./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91 --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 5536eec27f0e30a34c1a96e838ac5cf11c75a521ed3ec15ff2fb1a338cbfa9d3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:21:45,967 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:21:46,098 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:21:46,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:21:46,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:21:46,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:21:46,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:21:46,156 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:21:46,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:21:46,162 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:21:46,162 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:21:46,164 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:21:46,164 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:21:46,166 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:21:46,167 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:21:46,167 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:21:46,168 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:21:46,168 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:21:46,169 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:21:46,170 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:21:46,170 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:21:46,171 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:21:46,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:21:46,173 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:21:46,173 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:21:46,174 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:21:46,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:21:46,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:21:46,175 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:21:46,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:21:46,177 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:21:46,177 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:21:46,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:21:46,178 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:21:46,178 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:21:46,178 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:21:46,179 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:21:46,179 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:46,179 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:21:46,180 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:21:46,180 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:21:46,180 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:21:46,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:21:46,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:21:46,182 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:21:46,182 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:21:46,182 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:21:46,183 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_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5536eec27f0e30a34c1a96e838ac5cf11c75a521ed3ec15ff2fb1a338cbfa9d3 [2023-11-24 23:21:46,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:21:46,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:21:46,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:21:46,587 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:21:46,587 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:21:46,589 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-24 23:21:49,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:21:49,996 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:21:49,996 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-24 23:21:50,007 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/data/3e4cc9e5c/581397302e224895b7c0fabf85386e16/FLAG4598147d4 [2023-11-24 23:21:50,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/data/3e4cc9e5c/581397302e224895b7c0fabf85386e16 [2023-11-24 23:21:50,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:21:50,026 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:21:50,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:50,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:21:50,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:21:50,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62951eb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50, skipping insertion in model container [2023-11-24 23:21:50,036 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:21:50,231 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_83475899-ac79-4508-9be2-9e46729d0417/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i[916,929] [2023-11-24 23:21:50,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:50,345 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:21:50,359 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_83475899-ac79-4508-9be2-9e46729d0417/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i[916,929] [2023-11-24 23:21:50,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:50,446 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:21:50,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50 WrapperNode [2023-11-24 23:21:50,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:50,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:50,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:21:50,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:21:50,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,542 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 249 [2023-11-24 23:21:50,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:50,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:21:50,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:21:50,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:21:50,557 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:21:50,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:21:50,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:21:50,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:21:50,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (1/1) ... [2023-11-24 23:21:50,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:50,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:50,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:21:50,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:21:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:21:50,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:21:50,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:21:50,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:21:50,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:21:50,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:21:50,852 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:21:50,855 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:21:51,660 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:21:52,051 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:21:52,052 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:21:52,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:52 BoogieIcfgContainer [2023-11-24 23:21:52,054 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:21:52,057 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:21:52,057 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:21:52,061 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:21:52,062 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:21:50" (1/3) ... [2023-11-24 23:21:52,063 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b694a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:52, skipping insertion in model container [2023-11-24 23:21:52,063 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:50" (2/3) ... [2023-11-24 23:21:52,065 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b694a88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:52, skipping insertion in model container [2023-11-24 23:21:52,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:52" (3/3) ... [2023-11-24 23:21:52,067 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-24 23:21:52,089 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:21:52,090 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:21:52,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:21:52,170 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;@f3404d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:21:52,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:21:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:21:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-24 23:21:52,193 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:52,194 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:52,195 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:52,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:52,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1733841426, now seen corresponding path program 1 times [2023-11-24 23:21:52,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:21:52,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910144160] [2023-11-24 23:21:52,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:52,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:21:52,473 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:21:52,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [312299080] [2023-11-24 23:21:52,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:52,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:21:52,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:52,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:21:52,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:21:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:21:53,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:21:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:21:54,712 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:21:54,715 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:21:54,716 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:21:54,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:21:54,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:21:54,933 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:21:54,936 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:21:55,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:21:55 BoogieIcfgContainer [2023-11-24 23:21:55,085 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:21:55,085 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:21:55,085 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:21:55,086 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:21:55,086 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:52" (3/4) ... [2023-11-24 23:21:55,088 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:21:55,090 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:21:55,091 INFO L158 Benchmark]: Toolchain (without parser) took 5064.82ms. Allocated memory is still 184.5MB. Free memory was 136.1MB in the beginning and 109.9MB in the end (delta: 26.2MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2023-11-24 23:21:55,091 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:55,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 420.18ms. Allocated memory is still 184.5MB. Free memory was 136.1MB in the beginning and 119.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:21:55,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.63ms. Allocated memory is still 184.5MB. Free memory was 119.0MB in the beginning and 113.1MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:21:55,099 INFO L158 Benchmark]: Boogie Preprocessor took 78.85ms. Allocated memory is still 184.5MB. Free memory was 113.1MB in the beginning and 110.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:21:55,100 INFO L158 Benchmark]: RCFGBuilder took 1430.58ms. Allocated memory is still 184.5MB. Free memory was 110.2MB in the beginning and 90.6MB in the end (delta: 19.6MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2023-11-24 23:21:55,101 INFO L158 Benchmark]: TraceAbstraction took 3028.17ms. Allocated memory is still 184.5MB. Free memory was 89.5MB in the beginning and 111.0MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:21:55,102 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 184.5MB. Free memory was 111.0MB in the beginning and 109.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:21:55,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 142.6MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 420.18ms. Allocated memory is still 184.5MB. Free memory was 136.1MB in the beginning and 119.0MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.63ms. Allocated memory is still 184.5MB. Free memory was 119.0MB in the beginning and 113.1MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.85ms. Allocated memory is still 184.5MB. Free memory was 113.1MB in the beginning and 110.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1430.58ms. Allocated memory is still 184.5MB. Free memory was 110.2MB in the beginning and 90.6MB in the end (delta: 19.6MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * TraceAbstraction took 3028.17ms. Allocated memory is still 184.5MB. Free memory was 89.5MB in the beginning and 111.0MB in the end (delta: -21.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 184.5MB. Free memory was 111.0MB in the beginning and 109.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 68, overapproximation of bitwiseOr at line 74, overapproximation of someBinaryArithmeticFLOAToperation at line 91. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 256; [L23] unsigned long int var_1_8 = 3645380125; [L24] float var_1_11 = 0.625; [L25] float var_1_12 = 31.2; [L26] float var_1_13 = 0.0; [L27] float var_1_14 = 32.8; [L28] unsigned short int var_1_15 = 64; [L29] signed char var_1_17 = -16; [L30] signed char var_1_18 = 64; [L31] signed char var_1_19 = 16; [L32] signed char var_1_20 = 32; [L33] signed char var_1_21 = 0; [L34] unsigned char var_1_22 = 50; [L35] unsigned short int var_1_23 = 32; [L36] unsigned char var_1_24 = 0; [L37] unsigned char var_1_29 = 1; [L38] unsigned char var_1_30 = 0; [L39] unsigned char var_1_31 = 0; [L40] unsigned char var_1_32 = 16; [L41] float var_1_33 = 10.5; [L42] float var_1_34 = 9.75; [L43] float var_1_35 = 3.6; [L44] unsigned char var_1_36 = 0; [L45] unsigned char var_1_37 = 10; [L46] unsigned char var_1_39 = 128; [L47] unsigned char var_1_40 = 0; [L48] unsigned short int last_1_var_1_15 = 64; [L49] unsigned char last_1_var_1_22 = 50; [L50] unsigned short int last_1_var_1_23 = 32; [L51] unsigned char last_1_var_1_24 = 0; [L52] unsigned char last_1_var_1_32 = 16; [L53] float last_1_var_1_35 = 3.6; [L54] unsigned char last_1_var_1_36 = 0; [L55] unsigned char last_1_var_1_40 = 0; [L190] isInitial = 1 [L191] FCALL initially() [L192] COND TRUE 1 [L193] CALL updateLastVariables() [L176] last_1_var_1_15 = var_1_15 [L177] last_1_var_1_22 = var_1_22 [L178] last_1_var_1_23 = var_1_23 [L179] last_1_var_1_24 = var_1_24 [L180] last_1_var_1_32 = var_1_32 [L181] last_1_var_1_35 = var_1_35 [L182] last_1_var_1_36 = var_1_36 [L183] last_1_var_1_40 = var_1_40 [L193] RET updateLastVariables() [L194] CALL updateVariables() [L136] var_1_8 = __VERIFIER_nondet_ulong() [L137] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L138] CALL assume_abort_if_not(var_1_8 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_8 <= 4294967294) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_12=156/5, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L139] var_1_12 = __VERIFIER_nondet_float() [L140] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_13=0, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L141] var_1_13 = __VERIFIER_nondet_float() [L142] CALL assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_14=164/5, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L143] var_1_14 = __VERIFIER_nondet_float() [L144] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=64, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L145] var_1_18 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L147] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=16, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L148] var_1_19 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_19 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_19 >= -1) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L150] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=32, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L151] var_1_20 = __VERIFIER_nondet_char() [L152] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L153] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=0, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L154] var_1_21 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L156] CALL assume_abort_if_not(var_1_21 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_21 <= 63) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L157] var_1_29 = __VERIFIER_nondet_uchar() [L158] CALL assume_abort_if_not(var_1_29 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_29 >= 1) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L159] CALL assume_abort_if_not(var_1_29 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_29 <= 1) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L160] var_1_30 = __VERIFIER_nondet_uchar() [L161] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L162] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L163] var_1_31 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_31 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_31 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L165] CALL assume_abort_if_not(var_1_31 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_31 <= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_34=39/4, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L166] var_1_34 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_34 >= 0.0F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=10, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L168] var_1_37 = __VERIFIER_nondet_uchar() [L169] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L170] CALL assume_abort_if_not(var_1_37 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_37 <= 127) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=128, var_1_40=0, var_1_8=4294967294] [L171] var_1_39 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_39 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_39 >= 127) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=4294967294] [L173] CALL assume_abort_if_not(var_1_39 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=4294967294] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_39 <= 254) VAL [isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_11=5/8, var_1_15=64, var_1_17=-16, var_1_18=-57, var_1_19=-1, var_1_1=256, var_1_20=7, var_1_21=15, var_1_22=50, var_1_23=32, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=21/2, var_1_35=18/5, var_1_36=0, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=4294967294] [L194] RET updateVariables() [L195] CALL step() [L59] COND TRUE ! last_1_var_1_40 [L60] COND FALSE !(\read(last_1_var_1_40)) [L63] var_1_24 = (var_1_30 || var_1_31) [L68] COND TRUE 63.25f != last_1_var_1_35 [L69] var_1_23 = ((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))) [L73] signed long int stepLocal_4 = last_1_var_1_15; [L74] EXPR last_1_var_1_32 | var_1_21 [L74] signed long int stepLocal_3 = last_1_var_1_15 + (last_1_var_1_32 | var_1_21); [L75] unsigned char stepLocal_2 = var_1_31; [L76] COND FALSE !((last_1_var_1_24 && (last_1_var_1_22 <= last_1_var_1_36)) || stepLocal_2) [L89] var_1_36 = (var_1_39 - 2) [L91] var_1_11 = ((127.25f + var_1_12) - (var_1_13 - var_1_14)) [L92] COND FALSE !(var_1_14 < var_1_13) [L97] COND FALSE !(\read(var_1_24)) [L100] COND FALSE !(\read(var_1_24)) [L103] var_1_40 = 0 [L106] EXPR last_1_var_1_36 | last_1_var_1_23 [L106] COND TRUE (last_1_var_1_36 | last_1_var_1_23) != -128 [L107] var_1_22 = ((((var_1_20) > (8)) ? (var_1_20) : (8))) [L109] unsigned char stepLocal_0 = var_1_36; [L110] COND FALSE !(last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) [L115] COND FALSE !((- var_1_8) == (var_1_23 * var_1_15)) [L118] var_1_33 = ((6.7886887876129004E18f - var_1_12) - (var_1_14 + var_1_34)) [L120] COND FALSE !(var_1_23 == var_1_22) [L123] var_1_1 = (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23)))) [L125] unsigned long int stepLocal_1 = var_1_1; [L126] COND FALSE !(var_1_23 == stepLocal_1) [L129] COND FALSE !(var_1_35 >= var_1_13) [L132] var_1_17 = (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))) [L195] RET step() [L196] CALL, EXPR property() [L186] EXPR (((((var_1_23 == var_1_22) ? (var_1_1 == ((unsigned long int) ((((var_1_36) > (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22))))) ? (var_1_36) : (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22)))))))) : (var_1_1 == ((unsigned long int) (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23))))))) && (var_1_11 == ((float) ((127.25f + var_1_12) - (var_1_13 - var_1_14))))) && ((last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) ? ((var_1_36 >= last_1_var_1_15) ? (var_1_15 == ((unsigned short int) var_1_32)) : 1) : 1)) && ((var_1_35 >= var_1_13) ? (var_1_17 == ((signed char) var_1_18)) : (var_1_17 == ((signed char) (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))))))) && (((last_1_var_1_36 | last_1_var_1_23) != -128) ? (var_1_22 == ((unsigned char) ((((var_1_20) > (8)) ? (var_1_20) : (8))))) : 1) [L186] EXPR (((((((((((var_1_23 == var_1_22) ? (var_1_1 == ((unsigned long int) ((((var_1_36) > (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22))))) ? (var_1_36) : (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22)))))))) : (var_1_1 == ((unsigned long int) (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23))))))) && (var_1_11 == ((float) ((127.25f + var_1_12) - (var_1_13 - var_1_14))))) && ((last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) ? ((var_1_36 >= last_1_var_1_15) ? (var_1_15 == ((unsigned short int) var_1_32)) : 1) : 1)) && ((var_1_35 >= var_1_13) ? (var_1_17 == ((signed char) var_1_18)) : (var_1_17 == ((signed char) (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))))))) && (((last_1_var_1_36 | last_1_var_1_23) != -128) ? (var_1_22 == ((unsigned char) ((((var_1_20) > (8)) ? (var_1_20) : (8))))) : 1)) && ((63.25f != last_1_var_1_35) ? (var_1_23 == ((unsigned short int) ((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))))) : (var_1_23 == ((unsigned short int) (((65440 - var_1_20) - last_1_var_1_22) - var_1_21))))) && ((! last_1_var_1_40) ? (last_1_var_1_40 ? (var_1_24 == ((unsigned char) ((last_1_var_1_40 || last_1_var_1_24) && (! (last_1_var_1_40 || var_1_29))))) : (var_1_24 == ((unsigned char) (var_1_30 || var_1_31)))) : (var_1_24 == ((unsigned char) var_1_29)))) && ((var_1_14 < var_1_13) ? ((31.875f <= var_1_12) ? (var_1_32 == ((unsigned char) var_1_20)) : 1) : 1)) && (((- var_1_8) == (var_1_23 * var_1_15)) ? (var_1_33 == ((float) var_1_14)) : (var_1_33 == ((float) ((6.7886887876129004E18f - var_1_12) - (var_1_14 + var_1_34)))))) && ((var_1_23 == var_1_1) ? (var_1_35 == ((float) (var_1_14 - (var_1_13 - var_1_34)))) : 1)) && (((last_1_var_1_24 && (last_1_var_1_22 <= last_1_var_1_36)) || var_1_31) ? ((last_1_var_1_15 <= last_1_var_1_15) ? (last_1_var_1_40 ? (var_1_36 == ((unsigned char) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (var_1_21)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (var_1_21))))) : (var_1_36 == ((unsigned char) (var_1_37 + ((((var_1_21) < (var_1_20)) ? (var_1_21) : (var_1_20))))))) : ((last_1_var_1_15 != (last_1_var_1_15 + (last_1_var_1_32 | var_1_21))) ? (var_1_36 == ((unsigned char) ((((var_1_21) > ((var_1_20 + var_1_37))) ? (var_1_21) : ((var_1_20 + var_1_37)))))) : 1)) : (var_1_36 == ((unsigned char) (var_1_39 - 2)))) [L186-L187] return ((((((((((((var_1_23 == var_1_22) ? (var_1_1 == ((unsigned long int) ((((var_1_36) > (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22))))) ? (var_1_36) : (((((((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) > (var_1_22)) ? (((((var_1_32) < (var_1_15)) ? (var_1_32) : (var_1_15)))) : (var_1_22)))))))) : (var_1_1 == ((unsigned long int) (var_1_8 - ((((var_1_36) > (var_1_23)) ? (var_1_36) : (var_1_23))))))) && (var_1_11 == ((float) ((127.25f + var_1_12) - (var_1_13 - var_1_14))))) && ((last_1_var_1_15 > ((((last_1_var_1_15) > (var_1_36)) ? (last_1_var_1_15) : (var_1_36)))) ? ((var_1_36 >= last_1_var_1_15) ? (var_1_15 == ((unsigned short int) var_1_32)) : 1) : 1)) && ((var_1_35 >= var_1_13) ? (var_1_17 == ((signed char) var_1_18)) : (var_1_17 == ((signed char) (var_1_19 - (64 - ((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))))))))) && (((last_1_var_1_36 | last_1_var_1_23) != -128) ? (var_1_22 == ((unsigned char) ((((var_1_20) > (8)) ? (var_1_20) : (8))))) : 1)) && ((63.25f != last_1_var_1_35) ? (var_1_23 == ((unsigned short int) ((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))))) : (var_1_23 == ((unsigned short int) (((65440 - var_1_20) - last_1_var_1_22) - var_1_21))))) && ((! last_1_var_1_40) ? (last_1_var_1_40 ? (var_1_24 == ((unsigned char) ((last_1_var_1_40 || last_1_var_1_24) && (! (last_1_var_1_40 || var_1_29))))) : (var_1_24 == ((unsigned char) (var_1_30 || var_1_31)))) : (var_1_24 == ((unsigned char) var_1_29)))) && ((var_1_14 < var_1_13) ? ((31.875f <= var_1_12) ? (var_1_32 == ((unsigned char) var_1_20)) : 1) : 1)) && (((- var_1_8) == (var_1_23 * var_1_15)) ? (var_1_33 == ((float) var_1_14)) : (var_1_33 == ((float) ((6.7886887876129004E18f - var_1_12) - (var_1_14 + var_1_34)))))) && ((var_1_23 == var_1_1) ? (var_1_35 == ((float) (var_1_14 - (var_1_13 - var_1_34)))) : 1)) && (((last_1_var_1_24 && (last_1_var_1_22 <= last_1_var_1_36)) || var_1_31) ? ((last_1_var_1_15 <= last_1_var_1_15) ? (last_1_var_1_40 ? (var_1_36 == ((unsigned char) ((((((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) < (var_1_21)) ? (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20)))) : (var_1_21))))) : (var_1_36 == ((unsigned char) (var_1_37 + ((((var_1_21) < (var_1_20)) ? (var_1_21) : (var_1_20))))))) : ((last_1_var_1_15 != (last_1_var_1_15 + (last_1_var_1_32 | var_1_21))) ? (var_1_36 == ((unsigned char) ((((var_1_21) > ((var_1_20 + var_1_37))) ? (var_1_21) : ((var_1_20 + var_1_37)))))) : 1)) : (var_1_36 == ((unsigned char) (var_1_39 - 2))))) && (var_1_24 ? (var_1_40 == ((unsigned char) ((var_1_8 == var_1_32) && (var_1_30 && (! var_1_29))))) : (var_1_24 ? (var_1_40 == ((unsigned char) (var_1_29 && var_1_30))) : (var_1_40 == ((unsigned char) 0)))) ; [L196] RET, EXPR property() [L196] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_14=0, var_1_15=64, var_1_17=-58, var_1_18=-57, var_1_19=-1, var_1_1=4294967042, var_1_20=7, var_1_21=15, var_1_22=8, var_1_23=15, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=0, var_1_35=18/5, var_1_36=252, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=4294967294] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=64, last_1_var_1_22=50, last_1_var_1_23=32, last_1_var_1_24=0, last_1_var_1_32=16, last_1_var_1_35=18/5, last_1_var_1_36=0, last_1_var_1_40=0, var_1_14=0, var_1_15=64, var_1_17=-58, var_1_18=-57, var_1_19=-1, var_1_1=4294967042, var_1_20=7, var_1_21=15, var_1_22=8, var_1_23=15, var_1_24=0, var_1_29=1, var_1_30=0, var_1_31=0, var_1_32=16, var_1_33=0, var_1_35=18/5, var_1_36=252, var_1_37=127, var_1_39=254, var_1_40=0, var_1_8=4294967294] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 1, TraceHistogramMax: 24, 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=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 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 [2023-11-24 23:21:55,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91 --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 5536eec27f0e30a34c1a96e838ac5cf11c75a521ed3ec15ff2fb1a338cbfa9d3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:21:57,680 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:21:57,819 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:21:57,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:21:57,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:21:57,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:21:57,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:21:57,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:21:57,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:21:57,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:21:57,885 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:21:57,885 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:21:57,886 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:21:57,886 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:21:57,887 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:21:57,887 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:21:57,888 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:21:57,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:21:57,889 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:21:57,889 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:21:57,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:21:57,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:21:57,891 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:21:57,892 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:21:57,892 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:21:57,892 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:21:57,893 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:21:57,893 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:21:57,894 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:21:57,894 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:21:57,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:21:57,895 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:21:57,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:21:57,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:21:57,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:57,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:21:57,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:21:57,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:21:57,897 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:21:57,897 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:21:57,898 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:21:57,898 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:21:57,898 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:21:57,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:21:57,899 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5536eec27f0e30a34c1a96e838ac5cf11c75a521ed3ec15ff2fb1a338cbfa9d3 [2023-11-24 23:21:58,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:21:58,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:21:58,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:21:58,321 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:21:58,322 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:21:58,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-24 23:22:01,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:22:01,795 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:22:01,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-24 23:22:01,811 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/data/e3b447bbf/88c9cd40c5384cd1a393d859d3e96c96/FLAG051f3637f [2023-11-24 23:22:01,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/data/e3b447bbf/88c9cd40c5384cd1a393d859d3e96c96 [2023-11-24 23:22:01,838 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:22:01,842 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:22:01,845 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:01,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:22:01,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:22:01,851 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:01" (1/1) ... [2023-11-24 23:22:01,852 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cf1562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:01, skipping insertion in model container [2023-11-24 23:22:01,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:22:01" (1/1) ... [2023-11-24 23:22:01,908 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:22:02,115 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_83475899-ac79-4508-9be2-9e46729d0417/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i[916,929] [2023-11-24 23:22:02,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:02,234 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:22:02,248 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_83475899-ac79-4508-9be2-9e46729d0417/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-30.i[916,929] [2023-11-24 23:22:02,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:22:02,313 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:22:02,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02 WrapperNode [2023-11-24 23:22:02,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:22:02,315 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:02,315 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:22:02,315 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:22:02,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,360 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,411 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-11-24 23:22:02,417 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:22:02,418 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:22:02,418 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:22:02,418 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:22:02,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,446 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,454 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:22:02,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:22:02,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:22:02,464 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:22:02,465 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (1/1) ... [2023-11-24 23:22:02,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:22:02,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:02,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:22:02,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:22:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:22:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:22:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:22:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:22:02,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:22:02,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:22:02,692 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:22:02,696 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:22:06,683 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:22:06,740 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:22:06,741 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:22:06,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:06 BoogieIcfgContainer [2023-11-24 23:22:06,742 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:22:06,745 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:22:06,745 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:22:06,749 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:22:06,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:22:01" (1/3) ... [2023-11-24 23:22:06,750 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c64d40e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:06, skipping insertion in model container [2023-11-24 23:22:06,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:22:02" (2/3) ... [2023-11-24 23:22:06,751 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c64d40e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:22:06, skipping insertion in model container [2023-11-24 23:22:06,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:22:06" (3/3) ... [2023-11-24 23:22:06,753 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-30.i [2023-11-24 23:22:06,773 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:22:06,773 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:22:06,828 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:22:06,836 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;@34da99be, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:22:06,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:22:06,841 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:22:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 23:22:06,859 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:06,860 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:06,861 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:06,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:06,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1983259173, now seen corresponding path program 1 times [2023-11-24 23:22:06,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:06,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479017954] [2023-11-24 23:22:06,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:06,884 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 [2023-11-24 23:22:06,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:06,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:06,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:07,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:22:07,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 550 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-11-24 23:22:07,508 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:07,509 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:07,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479017954] [2023-11-24 23:22:07,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479017954] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:07,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:07,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:22:07,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444588400] [2023-11-24 23:22:07,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:07,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:22:07,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:07,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:22:07,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:22:07,551 INFO L87 Difference]: Start difference. First operand has 73 states, 46 states have (on average 1.5) internal successors, (69), 47 states have internal predecessors, (69), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-24 23:22:09,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:09,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:09,694 INFO L93 Difference]: Finished difference Result 142 states and 254 transitions. [2023-11-24 23:22:09,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:22:09,720 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 154 [2023-11-24 23:22:09,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:09,728 INFO L225 Difference]: With dead ends: 142 [2023-11-24 23:22:09,728 INFO L226 Difference]: Without dead ends: 70 [2023-11-24 23:22:09,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:22:09,745 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:09,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-24 23:22:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2023-11-24 23:22:09,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2023-11-24 23:22:09,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 44 states have internal predecessors, (60), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:22:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 108 transitions. [2023-11-24 23:22:09,821 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 108 transitions. Word has length 154 [2023-11-24 23:22:09,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:09,822 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 108 transitions. [2023-11-24 23:22:09,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-24 23:22:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2023-11-24 23:22:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 23:22:09,827 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:09,829 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:09,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:10,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:10,040 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:10,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:10,041 INFO L85 PathProgramCache]: Analyzing trace with hash 213113321, now seen corresponding path program 1 times [2023-11-24 23:22:10,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:10,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026634333] [2023-11-24 23:22:10,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:10,042 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 [2023-11-24 23:22:10,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:10,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:10,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:10,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:22:10,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-24 23:22:11,264 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:22:11,264 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:11,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026634333] [2023-11-24 23:22:11,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026634333] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:22:11,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:22:11,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:22:11,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136365406] [2023-11-24 23:22:11,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:22:11,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:22:11,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:11,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:22:11,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:22:11,270 INFO L87 Difference]: Start difference. First operand 70 states and 108 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-24 23:22:13,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:15,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:17,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:19,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:21,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:23,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:25,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:25,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:25,783 INFO L93 Difference]: Finished difference Result 247 states and 378 transitions. [2023-11-24 23:22:25,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:22:25,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 154 [2023-11-24 23:22:25,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:25,814 INFO L225 Difference]: With dead ends: 247 [2023-11-24 23:22:25,814 INFO L226 Difference]: Without dead ends: 178 [2023-11-24 23:22:25,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:22:25,817 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 128 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 57 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:25,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 347 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 14.4s Time] [2023-11-24 23:22:25,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2023-11-24 23:22:25,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 130. [2023-11-24 23:22:25,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 79 states have (on average 1.2911392405063291) internal successors, (102), 79 states have internal predecessors, (102), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-24 23:22:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 198 transitions. [2023-11-24 23:22:25,855 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 198 transitions. Word has length 154 [2023-11-24 23:22:25,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:25,857 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 198 transitions. [2023-11-24 23:22:25,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-24 23:22:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 198 transitions. [2023-11-24 23:22:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-24 23:22:25,861 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:25,861 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:25,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:26,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-24 23:22:26,073 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:26,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:26,074 INFO L85 PathProgramCache]: Analyzing trace with hash -615617755, now seen corresponding path program 1 times [2023-11-24 23:22:26,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:26,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1170251281] [2023-11-24 23:22:26,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:26,075 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 [2023-11-24 23:22:26,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:26,077 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:26,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-24 23:22:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:26,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:22:26,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:27,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 534 proven. 33 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2023-11-24 23:22:27,343 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:22:27,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 99 proven. 36 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2023-11-24 23:22:27,975 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:22:27,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1170251281] [2023-11-24 23:22:27,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1170251281] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:22:27,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [304787737] [2023-11-24 23:22:27,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:27,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:22:27,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:22:27,983 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:22:28,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:22:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:29,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:22:29,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:31,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 625 proven. 69 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2023-11-24 23:22:31,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:22:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-24 23:22:31,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [304787737] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:22:31,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667038281] [2023-11-24 23:22:31,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:31,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:22:31,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:22:31,599 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:22:31,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-24 23:22:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:31,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:22:31,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:22:32,331 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 503 proven. 21 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-24 23:22:32,332 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:22:32,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 48 proven. 21 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-24 23:22:32,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667038281] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:22:32,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-24 23:22:32,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 14, 8, 8, 8] total 27 [2023-11-24 23:22:32,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341269265] [2023-11-24 23:22:32,596 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-24 23:22:32,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-24 23:22:32,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:22:32,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-24 23:22:32,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=566, Unknown=0, NotChecked=0, Total=702 [2023-11-24 23:22:32,601 INFO L87 Difference]: Start difference. First operand 130 states and 198 transitions. Second operand has 27 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 26 states have internal predecessors, (95), 6 states have call successors, (51), 6 states have call predecessors, (51), 11 states have return successors, (55), 6 states have call predecessors, (55), 6 states have call successors, (55) [2023-11-24 23:22:36,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:38,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:40,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:22:40,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:22:40,844 INFO L93 Difference]: Finished difference Result 221 states and 320 transitions. [2023-11-24 23:22:40,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-24 23:22:40,877 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 26 states have internal predecessors, (95), 6 states have call successors, (51), 6 states have call predecessors, (51), 11 states have return successors, (55), 6 states have call predecessors, (55), 6 states have call successors, (55) Word has length 155 [2023-11-24 23:22:40,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:22:40,879 INFO L225 Difference]: With dead ends: 221 [2023-11-24 23:22:40,879 INFO L226 Difference]: Without dead ends: 92 [2023-11-24 23:22:40,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 943 GetRequests, 897 SyntacticMatches, 3 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=499, Invalid=1481, Unknown=0, NotChecked=0, Total=1980 [2023-11-24 23:22:40,884 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 489 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 337 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:22:40,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 313 Invalid, 755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 416 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2023-11-24 23:22:40,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-24 23:22:40,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 86. [2023-11-24 23:22:40,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 56 states have internal predecessors, (67), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-24 23:22:40,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 115 transitions. [2023-11-24 23:22:40,902 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 115 transitions. Word has length 155 [2023-11-24 23:22:40,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:22:40,903 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 115 transitions. [2023-11-24 23:22:40,904 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.5185185185185186) internal successors, (95), 26 states have internal predecessors, (95), 6 states have call successors, (51), 6 states have call predecessors, (51), 11 states have return successors, (55), 6 states have call predecessors, (55), 6 states have call successors, (55) [2023-11-24 23:22:40,904 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2023-11-24 23:22:40,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-24 23:22:40,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:22:40,907 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:22:40,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:41,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:41,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:22:41,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-24 23:22:41,536 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:22:41,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:22:41,537 INFO L85 PathProgramCache]: Analyzing trace with hash -2018315666, now seen corresponding path program 1 times [2023-11-24 23:22:41,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:22:41,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399053201] [2023-11-24 23:22:41,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:22:41,538 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 [2023-11-24 23:22:41,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:22:41,539 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-24 23:22:41,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83475899-ac79-4508-9be2-9e46729d0417/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-24 23:22:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:22:42,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-24 23:22:42,359 INFO L285 TraceCheckSpWp]: Computing forward predicates...