766, var_1_27=8, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=7, var_1_4=4, var_1_5=0, var_1_6=32767, var_1_7=32767, var_1_8=1289/10] [L188] RET updateVariables() [L189] CALL step() [L58] COND FALSE !(var_1_21 == var_1_22) [L61] COND TRUE ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) > ((((128.5f) < (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22))))) ? (128.5f) : (((((var_1_22) < 0 ) ? -(var_1_22) : (var_1_22)))))) [L62] var_1_24 = ((((var_1_20) > (var_1_23)) ? (var_1_20) : (var_1_23))) [L64] COND FALSE !(var_1_20 > var_1_24) [L67] COND TRUE (var_1_28 - var_1_29) >= (~ var_1_23) [L68] COND TRUE \read(var_1_30) [L69] var_1_27 = var_1_29 [L72] EXPR var_1_27 ^ (~ var_1_29) [L72] COND FALSE !((var_1_27 ^ (~ var_1_29)) >= var_1_28) [L75] unsigned char stepLocal_3 = last_1_var_1_19 < var_1_6; [L76] COND TRUE \read(last_1_var_1_18) [L77] COND TRUE (! last_1_var_1_15) || stepLocal_3 [L78] var_1_8 = ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))) [L85] COND TRUE var_1_12 != var_1_8 [L86] var_1_15 = (! var_1_16) [L90] var_1_17 = var_1_4 [L91] var_1_18 = var_1_16 [L92] var_1_19 = var_1_4 [L93] unsigned short int stepLocal_1 = var_1_17; [L94] unsigned char stepLocal_0 = var_1_17 != (16 / var_1_4); [L95] COND FALSE !(stepLocal_0 && var_1_15) [L106] var_1_1 = var_1_17 [L108] unsigned short int stepLocal_2 = var_1_17; [L109] COND FALSE !(stepLocal_2 < last_1_var_1_5) [L112] COND TRUE ! var_1_15 [L113] var_1_5 = ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))) [L116] unsigned short int stepLocal_5 = var_1_6; [L117] unsigned short int stepLocal_4 = var_1_5; [L118] COND TRUE stepLocal_4 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19)))) [L119] COND FALSE !(var_1_5 <= stepLocal_5) [L122] var_1_13 = var_1_14 [L189] RET step() [L190] CALL, EXPR property() [L180-L181] return (((((((((var_1_17 != (16 / var_1_4)) && var_1_15) ? ((var_1_17 > var_1_4) ? (var_1_1 == ((unsigned short int) (var_1_4 + var_1_17))) : (var_1_15 ? (var_1_1 == ((unsigned short int) var_1_17)) : (var_1_1 == ((unsigned short int) var_1_4)))) : (var_1_1 == ((unsigned short int) var_1_17))) && ((var_1_17 < last_1_var_1_5) ? (var_1_5 == ((unsigned short int) (var_1_6 - (var_1_7 - last_1_var_1_5)))) : ((! var_1_15) ? (var_1_5 == ((unsigned short int) ((((last_1_var_1_5) > ((var_1_7 + var_1_4))) ? (last_1_var_1_5) : ((var_1_7 + var_1_4)))))) : 1))) && (last_1_var_1_18 ? (((! last_1_var_1_15) || (last_1_var_1_19 < var_1_6)) ? (var_1_8 == ((double) ((((127.25) > (var_1_10)) ? (127.25) : (var_1_10))))) : (var_1_8 == ((double) (var_1_11 + var_1_12)))) : (var_1_8 == ((double) var_1_11)))) && ((var_1_5 != ((var_1_6 / var_1_4) * ((((var_1_5) > (var_1_19)) ? (var_1_5) : (var_1_19))))) ? ((var_1_5 <= var_1_6) ? (var_1_13 == ((unsigned char) 32)) : (var_1_13 == ((unsigned char) var_1_14))) : (var_1_13 == ((unsigned char) var_1_14)))) && ((var_1_12 != var_1_8) ? (var_1_15 == ((unsigned char) (! var_1_16))) : (var_1_15 == ((unsigned char) var_1_16)))) && (var_1_17 == ((unsigned short int) var_1_4))) && (var_1_18 == ((unsigned char) var_1_16))) && (var_1_19 == ((unsigned long int) var_1_4)) ; [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=25, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=7, var_1_4=4, var_1_5=32771, var_1_6=32767, var_1_7=32767, var_1_8=509/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=1, last_1_var_1_18=1, last_1_var_1_19=1, last_1_var_1_5=0, var_1_10=2, var_1_11=3, var_1_12=4, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=4, var_1_18=1, var_1_19=4, var_1_1=4, var_1_20=25, var_1_21=5, var_1_22=6, var_1_23=25, var_1_24=25, var_1_25=-100, var_1_26=-32766, var_1_27=0, var_1_28=127, var_1_29=0, var_1_30=1, var_1_31=17/4, var_1_32=7, var_1_4=4, var_1_5=32771, var_1_6=32767, var_1_7=32767, var_1_8=509/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 27, 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=52occurred 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, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:06:31,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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 b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:34,229 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:34,371 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:06:34,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:34,382 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:34,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:34,427 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:34,427 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:34,428 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:34,434 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:34,434 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:34,435 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:34,435 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:34,437 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:34,438 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:34,438 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:34,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:34,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:34,441 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:34,441 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:34,441 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:34,442 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:34,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:34,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:34,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:06:34,444 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:06:34,445 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:06:34,445 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:34,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:34,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:34,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:34,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:06:34,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:34,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:34,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:34,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:34,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:34,450 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:06:34,450 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:06:34,451 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:34,451 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:34,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:34,452 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_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8b9ffa0f086760a52bbb5b7ce872ecb50536a94abf6bed664eac71cc82e5722 [2023-11-19 05:06:34,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:34,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:34,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:34,909 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:34,910 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:34,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2023-11-19 05:06:38,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:38,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:38,474 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2023-11-19 05:06:38,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/data/294f635a3/9ee7d5ea83d84f8db93dbb1789138520/FLAGde908fc4e [2023-11-19 05:06:38,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/data/294f635a3/9ee7d5ea83d84f8db93dbb1789138520 [2023-11-19 05:06:38,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:38,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:38,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:38,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:38,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:38,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:38,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d7d675a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38, skipping insertion in model container [2023-11-19 05:06:38,513 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:38,546 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:38,725 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_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2023-11-19 05:06:38,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:38,861 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:38,895 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-59.i[915,928] [2023-11-19 05:06:38,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:38,988 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:38,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38 WrapperNode [2023-11-19 05:06:38,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:38,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:38,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:38,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:38,998 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,025 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,072 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2023-11-19 05:06:39,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:39,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:39,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:39,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:39,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,090 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,090 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,123 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,125 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:39,139 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:39,139 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:39,139 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:39,140 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (1/1) ... [2023-11-19 05:06:39,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:39,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:39,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:39,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:06:39,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:06:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:06:39,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:39,376 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:39,378 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:40,293 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:40,315 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:40,315 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:06:40,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:40 BoogieIcfgContainer [2023-11-19 05:06:40,320 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:40,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:40,322 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:40,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:40,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:38" (1/3) ... [2023-11-19 05:06:40,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48231d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:40, skipping insertion in model container [2023-11-19 05:06:40,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:38" (2/3) ... [2023-11-19 05:06:40,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48231d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:40, skipping insertion in model container [2023-11-19 05:06:40,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:40" (3/3) ... [2023-11-19 05:06:40,329 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-59.i [2023-11-19 05:06:40,347 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:40,348 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:06:40,401 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:06:40,408 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;@72ca69a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:06:40,409 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:06:40,414 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:06:40,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 05:06:40,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:40,433 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:06:40,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:40,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:40,440 INFO L85 PathProgramCache]: Analyzing trace with hash -736216076, now seen corresponding path program 1 times [2023-11-19 05:06:40,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:06:40,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1591859213] [2023-11-19 05:06:40,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:40,462 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:06:40,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:06:40,467 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:06:40,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:06:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:41,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:06:41,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:41,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 584 proven. 0 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-11-19 05:06:41,155 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:06:41,156 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:06:41,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1591859213] [2023-11-19 05:06:41,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1591859213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:41,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:41,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:06:41,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180038112] [2023-11-19 05:06:41,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:41,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:06:41,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:06:41,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:06:41,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:06:41,252 INFO L87 Difference]: Start difference. First operand has 82 states, 52 states have (on average 1.4038461538461537) internal successors, (73), 53 states have internal predecessors, (73), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:06:41,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:41,317 INFO L93 Difference]: Finished difference Result 157 states and 275 transitions. [2023-11-19 05:06:41,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:06:41,322 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2023-11-19 05:06:41,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:41,332 INFO L225 Difference]: With dead ends: 157 [2023-11-19 05:06:41,332 INFO L226 Difference]: Without dead ends: 78 [2023-11-19 05:06:41,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:06:41,342 INFO L413 NwaCegarLoop]: 119 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, 119 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:41,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:06:41,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-19 05:06:41,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-19 05:06:41,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 05:06:41,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 119 transitions. [2023-11-19 05:06:41,415 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 119 transitions. Word has length 174 [2023-11-19 05:06:41,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:41,416 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 119 transitions. [2023-11-19 05:06:41,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-19 05:06:41,417 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 119 transitions. [2023-11-19 05:06:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 05:06:41,428 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:41,428 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:06:41,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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 05:06:41,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:06:41,639 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:41,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:41,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1693631740, now seen corresponding path program 1 times [2023-11-19 05:06:41,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:06:41,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1727565217] [2023-11-19 05:06:41,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:41,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:06:41,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:06:41,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:06:41,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:06:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:42,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 05:06:42,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 582 proven. 24 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2023-11-19 05:06:42,764 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:06:42,882 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:06:42,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1727565217] [2023-11-19 05:06:42,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1727565217] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:06:42,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [811431674] [2023-11-19 05:06:42,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:42,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:06:42,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:06:42,891 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:06:42,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 05:06:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:43,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:06:43,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 05:06:44,373 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:06:44,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [811431674] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:44,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:06:44,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2023-11-19 05:06:44,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812450630] [2023-11-19 05:06:44,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:44,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:06:44,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:06:44,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:06:44,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:06:44,381 INFO L87 Difference]: Start difference. First operand 78 states and 119 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:06:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:45,363 INFO L93 Difference]: Finished difference Result 229 states and 352 transitions. [2023-11-19 05:06:45,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:06:45,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2023-11-19 05:06:45,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:45,379 INFO L225 Difference]: With dead ends: 229 [2023-11-19 05:06:45,379 INFO L226 Difference]: Without dead ends: 154 [2023-11-19 05:06:45,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:06:45,383 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 72 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:45,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 333 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 05:06:45,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2023-11-19 05:06:45,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 135. [2023-11-19 05:06:45,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 78 states have (on average 1.2692307692307692) internal successors, (99), 78 states have internal predecessors, (99), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2023-11-19 05:06:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 207 transitions. [2023-11-19 05:06:45,427 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 207 transitions. Word has length 174 [2023-11-19 05:06:45,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:45,429 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 207 transitions. [2023-11-19 05:06:45,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:06:45,430 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 207 transitions. [2023-11-19 05:06:45,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 05:06:45,433 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:45,433 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:06:45,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:06:45,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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)] Ended with exit code 0 [2023-11-19 05:06:45,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:06:45,838 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:45,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:45,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1289475940, now seen corresponding path program 1 times [2023-11-19 05:06:45,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:06:45,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2115189110] [2023-11-19 05:06:45,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:45,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:06:45,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:06:45,843 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:06:45,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 05:06:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:46,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 05:06:46,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 582 proven. 24 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2023-11-19 05:06:46,656 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:06:46,745 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:06:46,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2115189110] [2023-11-19 05:06:46,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2115189110] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:06:46,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [295267250] [2023-11-19 05:06:46,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:46,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:06:46,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:06:46,748 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:06:46,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 05:06:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:47,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:06:47,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:48,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2023-11-19 05:06:48,748 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:06:48,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [295267250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:48,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:06:48,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2023-11-19 05:06:48,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551069140] [2023-11-19 05:06:48,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:48,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:06:48,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:06:48,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:06:48,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:06:48,757 INFO L87 Difference]: Start difference. First operand 135 states and 207 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:06:50,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:50,317 INFO L93 Difference]: Finished difference Result 295 states and 451 transitions. [2023-11-19 05:06:50,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:06:50,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2023-11-19 05:06:50,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:50,334 INFO L225 Difference]: With dead ends: 295 [2023-11-19 05:06:50,334 INFO L226 Difference]: Without dead ends: 220 [2023-11-19 05:06:50,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2023-11-19 05:06:50,337 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 89 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:50,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 339 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-19 05:06:50,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2023-11-19 05:06:50,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 208. [2023-11-19 05:06:50,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 123 states have (on average 1.2845528455284554) internal successors, (158), 123 states have internal predecessors, (158), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-19 05:06:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 320 transitions. [2023-11-19 05:06:50,404 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 320 transitions. Word has length 175 [2023-11-19 05:06:50,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:50,406 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 320 transitions. [2023-11-19 05:06:50,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2023-11-19 05:06:50,406 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 320 transitions. [2023-11-19 05:06:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 05:06:50,409 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:50,409 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:06:50,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:06:50,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:06:50,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:06:50,819 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:50,820 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:50,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1700272595, now seen corresponding path program 1 times [2023-11-19 05:06:50,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:06:50,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425736108] [2023-11-19 05:06:50,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:50,821 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:06:50,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:06:50,823 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:06:50,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-19 05:06:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:51,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 05:06:51,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 582 proven. 24 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2023-11-19 05:06:51,542 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:06:51,628 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:06:51,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425736108] [2023-11-19 05:06:51,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425736108] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:06:51,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [419135792] [2023-11-19 05:06:51,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:51,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:06:51,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:06:51,631 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:06:51,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 05:06:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:52,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:06:52,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:53,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 722 proven. 42 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-19 05:06:53,429 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:06:53,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-19 05:06:53,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [419135792] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:06:53,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145733043] [2023-11-19 05:06:53,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:53,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:06:53,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:53,859 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:06:53,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 05:06:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:54,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:06:54,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:06:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 722 proven. 42 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-11-19 05:06:54,468 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:06:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-19 05:06:54,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145733043] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:06:54,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2023-11-19 05:06:54,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6, 6, 6] total 12 [2023-11-19 05:06:54,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908994818] [2023-11-19 05:06:54,794 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2023-11-19 05:06:54,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 05:06:54,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:06:54,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 05:06:54,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-19 05:06:54,798 INFO L87 Difference]: Start difference. First operand 208 states and 320 transitions. Second operand has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (55), 4 states have call predecessors, (55), 7 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2023-11-19 05:06:57,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:57,741 INFO L93 Difference]: Finished difference Result 501 states and 723 transitions. [2023-11-19 05:06:57,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-19 05:06:57,742 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (55), 4 states have call predecessors, (55), 7 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) Word has length 176 [2023-11-19 05:06:57,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:57,748 INFO L225 Difference]: With dead ends: 501 [2023-11-19 05:06:57,748 INFO L226 Difference]: Without dead ends: 350 [2023-11-19 05:06:57,751 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 927 GetRequests, 888 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 392 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=388, Invalid=1094, Unknown=0, NotChecked=0, Total=1482 [2023-11-19 05:06:57,753 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 436 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:57,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 294 Invalid, 635 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-19 05:06:57,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-11-19 05:06:57,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 254. [2023-11-19 05:06:57,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 160 states have (on average 1.20625) internal successors, (193), 160 states have internal predecessors, (193), 81 states have call successors, (81), 12 states have call predecessors, (81), 12 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-11-19 05:06:57,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 355 transitions. [2023-11-19 05:06:57,811 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 355 transitions. Word has length 176 [2023-11-19 05:06:57,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:57,823 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 355 transitions. [2023-11-19 05:06:57,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.083333333333333) internal successors, (85), 12 states have internal predecessors, (85), 4 states have call successors, (55), 4 states have call predecessors, (55), 7 states have return successors, (57), 4 states have call predecessors, (57), 4 states have call successors, (57) [2023-11-19 05:06:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 355 transitions. [2023-11-19 05:06:57,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-19 05:06:57,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:57,828 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:06:57,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:06:58,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 05:06:58,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:06:58,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt [2023-11-19 05:06:58,440 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:58,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:58,441 INFO L85 PathProgramCache]: Analyzing trace with hash -2002865434, now seen corresponding path program 1 times [2023-11-19 05:06:58,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:06:58,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [247650403] [2023-11-19 05:06:58,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:58,442 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:06:58,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:06:58,443 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:06:58,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ee06598-b8a0-4916-bfc3-9a1ef8a9c7d5/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-19 05:06:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:58,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 05:06:58,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:07:04,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 762 proven. 204 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2023-11-19 05:07:04,667 INFO L327 TraceCheckSpWp]: Computing backward predicates...