./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4e34a6b56e884bd43501c26a2ebafb8fbb643f7bc7913ac6068f61fcddb00f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:45,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:45,638 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:32:45,646 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:45,647 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:45,687 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:45,688 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:45,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:45,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:45,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:45,696 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:45,697 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:45,698 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:45,700 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:32:45,701 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:45,701 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:45,702 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:32:45,702 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:32:45,703 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:45,704 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:32:45,704 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:32:45,705 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:32:45,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:45,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:45,707 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:45,707 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:32:45,707 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:45,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:45,708 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:45,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:45,710 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:45,711 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:45,711 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:45,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:45,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:45,712 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:45,712 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:45,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:45,713 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:45,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:45,714 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:45,714 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:32:45,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:32:45,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:45,715 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:45,716 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:45,716 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:45,716 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_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4e34a6b56e884bd43501c26a2ebafb8fbb643f7bc7913ac6068f61fcddb00f9 [2023-11-23 20:32:46,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:46,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:46,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:46,048 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:46,048 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:46,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i [2023-11-23 20:32:49,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:49,400 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:49,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i [2023-11-23 20:32:49,411 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/data/686b7370c/27f3f22dc64d4c78ab8347263ac91ac5/FLAG58ad8d4de [2023-11-23 20:32:49,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/data/686b7370c/27f3f22dc64d4c78ab8347263ac91ac5 [2023-11-23 20:32:49,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:49,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:49,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:49,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:49,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:49,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19b41113 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49, skipping insertion in model container [2023-11-23 20:32:49,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:49,640 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_b7488897-0657-43f8-964d-44ead1e977bf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i[916,929] [2023-11-23 20:32:49,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:49,717 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:49,738 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_b7488897-0657-43f8-964d-44ead1e977bf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i[916,929] [2023-11-23 20:32:49,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:49,813 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:49,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49 WrapperNode [2023-11-23 20:32:49,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:49,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:49,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:49,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:49,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,840 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,900 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 200 [2023-11-23 20:32:49,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:49,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:49,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:49,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:49,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,929 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,942 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,981 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:49,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:49,987 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:49,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:49,988 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:49,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (1/1) ... [2023-11-23 20:32:50,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:50,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:50,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:50,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:50,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:50,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:32:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:50,243 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:50,245 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:50,678 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:51,059 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:51,059 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:32:51,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:51 BoogieIcfgContainer [2023-11-23 20:32:51,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:51,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:51,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:51,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:51,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:49" (1/3) ... [2023-11-23 20:32:51,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9c650c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:51, skipping insertion in model container [2023-11-23 20:32:51,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:49" (2/3) ... [2023-11-23 20:32:51,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9c650c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:51, skipping insertion in model container [2023-11-23 20:32:51,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:51" (3/3) ... [2023-11-23 20:32:51,070 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-3.i [2023-11-23 20:32:51,090 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:51,090 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:51,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:51,165 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;@1793c878, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:51,165 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:32:51,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 20:32:51,184 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:51,185 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:51,185 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:51,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:51,192 INFO L85 PathProgramCache]: Analyzing trace with hash 600083110, now seen corresponding path program 1 times [2023-11-23 20:32:51,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:32:51,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193530876] [2023-11-23 20:32:51,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:51,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:32:51,452 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:32:51,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1892218477] [2023-11-23 20:32:51,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:51,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:32:51,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:51,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:32:51,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:32:51,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:51,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:32:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:32:51,969 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:32:51,971 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:32:51,973 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:32:51,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-23 20:32:52,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 20:32:52,196 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:32:52,201 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:32:52,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:32:52 BoogieIcfgContainer [2023-11-23 20:32:52,329 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:32:52,329 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:32:52,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:32:52,330 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:32:52,330 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:51" (3/4) ... [2023-11-23 20:32:52,333 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:32:52,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:32:52,335 INFO L158 Benchmark]: Toolchain (without parser) took 2902.23ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 76.8MB in the beginning and 108.9MB in the end (delta: -32.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-23 20:32:52,335 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:52,336 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.35ms. Allocated memory is still 121.6MB. Free memory was 76.8MB in the beginning and 62.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:32:52,336 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.03ms. Allocated memory is still 121.6MB. Free memory was 62.7MB in the beginning and 59.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:32:52,337 INFO L158 Benchmark]: Boogie Preprocessor took 84.89ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 59.0MB in the beginning and 131.8MB in the end (delta: -72.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-23 20:32:52,338 INFO L158 Benchmark]: RCFGBuilder took 1073.47ms. Allocated memory is still 161.5MB. Free memory was 131.8MB in the beginning and 81.7MB in the end (delta: 50.1MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2023-11-23 20:32:52,338 INFO L158 Benchmark]: TraceAbstraction took 1265.83ms. Allocated memory is still 161.5MB. Free memory was 81.7MB in the beginning and 108.9MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:52,339 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 161.5MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:32:52,342 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.35ms. Allocated memory is still 121.6MB. Free memory was 76.8MB in the beginning and 62.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.03ms. Allocated memory is still 121.6MB. Free memory was 62.7MB in the beginning and 59.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.89ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 59.0MB in the beginning and 131.8MB in the end (delta: -72.8MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1073.47ms. Allocated memory is still 161.5MB. Free memory was 131.8MB in the beginning and 81.7MB in the end (delta: 50.1MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1265.83ms. Allocated memory is still 161.5MB. Free memory was 81.7MB in the beginning and 108.9MB in the end (delta: -27.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 161.5MB. Free memory is still 108.9MB. 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 48, overapproximation of someBinaryDOUBLEComparisonOperation at line 66, overapproximation of bitwiseOr at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] float var_1_2 = 128.2; [L24] unsigned char var_1_3 = 1; [L25] float var_1_4 = 32.32; [L26] signed char var_1_5 = -32; [L27] unsigned short int var_1_6 = 256; [L28] signed long int var_1_7 = -10; [L29] signed long int var_1_8 = -16; [L30] unsigned short int var_1_9 = 32; [L31] unsigned long int var_1_10 = 256; [L32] double var_1_11 = 256.6; [L33] double var_1_12 = 8.2; [L34] signed char var_1_13 = 16; [L35] signed char var_1_14 = 10; [L36] double var_1_15 = 199.125; [L37] double var_1_16 = 9.4; [L38] double var_1_17 = 9999999999999.6; [L39] signed short int var_1_18 = 10; [L40] signed long int var_1_19 = -128; [L41] unsigned char var_1_20 = 32; [L42] unsigned char var_1_21 = 128; [L43] unsigned char var_1_22 = 64; [L44] unsigned long int var_1_23 = 64; [L146] isInitial = 1 [L147] FCALL initially() [L148] COND TRUE 1 [L149] FCALL updateLastVariables() [L150] CALL updateVariables() [L94] var_1_2 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=1, var_1_4=808/25, var_1_5=-32, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=1, var_1_4=808/25, var_1_5=-32, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L96] var_1_3 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_4=808/25, var_1_5=-32, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_4=808/25, var_1_5=-32, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L98] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_4=808/25, var_1_5=-32, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_4=808/25, var_1_5=-32, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L99] var_1_4 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-32, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-32, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L101] var_1_5 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L103] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=-10, var_1_8=-16, var_1_9=32] [L104] var_1_7 = __VERIFIER_nondet_long() [L105] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=-16, var_1_9=32] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=-16, var_1_9=32] [L106] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=-16, var_1_9=32] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=-16, var_1_9=32] [L107] var_1_8 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=32] [L109] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=32] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=32] [L110] var_1_9 = __VERIFIER_nondet_ushort() [L111] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0] [L112] CALL assume_abort_if_not(var_1_9 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_9 <= 65534) VAL [isInitial=1, var_1_10=256, var_1_11=1283/5, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L113] var_1_11 = __VERIFIER_nondet_double() [L114] CALL assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_11 >= -922337.2036854776000e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854776000e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L115] var_1_13 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L117] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L118] var_1_14 = __VERIFIER_nondet_char() [L119] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L120] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L121] var_1_15 = __VERIFIER_nondet_double() [L122] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L123] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L124] var_1_16 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=10, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L126] var_1_18 = __VERIFIER_nondet_short() [L127] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L128] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-128, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L129] var_1_19 = __VERIFIER_nondet_long() [L130] CALL assume_abort_if_not(var_1_19 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_19 >= -2147483648) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L131] CALL assume_abort_if_not(var_1_19 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_19 <= 2147483647) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L132] var_1_21 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L134] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L135] var_1_22 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L137] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, var_1_10=256, var_1_12=41/5, var_1_13=1, var_1_14=0, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L150] RET updateVariables() [L151] CALL step() [L48] COND TRUE 99999.8f < var_1_2 [L49] COND TRUE ! var_1_3 [L50] COND TRUE var_1_2 >= (var_1_4 / 2.5f) [L51] COND FALSE !(\read(var_1_3)) [L54] var_1_1 = var_1_5 [L59] COND FALSE !(\read(var_1_3)) [L64] signed char stepLocal_0 = var_1_1; [L65] EXPR var_1_7 ^ var_1_9 [L65] COND TRUE stepLocal_0 <= ((var_1_7 ^ var_1_9) + var_1_8) [L66] COND FALSE !(var_1_11 == var_1_4) [L70] unsigned char stepLocal_1 = var_1_3; [L71] COND TRUE (var_1_2 <= var_1_11) || stepLocal_1 [L72] COND TRUE (var_1_4 / var_1_15) > 25.25 [L73] var_1_12 = 128.5 [L78] COND TRUE (((((var_1_14 - var_1_18)) < (var_1_5)) ? ((var_1_14 - var_1_18)) : (var_1_5))) < var_1_19 [L79] COND FALSE !(\read(var_1_3)) [L83] signed long int stepLocal_2 = var_1_5 * var_1_13; [L84] COND FALSE !(stepLocal_2 > var_1_1) [L87] COND TRUE (var_1_17 + var_1_4) <= var_1_2 [L88] COND TRUE var_1_8 >= var_1_7 [L89] var_1_23 = var_1_9 [L151] RET step() [L152] CALL, EXPR property() [L142] EXPR (((99999.8f < var_1_2) ? ((! var_1_3) ? ((var_1_2 >= (var_1_4 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((var_1_1 + (var_1_5 + var_1_7)) >= var_1_8) ? (var_1_6 == ((unsigned short int) var_1_9)) : 1) : 1)) && ((var_1_1 <= ((var_1_7 ^ var_1_9) + var_1_8)) ? ((var_1_11 == var_1_4) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) [L142] EXPR var_1_7 ^ var_1_9 [L142] EXPR (((99999.8f < var_1_2) ? ((! var_1_3) ? ((var_1_2 >= (var_1_4 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((var_1_1 + (var_1_5 + var_1_7)) >= var_1_8) ? (var_1_6 == ((unsigned short int) var_1_9)) : 1) : 1)) && ((var_1_1 <= ((var_1_7 ^ var_1_9) + var_1_8)) ? ((var_1_11 == var_1_4) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) [L142-L143] return (((((((99999.8f < var_1_2) ? ((! var_1_3) ? ((var_1_2 >= (var_1_4 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((var_1_1 + (var_1_5 + var_1_7)) >= var_1_8) ? (var_1_6 == ((unsigned short int) var_1_9)) : 1) : 1)) && ((var_1_1 <= ((var_1_7 ^ var_1_9) + var_1_8)) ? ((var_1_11 == var_1_4) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_2 <= var_1_11) || var_1_3) ? (((var_1_4 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_18)) < (var_1_5)) ? ((var_1_14 - var_1_18)) : (var_1_5))) < var_1_19) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > var_1_1) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_4) <= var_1_2) ? ((var_1_8 >= var_1_7) ? (var_1_23 == ((unsigned long int) var_1_9)) : 1) : 1) ; [L152] RET, EXPR property() [L152] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=256, var_1_12=257/2, var_1_13=1, var_1_14=0, var_1_16=257/2, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=256, var_1_12=257/2, var_1_13=1, var_1_14=0, var_1_16=257/2, var_1_17=49999999999998/5, var_1_18=0, var_1_19=-63, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=0, var_1_23=64, var_1_3=0, var_1_5=-64, var_1_6=256, var_1_7=0, var_1_8=0, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 28, 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=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:32:52,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b4e34a6b56e884bd43501c26a2ebafb8fbb643f7bc7913ac6068f61fcddb00f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:55,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:55,078 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:32:55,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:55,101 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:55,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:55,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:55,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:55,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:55,134 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:55,134 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:55,135 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:55,136 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:55,136 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:55,137 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:55,137 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:55,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:55,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:55,140 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:55,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:55,141 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:55,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:55,142 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:55,142 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:55,143 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:32:55,143 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:32:55,144 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:32:55,144 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:55,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:55,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:55,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:55,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:32:55,147 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:55,147 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:55,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:55,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:55,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:55,150 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:55,151 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:32:55,151 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:55,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:55,153 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:55,153 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:55,154 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:55,154 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_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4e34a6b56e884bd43501c26a2ebafb8fbb643f7bc7913ac6068f61fcddb00f9 [2023-11-23 20:32:55,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:55,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:55,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:55,645 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:55,646 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:55,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i [2023-11-23 20:32:58,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:59,170 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:59,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i [2023-11-23 20:32:59,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/data/000b1fa10/0f71bbe7d7c54d1a90615bec12fc6835/FLAG7792be564 [2023-11-23 20:32:59,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/data/000b1fa10/0f71bbe7d7c54d1a90615bec12fc6835 [2023-11-23 20:32:59,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:59,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:59,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:59,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:59,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:59,220 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,222 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a3bf3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59, skipping insertion in model container [2023-11-23 20:32:59,222 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,255 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:59,440 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_b7488897-0657-43f8-964d-44ead1e977bf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i[916,929] [2023-11-23 20:32:59,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:59,582 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:59,598 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_b7488897-0657-43f8-964d-44ead1e977bf/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_steplocals_file-3.i[916,929] [2023-11-23 20:32:59,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:59,691 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:59,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59 WrapperNode [2023-11-23 20:32:59,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:59,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:59,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:59,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:59,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,779 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 160 [2023-11-23 20:32:59,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:59,780 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:59,781 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:59,781 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:59,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,848 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:59,874 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:59,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:59,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:59,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (1/1) ... [2023-11-23 20:32:59,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:59,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:59,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:33:00,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:33:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:33:00,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:33:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:33:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:33:00,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:33:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:33:00,186 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:33:00,189 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:33:10,781 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:33:10,848 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:33:10,849 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:33:10,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:10 BoogieIcfgContainer [2023-11-23 20:33:10,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:33:10,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:33:10,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:33:10,855 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:33:10,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:59" (1/3) ... [2023-11-23 20:33:10,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6e9e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:10, skipping insertion in model container [2023-11-23 20:33:10,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:59" (2/3) ... [2023-11-23 20:33:10,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f6e9e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:33:10, skipping insertion in model container [2023-11-23 20:33:10,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:33:10" (3/3) ... [2023-11-23 20:33:10,859 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_steplocals_file-3.i [2023-11-23 20:33:10,878 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:33:10,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:33:10,928 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:33:10,935 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;@18fd450c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:33:10,935 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:33:10,939 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 45 states have internal predecessors, (64), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:33:10,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 20:33:10,957 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:10,958 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:10,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:10,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:10,965 INFO L85 PathProgramCache]: Analyzing trace with hash 2053607671, now seen corresponding path program 1 times [2023-11-23 20:33:10,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:10,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [872875278] [2023-11-23 20:33:10,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:10,981 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:10,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:10,984 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:33:11,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:33:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:12,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:33:12,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:33:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-23 20:33:12,380 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:33:12,381 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:33:12,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [872875278] [2023-11-23 20:33:12,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [872875278] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:33:12,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:33:12,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:33:12,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600835611] [2023-11-23 20:33:12,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:33:12,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:33:12,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:33:12,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:33:12,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:33:12,438 INFO L87 Difference]: Start difference. First operand has 75 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 45 states have internal predecessors, (64), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:33:14,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:33:14,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:33:14,993 INFO L93 Difference]: Finished difference Result 147 states and 266 transitions. [2023-11-23 20:33:15,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:33:15,157 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 171 [2023-11-23 20:33:15,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:33:15,166 INFO L225 Difference]: With dead ends: 147 [2023-11-23 20:33:15,167 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 20:33:15,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:33:15,175 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:33:15,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.5s Time] [2023-11-23 20:33:15,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 20:33:15,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 20:33:15,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 43 states have (on average 1.372093023255814) internal successors, (59), 43 states have internal predecessors, (59), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-23 20:33:15,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 115 transitions. [2023-11-23 20:33:15,242 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 115 transitions. Word has length 171 [2023-11-23 20:33:15,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:33:15,244 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 115 transitions. [2023-11-23 20:33:15,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-23 20:33:15,245 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 115 transitions. [2023-11-23 20:33:15,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 20:33:15,250 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:33:15,251 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:33:15,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:33:15,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:15,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:33:15,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:33:15,457 INFO L85 PathProgramCache]: Analyzing trace with hash 537126519, now seen corresponding path program 1 times [2023-11-23 20:33:15,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:33:15,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231723216] [2023-11-23 20:33:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:33:15,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:33:15,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:33:15,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:33:15,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7488897-0657-43f8-964d-44ead1e977bf/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:33:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:33:16,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:33:16,934 INFO L285 TraceCheckSpWp]: Computing forward predicates...