./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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 bde00ccefb5e248146fbd290384e24728232a31c5328963c8a8bd2a78e3d4a6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:49:31,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:49:31,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:49:31,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:49:31,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:49:31,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:49:31,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:49:31,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:49:31,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:49:31,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:49:31,260 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:49:31,261 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:49:31,261 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:49:31,262 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:49:31,263 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:49:31,263 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:49:31,264 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:49:31,264 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:49:31,265 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:49:31,266 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:49:31,266 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:49:31,267 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:49:31,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:49:31,269 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:49:31,269 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:49:31,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:49:31,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:49:31,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:49:31,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:49:31,273 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:49:31,273 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:49:31,274 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:49:31,274 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:49:31,275 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:49:31,275 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:49:31,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:49:31,276 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:49:31,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:49:31,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:49:31,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:49:31,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:49:31,279 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:49:31,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:49:31,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:49:31,279 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:49:31,280 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:49:31,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:49:31,280 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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde00ccefb5e248146fbd290384e24728232a31c5328963c8a8bd2a78e3d4a6e [2023-11-24 23:49:31,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:49:31,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:49:31,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:49:31,573 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:49:31,574 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:49:31,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-24 23:49:34,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:49:35,012 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:49:35,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-24 23:49:35,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/data/4881a7907/af18ce799431478aac5a057e67380c94/FLAG7c5bfa759 [2023-11-24 23:49:35,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/data/4881a7907/af18ce799431478aac5a057e67380c94 [2023-11-24 23:49:35,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:49:35,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:49:35,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:35,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:49:35,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:49:35,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@631de731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35, skipping insertion in model container [2023-11-24 23:49:35,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,121 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:49:35,275 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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i[916,929] [2023-11-24 23:49:35,387 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:49:35,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:49:35,414 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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i[916,929] [2023-11-24 23:49:35,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:49:35,484 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:49:35,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35 WrapperNode [2023-11-24 23:49:35,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:35,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:49:35,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:49:35,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:49:35,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,592 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 202 [2023-11-24 23:49:35,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:49:35,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:49:35,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:49:35,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:49:35,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,608 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,608 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:49:35,641 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:49:35,641 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:49:35,641 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:49:35,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (1/1) ... [2023-11-24 23:49:35,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:49:35,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:35,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:49:35,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:49:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:49:35,749 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:49:35,749 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:49:35,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:49:35,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:49:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:49:35,881 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:49:35,884 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:49:36,469 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:49:36,828 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:49:36,829 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:49:36,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:36 BoogieIcfgContainer [2023-11-24 23:49:36,831 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:49:36,834 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:49:36,843 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:49:36,847 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:49:36,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:49:35" (1/3) ... [2023-11-24 23:49:36,848 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c898483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:36, skipping insertion in model container [2023-11-24 23:49:36,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:35" (2/3) ... [2023-11-24 23:49:36,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c898483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:49:36, skipping insertion in model container [2023-11-24 23:49:36,849 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:36" (3/3) ... [2023-11-24 23:49:36,851 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-24 23:49:36,871 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:49:36,872 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:49:36,923 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:49:36,930 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;@34f5c751, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:49:36,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:49:36,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:49:36,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-24 23:49:36,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:49:36,950 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:49:36,950 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:49:36,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:49:36,956 INFO L85 PathProgramCache]: Analyzing trace with hash -26439512, now seen corresponding path program 1 times [2023-11-24 23:49:36,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:49:36,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757367576] [2023-11-24 23:49:36,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:49:36,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:49:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:49:38,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:49:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:49:38,644 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:49:38,646 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:49:38,647 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:49:38,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:49:38,654 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:49:38,660 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:49:38,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:49:38 BoogieIcfgContainer [2023-11-24 23:49:38,814 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:49:38,816 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:49:38,817 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:49:38,817 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:49:38,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:49:36" (3/4) ... [2023-11-24 23:49:38,821 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:49:38,822 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:49:38,824 INFO L158 Benchmark]: Toolchain (without parser) took 3768.89ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 100.7MB in the beginning and 145.9MB in the end (delta: -45.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-24 23:49:38,825 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:49:38,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.90ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 84.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:49:38,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.76ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 79.7MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:49:38,829 INFO L158 Benchmark]: Boogie Preprocessor took 46.60ms. Allocated memory is still 146.8MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:49:38,833 INFO L158 Benchmark]: RCFGBuilder took 1190.34ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 77.6MB in the beginning and 127.6MB in the end (delta: -50.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-24 23:49:38,835 INFO L158 Benchmark]: TraceAbstraction took 1980.41ms. Allocated memory is still 199.2MB. Free memory was 127.6MB in the beginning and 147.0MB in the end (delta: -19.3MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2023-11-24 23:49:38,835 INFO L158 Benchmark]: Witness Printer took 6.03ms. Allocated memory is still 199.2MB. Free memory was 147.0MB in the beginning and 145.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:49:38,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.90ms. Allocated memory is still 146.8MB. Free memory was 100.7MB in the beginning and 84.5MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.76ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 79.7MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.60ms. Allocated memory is still 146.8MB. Free memory was 79.7MB in the beginning and 77.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1190.34ms. Allocated memory was 146.8MB in the beginning and 199.2MB in the end (delta: 52.4MB). Free memory was 77.6MB in the beginning and 127.6MB in the end (delta: -50.0MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1980.41ms. Allocated memory is still 199.2MB. Free memory was 127.6MB in the beginning and 147.0MB in the end (delta: -19.3MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. * Witness Printer took 6.03ms. Allocated memory is still 199.2MB. Free memory was 147.0MB in the beginning and 145.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 194, overapproximation of someUnaryDOUBLEoperation at line 91, overapproximation of someBinaryArithmeticDOUBLEoperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryArithmeticFLOAToperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 1000000; [L23] double var_1_6 = 49.7; [L24] double var_1_7 = 16.5; [L25] unsigned char var_1_8 = 128; [L26] unsigned char var_1_10 = 2; [L27] unsigned char var_1_11 = 64; [L28] unsigned char var_1_12 = 2; [L29] unsigned char var_1_13 = 128; [L30] signed char var_1_14 = 64; [L31] signed char var_1_16 = 10; [L32] signed long int var_1_17 = -128; [L33] signed char var_1_18 = 16; [L34] unsigned long int var_1_20 = 16; [L35] float var_1_21 = 31.5; [L36] double var_1_22 = 5.4; [L37] float var_1_24 = 32.22; [L38] double var_1_25 = 5.9; [L39] double var_1_26 = 0.0; [L40] double var_1_27 = 0.15; [L41] double var_1_28 = 2.5; [L42] double var_1_29 = 255.5; [L43] unsigned long int var_1_30 = 5; [L44] unsigned char var_1_31 = 128; [L45] double var_1_32 = 128.875; [L46] unsigned char var_1_33 = 64; [L47] unsigned char var_1_34 = 1; [L48] unsigned char var_1_35 = 1; [L49] unsigned char var_1_36 = 1; [L50] unsigned char var_1_37 = 0; [L51] signed long int var_1_38 = -50; [L52] unsigned char last_1_var_1_8 = 128; [L53] signed char last_1_var_1_18 = 16; [L54] float last_1_var_1_21 = 31.5; [L55] unsigned long int last_1_var_1_30 = 5; [L56] signed long int last_1_var_1_38 = -50; [L198] isInitial = 1 [L199] FCALL initially() [L200] COND TRUE 1 [L201] CALL updateLastVariables() [L187] last_1_var_1_8 = var_1_8 [L188] last_1_var_1_18 = var_1_18 [L189] last_1_var_1_21 = var_1_21 [L190] last_1_var_1_30 = var_1_30 [L191] last_1_var_1_38 = var_1_38 [L201] RET updateLastVariables() [L202] CALL updateVariables() [L140] var_1_7 = __VERIFIER_nondet_double() [L141] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=2, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=2, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L142] var_1_10 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L144] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=64, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L145] var_1_11 = __VERIFIER_nondet_uchar() [L146] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L147] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=2, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L148] var_1_12 = __VERIFIER_nondet_uchar() [L149] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L150] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=128, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L151] var_1_13 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L153] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=10, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L154] var_1_16 = __VERIFIER_nondet_char() [L155] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L156] CALL assume_abort_if_not(var_1_16 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_16 <= 31) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_22=27/5, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L157] var_1_22 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L159] CALL assume_abort_if_not(var_1_22 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_22 != 0.0F) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_24=1611/50, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L160] var_1_24 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_26=0, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L162] var_1_26 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_26 >= -461168.6018427382800e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427382800e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_27=3/20, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L164] var_1_27 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_27 >= -115292.1504606845700e+13F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 1152921.504606845700e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_28=5/2, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L166] var_1_28 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_28 >= -115292.1504606845700e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 1152921.504606845700e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_29=511/2, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L168] var_1_29 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_29 >= -230584.3009213691390e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 2305843.009213691390e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_32=1031/8, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L170] var_1_32 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_32 >= -922337.2036854776000e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854776000e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L172] CALL assume_abort_if_not(var_1_32 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_32 != 0.0F) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L173] var_1_33 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_33 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_33 >= 64) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L175] CALL assume_abort_if_not(var_1_33 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_33 <= 127) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L176] var_1_35 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_35 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_35 >= 1) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L178] CALL assume_abort_if_not(var_1_35 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_35 <= 1) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L179] var_1_36 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_36 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_36 >= 1) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L181] CALL assume_abort_if_not(var_1_36 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_36 <= 1) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L182] var_1_37 = __VERIFIER_nondet_uchar() [L183] CALL assume_abort_if_not(var_1_37 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_37 >= 0) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L184] CALL assume_abort_if_not(var_1_37 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_37 <= 0) VAL [isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=64, var_1_16=0, var_1_17=-128, var_1_18=16, var_1_1=1000000, var_1_20=16, var_1_21=63/2, var_1_25=59/10, var_1_30=5, var_1_31=128, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=-50, var_1_6=497/10, var_1_8=128] [L202] RET updateVariables() [L203] CALL step() [L60] var_1_30 = ((((last_1_var_1_18) > ((var_1_12 + (1781986326u - var_1_16)))) ? (last_1_var_1_18) : ((var_1_12 + (1781986326u - var_1_16))))) [L61] unsigned long int stepLocal_1 = (((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)); [L62] COND TRUE var_1_12 <= stepLocal_1 [L63] var_1_14 = (var_1_12 + (-8 + (2 - var_1_16))) [L65] COND TRUE last_1_var_1_8 >= (last_1_var_1_30 / 32u) [L66] var_1_31 = (var_1_13 - var_1_12) [L74] var_1_38 = var_1_31 [L75] signed long int stepLocal_4 = last_1_var_1_38; [L76] signed long int stepLocal_3 = (((var_1_10) < ((var_1_12 + var_1_11))) ? (var_1_10) : ((var_1_12 + var_1_11))); [L77] COND TRUE last_1_var_1_21 <= ((((var_1_22) > (var_1_7)) ? (var_1_22) : (var_1_7))) [L78] var_1_34 = (var_1_35 && var_1_36) [L90] COND TRUE ((((var_1_14) > (256)) ? (var_1_14) : (256))) >= var_1_10 [L91] var_1_25 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) [L99] COND TRUE var_1_25 <= ((var_1_7 / var_1_22) + var_1_25) [L100] var_1_21 = (((((9.8f) < (24.8f)) ? (9.8f) : (24.8f))) - var_1_24) [L104] COND TRUE \read(var_1_34) [L105] var_1_6 = var_1_7 [L107] COND TRUE var_1_34 || var_1_34 [L108] var_1_20 = (var_1_16 + (var_1_12 + var_1_31)) [L110] unsigned char stepLocal_0 = (var_1_20 >= var_1_31) || var_1_34; [L111] COND TRUE var_1_34 || stepLocal_0 [L112] var_1_8 = 10 [L120] COND TRUE (var_1_38 >= var_1_16) || (var_1_11 < 4) [L121] var_1_17 = (var_1_13 + 256) [L125] COND TRUE \read(var_1_34) [L126] COND FALSE !(! (var_1_31 != var_1_20)) [L129] var_1_1 = var_1_8 [L134] unsigned char stepLocal_2 = var_1_17 < var_1_14; [L135] COND FALSE !(var_1_34 && stepLocal_2) [L203] RET step() [L204] CALL, EXPR property() [L194-L195] return ((((((((((((var_1_34 ? ((! (var_1_31 != var_1_20)) ? (var_1_1 == ((unsigned long int) var_1_8)) : (var_1_1 == ((unsigned long int) var_1_8))) : (var_1_1 == ((unsigned long int) var_1_8))) && (var_1_34 ? (var_1_6 == ((double) var_1_7)) : 1)) && ((var_1_34 || ((var_1_20 >= var_1_31) || var_1_34)) ? (var_1_8 == ((unsigned char) 10)) : (var_1_34 ? (var_1_8 == ((unsigned char) (var_1_10 + (var_1_11 - var_1_12)))) : (var_1_8 == ((unsigned char) (var_1_13 - var_1_10)))))) && ((var_1_12 <= ((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30)))) ? (var_1_14 == ((signed char) (var_1_12 + (-8 + (2 - var_1_16))))) : 1)) && (((var_1_38 >= var_1_16) || (var_1_11 < 4)) ? (var_1_17 == ((signed long int) (var_1_13 + 256))) : (var_1_17 == ((signed long int) var_1_20)))) && ((var_1_34 && (var_1_17 < var_1_14)) ? (var_1_18 == ((signed char) (var_1_12 - var_1_16))) : 1)) && ((var_1_34 || var_1_34) ? (var_1_20 == ((unsigned long int) (var_1_16 + (var_1_12 + var_1_31)))) : 1)) && ((var_1_25 <= ((var_1_7 / var_1_22) + var_1_25)) ? (var_1_21 == ((float) (((((9.8f) < (24.8f)) ? (9.8f) : (24.8f))) - var_1_24))) : (var_1_21 == ((float) var_1_24)))) && ((((((var_1_14) > (256)) ? (var_1_14) : (256))) >= var_1_10) ? (var_1_25 == ((double) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))))) : (var_1_34 ? (var_1_25 == ((double) (var_1_24 - 255.6))) : (var_1_25 == ((double) (var_1_26 + ((var_1_27 + var_1_28) + var_1_29))))))) && (var_1_30 == ((unsigned long int) ((((last_1_var_1_18) > ((var_1_12 + (1781986326u - var_1_16)))) ? (last_1_var_1_18) : ((var_1_12 + (1781986326u - var_1_16)))))))) && ((last_1_var_1_8 >= (last_1_var_1_30 / 32u)) ? (var_1_31 == ((unsigned char) (var_1_13 - var_1_12))) : ((var_1_27 < (var_1_22 / var_1_32)) ? (var_1_31 == ((unsigned char) ((100 + var_1_33) - var_1_16))) : (var_1_31 == ((unsigned char) var_1_16))))) && ((last_1_var_1_21 <= ((((var_1_22) > (var_1_7)) ? (var_1_22) : (var_1_7)))) ? (var_1_34 == ((unsigned char) (var_1_35 && var_1_36))) : ((last_1_var_1_38 <= ((((var_1_10) < ((var_1_12 + var_1_11))) ? (var_1_10) : ((var_1_12 + var_1_11))))) ? ((var_1_10 <= last_1_var_1_38) ? (var_1_34 == ((unsigned char) 0)) : (var_1_34 == ((unsigned char) ((var_1_28 != ((((var_1_7) > (last_1_var_1_21)) ? (var_1_7) : (last_1_var_1_21)))) && (! (var_1_35 || var_1_36)))))) : (var_1_34 == ((unsigned char) var_1_37))))) && (var_1_38 == ((signed long int) var_1_31)) ; [L204] RET, EXPR property() [L204] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=57, var_1_16=0, var_1_17=510, var_1_18=16, var_1_1=10, var_1_20=254, var_1_21=1781986394, var_1_24=1781986394, var_1_25=497/10, var_1_30=1781986389, var_1_31=191, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=191, var_1_6=497/10, var_1_7=497/10, var_1_8=10] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=16, last_1_var_1_21=63/2, last_1_var_1_30=5, last_1_var_1_38=-50, last_1_var_1_8=128, var_1_10=10, var_1_11=63, var_1_12=63, var_1_13=254, var_1_14=57, var_1_16=0, var_1_17=510, var_1_18=16, var_1_1=10, var_1_20=254, var_1_21=1781986394, var_1_24=1781986394, var_1_25=497/10, var_1_30=1781986389, var_1_31=191, var_1_33=64, var_1_34=1, var_1_35=1, var_1_36=1, var_1_37=0, var_1_38=191, var_1_6=497/10, var_1_7=497/10, var_1_8=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 28, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 105 NumberOfCodeBlocks, 105 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 23:49:38,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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 bde00ccefb5e248146fbd290384e24728232a31c5328963c8a8bd2a78e3d4a6e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:49:41,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:49:41,537 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:49:41,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:49:41,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:49:41,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:49:41,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:49:41,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:49:41,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:49:41,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:49:41,575 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:49:41,575 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:49:41,576 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:49:41,576 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:49:41,577 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:49:41,578 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:49:41,579 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:49:41,580 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:49:41,580 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:49:41,581 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:49:41,581 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:49:41,582 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:49:41,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:49:41,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:49:41,584 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:49:41,584 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:49:41,585 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:49:41,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:49:41,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:49:41,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:49:41,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:49:41,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:49:41,588 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:49:41,588 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:49:41,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:49:41,589 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:49:41,589 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:49:41,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:49:41,590 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:49:41,590 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:49:41,590 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:49:41,591 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:49:41,591 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:49:41,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:49:41,592 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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde00ccefb5e248146fbd290384e24728232a31c5328963c8a8bd2a78e3d4a6e [2023-11-24 23:49:41,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:49:41,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:49:41,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:49:41,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:49:41,997 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:49:41,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-24 23:49:45,194 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:49:45,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:49:45,565 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-24 23:49:45,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/data/ed04f9ce9/444504ac3aa84df4842749eea603cf62/FLAG36dc205c3 [2023-11-24 23:49:45,604 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/data/ed04f9ce9/444504ac3aa84df4842749eea603cf62 [2023-11-24 23:49:45,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:49:45,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:49:45,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:45,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:49:45,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:49:45,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:45" (1/1) ... [2023-11-24 23:49:45,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@febd6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:45, skipping insertion in model container [2023-11-24 23:49:45,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:49:45" (1/1) ... [2023-11-24 23:49:45,674 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:49:45,826 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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i[916,929] [2023-11-24 23:49:45,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:49:45,940 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:49:45,952 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_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-18.i[916,929] [2023-11-24 23:49:46,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:49:46,024 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:49:46,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46 WrapperNode [2023-11-24 23:49:46,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:49:46,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:49:46,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:49:46,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:49:46,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,126 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 201 [2023-11-24 23:49:46,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:49:46,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:49:46,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:49:46,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:49:46,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,221 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:49:46,222 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:49:46,222 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:49:46,223 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:49:46,224 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (1/1) ... [2023-11-24 23:49:46,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:49:46,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:49:46,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:49:46,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:49:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:49:46,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:49:46,304 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:49:46,304 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:49:46,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:49:46,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:49:46,432 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:49:46,434 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:50:01,309 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:50:01,402 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:50:01,403 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:50:01,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:01 BoogieIcfgContainer [2023-11-24 23:50:01,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:50:01,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:50:01,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:50:01,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:50:01,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:49:45" (1/3) ... [2023-11-24 23:50:01,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a2e176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:01, skipping insertion in model container [2023-11-24 23:50:01,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:49:46" (2/3) ... [2023-11-24 23:50:01,413 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a2e176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:50:01, skipping insertion in model container [2023-11-24 23:50:01,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:50:01" (3/3) ... [2023-11-24 23:50:01,415 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-18.i [2023-11-24 23:50:01,435 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:50:01,435 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:50:01,496 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:50:01,503 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;@7b09534a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:50:01,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:50:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 78 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:50:01,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-24 23:50:01,526 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:01,527 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:50:01,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:01,533 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:01,534 INFO L85 PathProgramCache]: Analyzing trace with hash -1972462218, now seen corresponding path program 1 times [2023-11-24 23:50:01,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:50:01,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [300757294] [2023-11-24 23:50:01,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:01,551 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 23:50:01,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:50:01,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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 23:50:01,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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 23:50:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:03,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:50:03,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:50:03,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-11-24 23:50:03,943 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:50:03,943 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:50:03,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [300757294] [2023-11-24 23:50:03,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [300757294] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:50:03,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:50:03,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:50:03,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608924637] [2023-11-24 23:50:03,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:50:03,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:50:03,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:50:04,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:50:04,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:50:04,005 INFO L87 Difference]: Start difference. First operand has 78 states, 47 states have (on average 1.4680851063829787) internal successors, (69), 48 states have internal predecessors, (69), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-24 23:50:08,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:50:08,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:50:08,020 INFO L93 Difference]: Finished difference Result 152 states and 274 transitions. [2023-11-24 23:50:08,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:50:08,521 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 176 [2023-11-24 23:50:08,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:50:08,530 INFO L225 Difference]: With dead ends: 152 [2023-11-24 23:50:08,530 INFO L226 Difference]: Without dead ends: 75 [2023-11-24 23:50:08,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 175 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 23:50:08,538 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:50:08,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 114 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2023-11-24 23:50:08,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2023-11-24 23:50:08,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2023-11-24 23:50:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 45 states have internal predecessors, (61), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:50:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 117 transitions. [2023-11-24 23:50:08,593 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 117 transitions. Word has length 176 [2023-11-24 23:50:08,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:50:08,595 INFO L495 AbstractCegarLoop]: Abstraction has 75 states and 117 transitions. [2023-11-24 23:50:08,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-11-24 23:50:08,595 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 117 transitions. [2023-11-24 23:50:08,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-24 23:50:08,600 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:08,601 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:50:08,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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 23:50:08,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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 23:50:08,806 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:08,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:08,807 INFO L85 PathProgramCache]: Analyzing trace with hash -351875542, now seen corresponding path program 1 times [2023-11-24 23:50:08,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:50:08,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576990645] [2023-11-24 23:50:08,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:08,809 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 23:50:08,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:50:08,811 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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 23:50:08,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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 23:50:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:11,190 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:50:11,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:50:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 532 proven. 21 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2023-11-24 23:50:13,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:50:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 135 proven. 24 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-11-24 23:50:16,741 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:50:16,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576990645] [2023-11-24 23:50:16,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576990645] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:50:16,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1594209449] [2023-11-24 23:50:16,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:16,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:50:16,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:50:16,756 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:50:16,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:50:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:17,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:50:17,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:50:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-11-24 23:50:17,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:50:17,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1594209449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:50:17,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-24 23:50:17,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 9] total 14 [2023-11-24 23:50:17,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957996306] [2023-11-24 23:50:17,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:50:17,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:50:17,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:50:17,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:50:17,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-24 23:50:17,803 INFO L87 Difference]: Start difference. First operand 75 states and 117 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-24 23:50:22,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:50:24,235 WARN L539 Checker$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 23:50:26,243 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 23:50:26,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:50:26,740 INFO L93 Difference]: Finished difference Result 218 states and 340 transitions. [2023-11-24 23:50:26,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:50:26,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 176 [2023-11-24 23:50:26,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:50:26,746 INFO L225 Difference]: With dead ends: 218 [2023-11-24 23:50:26,746 INFO L226 Difference]: Without dead ends: 144 [2023-11-24 23:50:26,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 512 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-24 23:50:26,750 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 97 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-11-24 23:50:26,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 210 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 3 Unknown, 0 Unchecked, 8.9s Time] [2023-11-24 23:50:26,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-24 23:50:26,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 80. [2023-11-24 23:50:26,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 50 states have (on average 1.34) internal successors, (67), 50 states have internal predecessors, (67), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-24 23:50:26,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 123 transitions. [2023-11-24 23:50:26,772 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 123 transitions. Word has length 176 [2023-11-24 23:50:26,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:50:26,774 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 123 transitions. [2023-11-24 23:50:26,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-11-24 23:50:26,775 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 123 transitions. [2023-11-24 23:50:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-24 23:50:26,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:50:26,779 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:50:26,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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)] Ended with exit code 0 [2023-11-24 23:50:26,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:50:27,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-24 23:50:27,194 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:50:27,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:50:27,195 INFO L85 PathProgramCache]: Analyzing trace with hash -43837974, now seen corresponding path program 1 times [2023-11-24 23:50:27,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:50:27,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1795185878] [2023-11-24 23:50:27,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:27,196 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 23:50:27,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:50:27,198 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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 23:50:27,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/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)] Waiting until timeout for monitored process [2023-11-24 23:50:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:50:29,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:50:29,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:50:31,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 532 proven. 21 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2023-11-24 23:50:31,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:50:34,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 135 proven. 24 refuted. 0 times theorem prover too weak. 1353 trivial. 0 not checked. [2023-11-24 23:50:34,559 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:50:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1795185878] [2023-11-24 23:50:34,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1795185878] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:50:34,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [347127260] [2023-11-24 23:50:34,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:50:34,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:50:34,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:50:34,566 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:50:34,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d29edd01-cf77-45a4-8ce1-8d0729adfdb0/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process