./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.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_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/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_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/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_7b2085e4-1abe-401d-b0f1-ba16aa432751/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 83e6a5fc52c7b932388db74a3265271ec19421eb7c3c3913e89558f5e921b8d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:16:52,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:16:52,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:16:52,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:16:52,656 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:16:52,703 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:16:52,704 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:16:52,705 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:16:52,706 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:16:52,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:16:52,713 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:16:52,714 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:16:52,715 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:16:52,717 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:16:52,717 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:16:52,718 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:16:52,718 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:16:52,718 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:16:52,719 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:16:52,719 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:16:52,720 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:16:52,721 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:16:52,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:16:52,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:16:52,723 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:16:52,724 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:16:52,724 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:16:52,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:16:52,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:16:52,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:16:52,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:16:52,728 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:16:52,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:16:52,728 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:16:52,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:16:52,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:16:52,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:16:52,730 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:16:52,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:16:52,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:16:52,730 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:16:52,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:16:52,731 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:16:52,731 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:16:52,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:16:52,732 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_7b2085e4-1abe-401d-b0f1-ba16aa432751/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83e6a5fc52c7b932388db74a3265271ec19421eb7c3c3913e89558f5e921b8d3 [2023-11-19 04:16:53,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:16:53,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:16:53,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:16:53,121 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:16:53,122 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:16:53,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.i [2023-11-19 04:16:56,534 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:16:56,811 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:16:56,812 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.i [2023-11-19 04:16:56,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/data/8a7c4eafc/6d56312dd48d422798e5c15f40df1f35/FLAGf0c921347 [2023-11-19 04:16:56,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/data/8a7c4eafc/6d56312dd48d422798e5c15f40df1f35 [2023-11-19 04:16:56,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:16:56,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:16:56,855 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:16:56,855 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:16:56,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:16:56,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:16:56" (1/1) ... [2023-11-19 04:16:56,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64558c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:56, skipping insertion in model container [2023-11-19 04:16:56,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:16:56" (1/1) ... [2023-11-19 04:16:56,912 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:16:57,092 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_7b2085e4-1abe-401d-b0f1-ba16aa432751/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.i[915,928] [2023-11-19 04:16:57,170 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:16:57,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:16:57,202 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_7b2085e4-1abe-401d-b0f1-ba16aa432751/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.i[915,928] [2023-11-19 04:16:57,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:16:57,262 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:16:57,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57 WrapperNode [2023-11-19 04:16:57,263 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:16:57,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:16:57,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:16:57,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:16:57,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,362 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2023-11-19 04:16:57,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:16:57,363 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:16:57,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:16:57,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:16:57,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:16:57,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:16:57,414 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:16:57,414 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:16:57,415 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (1/1) ... [2023-11-19 04:16:57,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:16:57,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:16:57,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:16:57,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:16:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:16:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:16:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:16:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:16:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:16:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:16:57,651 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:16:57,655 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:16:58,238 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:16:58,460 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:16:58,460 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:16:58,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:58 BoogieIcfgContainer [2023-11-19 04:16:58,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:16:58,468 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:16:58,469 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:16:58,472 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:16:58,473 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:16:56" (1/3) ... [2023-11-19 04:16:58,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ea8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:16:58, skipping insertion in model container [2023-11-19 04:16:58,474 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:16:57" (2/3) ... [2023-11-19 04:16:58,474 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ea8b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:16:58, skipping insertion in model container [2023-11-19 04:16:58,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:58" (3/3) ... [2023-11-19 04:16:58,476 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-40.i [2023-11-19 04:16:58,497 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:16:58,497 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:16:58,573 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:16:58,585 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;@58091f07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:16:58,586 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:16:58,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:16:58,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:16:58,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:16:58,614 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:16:58,616 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:16:58,624 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:16:58,625 INFO L85 PathProgramCache]: Analyzing trace with hash -743019631, now seen corresponding path program 1 times [2023-11-19 04:16:58,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:16:58,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045854017] [2023-11-19 04:16:58,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:58,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:16:58,948 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:16:58,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [459002215] [2023-11-19 04:16:58,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:16:58,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:16:58,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:16:58,961 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:16:58,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:16:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:16:59,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:17:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:17:03,603 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 04:17:03,606 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 04:17:03,608 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:17:03,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:17:03,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 04:17:03,824 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 04:17:03,827 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:17:03,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:17:03 BoogieIcfgContainer [2023-11-19 04:17:03,937 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:17:03,938 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:17:03,938 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:17:03,938 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:17:03,939 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:16:58" (3/4) ... [2023-11-19 04:17:03,941 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:17:03,942 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:17:03,944 INFO L158 Benchmark]: Toolchain (without parser) took 7090.76ms. Allocated memory is still 144.7MB. Free memory was 100.6MB in the beginning and 91.5MB in the end (delta: 9.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-19 04:17:03,944 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:17:03,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.00ms. Allocated memory is still 144.7MB. Free memory was 100.3MB in the beginning and 85.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:17:03,946 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.90ms. Allocated memory is still 144.7MB. Free memory was 85.9MB in the beginning and 81.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:17:03,947 INFO L158 Benchmark]: Boogie Preprocessor took 49.42ms. Allocated memory is still 144.7MB. Free memory was 81.8MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:17:03,947 INFO L158 Benchmark]: RCFGBuilder took 1052.45ms. Allocated memory is still 144.7MB. Free memory was 79.7MB in the beginning and 80.1MB in the end (delta: -423.3kB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-11-19 04:17:03,948 INFO L158 Benchmark]: TraceAbstraction took 5469.08ms. Allocated memory is still 144.7MB. Free memory was 79.2MB in the beginning and 91.5MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:17:03,948 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 144.7MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:17:03,952 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 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.00ms. Allocated memory is still 144.7MB. Free memory was 100.3MB in the beginning and 85.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.90ms. Allocated memory is still 144.7MB. Free memory was 85.9MB in the beginning and 81.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.42ms. Allocated memory is still 144.7MB. Free memory was 81.8MB in the beginning and 79.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1052.45ms. Allocated memory is still 144.7MB. Free memory was 79.7MB in the beginning and 80.1MB in the end (delta: -423.3kB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 5469.08ms. Allocated memory is still 144.7MB. Free memory was 79.2MB in the beginning and 91.5MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 144.7MB. Free memory is still 91.5MB. 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 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 157, overapproximation of someUnaryDOUBLEoperation at line 35. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 128; [L23] signed short int var_1_4 = -200; [L24] unsigned short int var_1_8 = 5; [L25] unsigned char var_1_9 = 1; [L26] unsigned char var_1_10 = 0; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 16; [L29] unsigned char var_1_15 = 50; [L30] unsigned short int var_1_16 = 1; [L31] float var_1_17 = 25.4; [L32] float var_1_20 = 1.6; [L33] unsigned short int var_1_21 = 0; [L34] float var_1_24 = 128.5; [L35] double var_1_25 = -0.5; [L36] signed long int var_1_26 = 4; [L37] signed char var_1_27 = 2; [L38] signed char var_1_28 = -16; [L39] signed char var_1_29 = 0; [L40] unsigned char var_1_30 = 0; [L41] float var_1_31 = 127.75; [L42] float var_1_32 = 15.5; [L43] unsigned long int var_1_33 = 16; [L44] signed long int var_1_34 = 256; [L45] unsigned char var_1_35 = 0; [L46] signed short int var_1_36 = 8; [L47] signed long int var_1_37 = 256; [L48] unsigned long int var_1_38 = 500; [L49] unsigned char last_1_var_1_9 = 1; [L50] float last_1_var_1_24 = 128.5; [L161] isInitial = 1 [L162] FCALL initially() [L163] COND TRUE 1 [L164] CALL updateLastVariables() [L153] last_1_var_1_9 = var_1_9 [L154] last_1_var_1_24 = var_1_24 [L164] RET updateLastVariables() [L165] CALL updateVariables() [L116] var_1_4 = __VERIFIER_nondet_short() [L117] CALL assume_abort_if_not(var_1_4 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_4 >= -32768) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=5, var_1_9=1] [L118] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=5, var_1_9=1] [L119] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=5, var_1_9=1] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=5, var_1_9=1] [L120] var_1_8 = __VERIFIER_nondet_ushort() [L121] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L122] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L123] var_1_10 = __VERIFIER_nondet_uchar() [L124] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L125] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L126] var_1_11 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L128] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=50, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L129] var_1_15 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L131] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=8/5, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L132] var_1_20 = __VERIFIER_nondet_float() [L133] CALL assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_20 >= -922337.2036854765600e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-16, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L134] var_1_28 = __VERIFIER_nondet_char() [L135] CALL assume_abort_if_not(var_1_28 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_28 >= -126) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L136] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=0, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L137] var_1_29 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_29 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_29 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L139] CALL assume_abort_if_not(var_1_29 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_29 <= 126) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=31/2, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L140] var_1_32 = __VERIFIER_nondet_float() [L141] 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_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L141] 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_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L142] var_1_35 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_35 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_35 >= 0) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L144] CALL assume_abort_if_not(var_1_35 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_35 <= 1) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=8, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L145] var_1_36 = __VERIFIER_nondet_short() [L146] CALL assume_abort_if_not(var_1_36 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=-1, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_36 >= -1) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=-1, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L147] CALL assume_abort_if_not(var_1_36 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=-1, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_36 <= 32767) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=-1, var_1_37=256, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L148] var_1_37 = __VERIFIER_nondet_long() [L149] CALL assume_abort_if_not(var_1_37 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=-1, var_1_37=257, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_37 >= -2147483647) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=-1, var_1_37=257, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L150] CALL assume_abort_if_not(var_1_37 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=-1, var_1_37=257, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_37 <= 2147483646) VAL [isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=16, var_1_15=2, var_1_16=1, var_1_17=127/5, var_1_1=128, var_1_20=2, var_1_21=0, var_1_24=257/2, var_1_26=4, var_1_27=2, var_1_28=-32, var_1_29=126, var_1_30=0, var_1_31=511/4, var_1_32=3, var_1_33=16, var_1_34=256, var_1_35=0, var_1_36=-1, var_1_37=257, var_1_38=500, var_1_4=155, var_1_8=0, var_1_9=1] [L165] RET updateVariables() [L166] CALL step() [L54] var_1_27 = (((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) - var_1_29) [L55] COND TRUE -32 <= var_1_28 [L56] var_1_30 = var_1_29 [L58] var_1_31 = var_1_32 [L59] var_1_33 = var_1_30 [L60] COND TRUE var_1_31 > var_1_32 [L61] COND FALSE !(\read(var_1_35)) [L71] COND TRUE var_1_34 < var_1_37 [L72] var_1_38 = ((((var_1_30 + var_1_29) < 0 ) ? -(var_1_30 + var_1_29) : (var_1_30 + var_1_29))) [L76] COND FALSE !((last_1_var_1_9 && var_1_11) && (50 > var_1_8)) [L83] var_1_12 = var_1_15 [L85] unsigned char stepLocal_1 = var_1_10; [L86] COND TRUE (var_1_12 != var_1_4) || stepLocal_1 [L87] var_1_9 = var_1_11 [L89] var_1_26 = var_1_12 [L90] COND FALSE !((var_1_9 && var_1_11) && var_1_9) [L93] var_1_21 = ((23370 - var_1_15) + var_1_12) [L95] signed long int stepLocal_2 = -4; [L96] COND FALSE !(! (-4 < var_1_12)) [L99] COND FALSE !(stepLocal_2 > var_1_21) [L103] var_1_16 = (((((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) < (var_1_15)) ? ((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) : (var_1_15))) [L104] var_1_25 = var_1_20 [L105] unsigned short int stepLocal_0 = var_1_16; [L106] COND TRUE ((var_1_16 * var_1_16) / var_1_4) <= stepLocal_0 [L107] var_1_1 = var_1_12 [L111] COND FALSE !((var_1_16 - ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) < (var_1_12 - var_1_16)) [L166] RET step() [L167] CALL, EXPR property() [L157-L158] return (((((((((((var_1_16 * var_1_16) / var_1_4) <= var_1_16) ? (var_1_1 == ((unsigned short int) var_1_12)) : (var_1_1 == ((unsigned short int) (var_1_12 + var_1_12)))) && (((var_1_12 != var_1_4) || var_1_10) ? (var_1_9 == ((unsigned char) var_1_11)) : 1)) && (((last_1_var_1_9 && var_1_11) && (50 > var_1_8)) ? (((- last_1_var_1_24) < last_1_var_1_24) ? (last_1_var_1_9 ? (var_1_12 == ((unsigned char) 5)) : 1) : 1) : (var_1_12 == ((unsigned char) var_1_15)))) && (var_1_16 == ((unsigned short int) (((((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) < (var_1_15)) ? ((((((256) > (var_1_12)) ? (256) : (var_1_12))) + var_1_12)) : (var_1_15)))))) && (((var_1_16 - ((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1)))) < (var_1_12 - var_1_16)) ? (var_1_17 == ((float) var_1_20)) : 1)) && (((var_1_9 && var_1_11) && var_1_9) ? (var_1_21 == ((unsigned short int) (var_1_26 + (var_1_15 + ((((var_1_12) > (var_1_12)) ? (var_1_12) : (var_1_12))))))) : (var_1_21 == ((unsigned short int) ((23370 - var_1_15) + var_1_12))))) && ((! (-4 < var_1_12)) ? (var_1_24 == ((float) var_1_20)) : ((-4 > var_1_21) ? (var_1_24 == ((float) 10.6f)) : 1))) && (var_1_25 == ((double) var_1_20))) && (var_1_26 == ((signed long int) var_1_12)) ; [L167] RET, EXPR property() [L167] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_27=-94, var_1_28=-32, var_1_29=126, var_1_30=126, var_1_31=3, var_1_32=3, var_1_33=126, var_1_34=256, var_1_35=0, var_1_36=-1, var_1_37=257, var_1_38=252, var_1_4=155, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_24=257/2, last_1_var_1_9=1, var_1_10=1, var_1_11=0, var_1_12=2, var_1_15=2, var_1_16=2, var_1_17=127/5, var_1_1=2, var_1_20=2, var_1_21=23370, var_1_24=257/2, var_1_25=2, var_1_26=2, var_1_27=-94, var_1_28=-32, var_1_29=126, var_1_30=126, var_1_31=3, var_1_32=3, var_1_33=126, var_1_34=256, var_1_35=0, var_1_36=-1, var_1_37=257, var_1_38=252, var_1_4=155, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:17:04,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/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_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/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_7b2085e4-1abe-401d-b0f1-ba16aa432751/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 83e6a5fc52c7b932388db74a3265271ec19421eb7c3c3913e89558f5e921b8d3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:17:06,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:17:06,788 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 04:17:06,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:17:06,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:17:06,820 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:17:06,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:17:06,821 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:17:06,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:17:06,822 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:17:06,823 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:17:06,823 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:17:06,824 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:17:06,825 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:17:06,825 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:17:06,826 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:17:06,827 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:17:06,827 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:17:06,828 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:17:06,829 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:17:06,829 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:17:06,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:17:06,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:17:06,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:17:06,831 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:17:06,832 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:17:06,833 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:17:06,833 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:17:06,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:17:06,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:17:06,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:17:06,835 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 04:17:06,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:17:06,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:06,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:17:06,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:17:06,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:17:06,838 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:17:06,838 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:17:06,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:17:06,839 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:17:06,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:17:06,840 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_7b2085e4-1abe-401d-b0f1-ba16aa432751/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83e6a5fc52c7b932388db74a3265271ec19421eb7c3c3913e89558f5e921b8d3 [2023-11-19 04:17:07,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:17:07,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:17:07,257 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:17:07,259 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:17:07,259 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:17:07,261 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.i [2023-11-19 04:17:10,510 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:17:10,789 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:17:10,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.i [2023-11-19 04:17:10,800 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/data/a44436f2b/7e7598be61a84cabba1b708ddd1305ad/FLAG964f0efe9 [2023-11-19 04:17:10,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/data/a44436f2b/7e7598be61a84cabba1b708ddd1305ad [2023-11-19 04:17:10,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:17:10,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:17:10,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:10,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:17:10,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:17:10,829 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:10" (1/1) ... [2023-11-19 04:17:10,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20785ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:10, skipping insertion in model container [2023-11-19 04:17:10,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:17:10" (1/1) ... [2023-11-19 04:17:10,863 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:17:11,063 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_7b2085e4-1abe-401d-b0f1-ba16aa432751/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.i[915,928] [2023-11-19 04:17:11,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:17:11,169 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:17:11,182 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_7b2085e4-1abe-401d-b0f1-ba16aa432751/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-40.i[915,928] [2023-11-19 04:17:11,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:17:11,236 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:17:11,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11 WrapperNode [2023-11-19 04:17:11,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:17:11,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:17:11,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:17:11,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:17:11,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,293 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-11-19 04:17:11,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:17:11,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:17:11,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:17:11,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:17:11,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,327 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,332 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,338 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:17:11,344 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:17:11,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:17:11,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:17:11,345 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (1/1) ... [2023-11-19 04:17:11,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:17:11,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:17:11,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:17:11,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:17:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:17:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:17:11,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:17:11,483 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:17:11,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:17:11,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:17:11,627 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:17:11,630 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:17:12,350 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:17:12,360 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:17:12,360 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:17:12,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:12 BoogieIcfgContainer [2023-11-19 04:17:12,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:17:12,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:17:12,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:17:12,372 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:17:12,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:17:10" (1/3) ... [2023-11-19 04:17:12,373 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e99fd6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:17:12, skipping insertion in model container [2023-11-19 04:17:12,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:17:11" (2/3) ... [2023-11-19 04:17:12,374 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e99fd6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:17:12, skipping insertion in model container [2023-11-19 04:17:12,374 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:17:12" (3/3) ... [2023-11-19 04:17:12,376 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-40.i [2023-11-19 04:17:12,396 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:17:12,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:17:12,453 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:17:12,461 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;@276a0ff2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:17:12,462 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:17:12,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 48 states have internal predecessors, (66), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:17:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 04:17:12,491 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:12,492 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:12,492 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:12,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:12,499 INFO L85 PathProgramCache]: Analyzing trace with hash -147971958, now seen corresponding path program 1 times [2023-11-19 04:17:12,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:17:12,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1954226733] [2023-11-19 04:17:12,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:12,517 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:17:12,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:17:12,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:17:12,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 04:17:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:13,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:17:13,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:17:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-19 04:17:13,117 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:17:13,118 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:17:13,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1954226733] [2023-11-19 04:17:13,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1954226733] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:13,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:13,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:17:13,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486728113] [2023-11-19 04:17:13,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:13,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:17:13,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:17:13,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:17:13,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:17:13,182 INFO L87 Difference]: Start difference. First operand has 73 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 48 states have internal predecessors, (66), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 04:17:13,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:13,242 INFO L93 Difference]: Finished difference Result 139 states and 241 transitions. [2023-11-19 04:17:13,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:17:13,245 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2023-11-19 04:17:13,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:13,258 INFO L225 Difference]: With dead ends: 139 [2023-11-19 04:17:13,259 INFO L226 Difference]: Without dead ends: 69 [2023-11-19 04:17:13,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:17:13,268 INFO L413 NwaCegarLoop]: 104 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, 104 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:13,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 04:17:13,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-19 04:17:13,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-19 04:17:13,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.3181818181818181) internal successors, (58), 44 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:17:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 104 transitions. [2023-11-19 04:17:13,341 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 104 transitions. Word has length 151 [2023-11-19 04:17:13,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:13,342 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 104 transitions. [2023-11-19 04:17:13,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-19 04:17:13,342 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2023-11-19 04:17:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 04:17:13,353 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:13,354 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:13,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:17:13,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:17:13,562 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:13,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:13,563 INFO L85 PathProgramCache]: Analyzing trace with hash -509668076, now seen corresponding path program 1 times [2023-11-19 04:17:13,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:17:13,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [321270933] [2023-11-19 04:17:13,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:13,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:17:13,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:17:13,568 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:17:13,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 04:17:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:13,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 04:17:13,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:17:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 04:17:14,046 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:17:14,046 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:17:14,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [321270933] [2023-11-19 04:17:14,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [321270933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:14,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:14,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 04:17:14,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314061526] [2023-11-19 04:17:14,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:14,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:17:14,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:17:14,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:17:14,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:14,059 INFO L87 Difference]: Start difference. First operand 69 states and 104 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:17:14,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:14,273 INFO L93 Difference]: Finished difference Result 135 states and 205 transitions. [2023-11-19 04:17:14,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:17:14,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-19 04:17:14,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:14,291 INFO L225 Difference]: With dead ends: 135 [2023-11-19 04:17:14,291 INFO L226 Difference]: Without dead ends: 69 [2023-11-19 04:17:14,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:17:14,294 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 6 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:14,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 195 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 04:17:14,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-19 04:17:14,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-19 04:17:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 04:17:14,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 103 transitions. [2023-11-19 04:17:14,319 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 103 transitions. Word has length 152 [2023-11-19 04:17:14,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:14,326 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 103 transitions. [2023-11-19 04:17:14,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:17:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2023-11-19 04:17:14,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 04:17:14,331 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:14,332 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:14,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:17:14,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:17:14,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:14,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:14,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1319014702, now seen corresponding path program 1 times [2023-11-19 04:17:14,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:17:14,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1927597854] [2023-11-19 04:17:14,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:14,540 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:17:14,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:17:14,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:17:14,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 04:17:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:14,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 04:17:14,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:17:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-19 04:17:15,058 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 04:17:15,058 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 04:17:15,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1927597854] [2023-11-19 04:17:15,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1927597854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:17:15,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:17:15,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 04:17:15,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467209822] [2023-11-19 04:17:15,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:17:15,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 04:17:15,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 04:17:15,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 04:17:15,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 04:17:15,062 INFO L87 Difference]: Start difference. First operand 69 states and 103 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:17:16,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:17:16,910 INFO L93 Difference]: Finished difference Result 282 states and 417 transitions. [2023-11-19 04:17:16,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 04:17:16,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 152 [2023-11-19 04:17:16,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:17:16,916 INFO L225 Difference]: With dead ends: 282 [2023-11-19 04:17:16,916 INFO L226 Difference]: Without dead ends: 216 [2023-11-19 04:17:16,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-19 04:17:16,918 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 196 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-11-19 04:17:16,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 499 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-11-19 04:17:16,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2023-11-19 04:17:16,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 128. [2023-11-19 04:17:16,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 78 states have (on average 1.2307692307692308) internal successors, (96), 79 states have internal predecessors, (96), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-19 04:17:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 188 transitions. [2023-11-19 04:17:16,986 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 188 transitions. Word has length 152 [2023-11-19 04:17:16,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:17:16,988 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 188 transitions. [2023-11-19 04:17:16,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-19 04:17:16,988 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 188 transitions. [2023-11-19 04:17:16,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 04:17:16,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:17:16,991 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:17:17,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 04:17:17,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:17:17,199 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:17:17,203 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:17:17,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1317167660, now seen corresponding path program 1 times [2023-11-19 04:17:17,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 04:17:17,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [221576021] [2023-11-19 04:17:17,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:17:17,205 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 04:17:17,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 04:17:17,206 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 04:17:17,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b2085e4-1abe-401d-b0f1-ba16aa432751/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 04:17:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:17:17,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:17:17,580 INFO L285 TraceCheckSpWp]: Computing forward predicates...