./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7fe6678e6dee0757bbafd48f1956712f3f9f10de2405846c9036c2565c43ad1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:40:11,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:40:11,669 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:40:11,674 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:40:11,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:40:11,725 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:40:11,726 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:40:11,727 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:40:11,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:40:11,733 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:40:11,733 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:40:11,734 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:40:11,734 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:40:11,736 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:40:11,737 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:40:11,737 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:40:11,738 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:40:11,738 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:40:11,740 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:40:11,741 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:40:11,741 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:40:11,742 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:40:11,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:40:11,744 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:40:11,744 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:40:11,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:40:11,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:40:11,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:40:11,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:40:11,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:40:11,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:40:11,749 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:40:11,749 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:40:11,749 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:40:11,750 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:40:11,750 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:40:11,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:40:11,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:40:11,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:40:11,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:40:11,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:40:11,753 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:40:11,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:40:11,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:40:11,754 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:40:11,754 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:40:11,755 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:40:11,755 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_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7fe6678e6dee0757bbafd48f1956712f3f9f10de2405846c9036c2565c43ad1 [2023-11-23 20:40:12,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:40:12,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:40:12,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:40:12,129 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:40:12,130 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:40:12,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i [2023-11-23 20:40:15,216 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:40:15,504 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:40:15,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i [2023-11-23 20:40:15,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/data/1e20765e5/8f46d8e52b8649b2952b3cf0ab5aeb85/FLAGecc6005d2 [2023-11-23 20:40:15,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/data/1e20765e5/8f46d8e52b8649b2952b3cf0ab5aeb85 [2023-11-23 20:40:15,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:40:15,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:40:15,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:40:15,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:40:15,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:40:15,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:40:15" (1/1) ... [2023-11-23 20:40:15,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7479db2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:15, skipping insertion in model container [2023-11-23 20:40:15,562 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:40:15" (1/1) ... [2023-11-23 20:40:15,626 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:40:15,773 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_5652d129-7391-4f0a-810e-3756a474e82b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i[916,929] [2023-11-23 20:40:15,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:40:15,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:40:15,917 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_5652d129-7391-4f0a-810e-3756a474e82b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i[916,929] [2023-11-23 20:40:15,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:40:16,020 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:40:16,020 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16 WrapperNode [2023-11-23 20:40:16,021 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:40:16,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:40:16,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:40:16,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:40:16,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,046 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,103 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2023-11-23 20:40:16,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:40:16,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:40:16,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:40:16,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:40:16,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,163 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:40:16,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:40:16,195 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:40:16,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:40:16,196 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:40:16,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:40:16,257 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:40:16,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:40:16,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:40:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:40:16,306 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:40:16,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:40:16,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:40:16,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:40:16,456 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:40:16,458 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:40:16,995 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:40:17,307 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:40:17,307 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:40:17,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:17 BoogieIcfgContainer [2023-11-23 20:40:17,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:40:17,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:40:17,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:40:17,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:40:17,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:40:15" (1/3) ... [2023-11-23 20:40:17,321 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60121d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:40:17, skipping insertion in model container [2023-11-23 20:40:17,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (2/3) ... [2023-11-23 20:40:17,323 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60121d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:40:17, skipping insertion in model container [2023-11-23 20:40:17,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:17" (3/3) ... [2023-11-23 20:40:17,325 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-24.i [2023-11-23 20:40:17,347 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:40:17,348 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:40:17,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:40:17,425 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;@3061cff7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:40:17,427 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:40:17,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 20:40:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-23 20:40:17,445 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:17,446 INFO L195 NwaCegarLoop]: trace histogram [27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:40:17,447 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:40:17,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:17,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1650210239, now seen corresponding path program 1 times [2023-11-23 20:40:17,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:40:17,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461259114] [2023-11-23 20:40:17,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:17,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:40:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:40:18,319 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:40:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:40:18,838 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:40:18,840 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:40:18,842 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:40:18,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:40:18,848 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:40:18,853 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:40:19,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:40:19 BoogieIcfgContainer [2023-11-23 20:40:19,032 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:40:19,034 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:40:19,034 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:40:19,035 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:40:19,035 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:17" (3/4) ... [2023-11-23 20:40:19,042 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:40:19,043 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:40:19,044 INFO L158 Benchmark]: Toolchain (without parser) took 3495.58ms. Allocated memory is still 178.3MB. Free memory was 146.6MB in the beginning and 144.2MB in the end (delta: 2.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,045 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:40:19,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 471.05ms. Allocated memory is still 178.3MB. Free memory was 146.1MB in the beginning and 129.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.82ms. Allocated memory is still 178.3MB. Free memory was 129.5MB in the beginning and 125.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,047 INFO L158 Benchmark]: Boogie Preprocessor took 89.50ms. Allocated memory is still 178.3MB. Free memory was 125.3MB in the beginning and 122.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,052 INFO L158 Benchmark]: RCFGBuilder took 1114.55ms. Allocated memory is still 178.3MB. Free memory was 122.6MB in the beginning and 118.7MB in the end (delta: 3.9MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,054 INFO L158 Benchmark]: TraceAbstraction took 1718.71ms. Allocated memory is still 178.3MB. Free memory was 118.6MB in the beginning and 144.2MB in the end (delta: -25.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,054 INFO L158 Benchmark]: Witness Printer took 8.76ms. Allocated memory is still 178.3MB. Free memory was 144.2MB in the beginning and 144.2MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:40:19,063 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 471.05ms. Allocated memory is still 178.3MB. Free memory was 146.1MB in the beginning and 129.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.82ms. Allocated memory is still 178.3MB. Free memory was 129.5MB in the beginning and 125.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.50ms. Allocated memory is still 178.3MB. Free memory was 125.3MB in the beginning and 122.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1114.55ms. Allocated memory is still 178.3MB. Free memory was 122.6MB in the beginning and 118.7MB in the end (delta: 3.9MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1718.71ms. Allocated memory is still 178.3MB. Free memory was 118.6MB in the beginning and 144.2MB in the end (delta: -25.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 8.76ms. Allocated memory is still 178.3MB. Free memory was 144.2MB in the beginning and 144.2MB in the end (delta: 2.6kB). 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 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 71, overapproximation of someBinaryArithmeticFLOAToperation at line 69, overapproximation of someUnaryFLOAToperation at line 95. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 0.8; [L23] float var_1_5 = 10000000000.75; [L24] float var_1_6 = 50.5; [L25] float var_1_7 = 3.875; [L26] unsigned long int var_1_8 = 256; [L27] unsigned short int var_1_10 = 1; [L28] unsigned char var_1_11 = 1; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 0; [L32] unsigned char var_1_16 = 1; [L33] unsigned char var_1_17 = 0; [L34] unsigned char var_1_18 = 64; [L35] unsigned char var_1_19 = 2; [L36] unsigned long int var_1_20 = 64; [L37] signed char var_1_21 = 2; [L38] signed char var_1_22 = 8; [L39] signed char var_1_23 = 10; [L40] signed char var_1_24 = 10; [L41] signed char var_1_25 = 1; [L42] signed char var_1_26 = 10; [L43] unsigned char var_1_27 = 4; [L44] float var_1_28 = 32.5; [L45] float var_1_29 = 0.0; [L46] float var_1_30 = 127.5; [L47] float var_1_31 = 5.25; [L48] float var_1_32 = 9.4; [L49] float var_1_33 = 5.4; [L50] float var_1_34 = 0.5; [L51] unsigned char last_1_var_1_27 = 4; [L179] isInitial = 1 [L180] FCALL initially() [L181] COND TRUE 1 [L182] CALL updateLastVariables() [L172] last_1_var_1_27 = var_1_27 [L182] RET updateLastVariables() [L183] CALL updateVariables() [L126] var_1_5 = __VERIFIER_nondet_float() [L127] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=101/2, var_1_7=31/8, var_1_8=256] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_6=101/2, var_1_7=31/8, var_1_8=256] [L128] var_1_6 = __VERIFIER_nondet_float() [L129] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_7=31/8, var_1_8=256] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_7=31/8, var_1_8=256] [L130] var_1_7 = __VERIFIER_nondet_float() [L131] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L132] var_1_13 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L134] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L135] var_1_14 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L137] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L138] var_1_17 = __VERIFIER_nondet_uchar() [L139] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L140] CALL assume_abort_if_not(var_1_17 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_17 <= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=64, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L141] var_1_18 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_18 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_18 >= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L143] CALL assume_abort_if_not(var_1_18 <= 128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_18 <= 128) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=2, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L144] var_1_19 = __VERIFIER_nondet_uchar() [L145] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L146] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=8, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L147] var_1_22 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_22 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_22 >= -63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L149] CALL assume_abort_if_not(var_1_22 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_22 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=10, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L150] var_1_23 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_23 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_23 >= -63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L152] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=10, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L153] var_1_24 = __VERIFIER_nondet_char() [L154] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L155] CALL assume_abort_if_not(var_1_24 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_24 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=1, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L156] var_1_25 = __VERIFIER_nondet_char() [L157] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L158] CALL assume_abort_if_not(var_1_25 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_25 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=10, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L159] var_1_26 = __VERIFIER_nondet_char() [L160] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L161] CALL assume_abort_if_not(var_1_26 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_26 <= 63) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_29=0, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L162] var_1_29 = __VERIFIER_nondet_float() [L163] CALL assume_abort_if_not((var_1_29 >= 4611686.018427382800e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_29 >= 4611686.018427382800e+12F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854765600e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_30=255/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L164] var_1_30 = __VERIFIER_nondet_float() [L165] CALL assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_30 >= 0.0F && var_1_30 <= -1.0e-20F) || (var_1_30 <= 4611686.018427382800e+12F && var_1_30 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_32=47/5, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L166] var_1_32 = __VERIFIER_nondet_float() [L167] CALL assume_abort_if_not((var_1_32 >= -230584.3009213691390e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 2305843.009213691390e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_32 >= -230584.3009213691390e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 2305843.009213691390e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_33=27/5, var_1_34=1/2, var_1_8=256] [L168] var_1_33 = __VERIFIER_nondet_float() [L169] CALL assume_abort_if_not((var_1_33 >= -230584.3009213691390e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 2305843.009213691390e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_34=1/2, var_1_8=256] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_33 >= -230584.3009213691390e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 2305843.009213691390e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_27=4, var_1_10=1, var_1_11=1, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_1=4/5, var_1_20=64, var_1_21=2, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=4, var_1_28=65/2, var_1_31=21/4, var_1_34=1/2, var_1_8=256] [L183] RET updateVariables() [L184] CALL step() [L55] var_1_10 = last_1_var_1_27 [L56] signed long int stepLocal_2 = (var_1_18 + 64) - var_1_19; [L57] COND FALSE !(\read(var_1_13)) [L60] COND TRUE var_1_10 <= stepLocal_2 [L61] var_1_16 = var_1_14 [L66] COND TRUE \read(var_1_16) [L67] var_1_28 = ((((var_1_7) > (24.8f)) ? (var_1_7) : (24.8f))) [L71] COND TRUE ((1.5899999999999999 * var_1_5) * (var_1_28 / 9.5)) <= var_1_6 [L72] var_1_27 = var_1_19 [L74] COND TRUE \read(var_1_16) [L75] var_1_11 = (var_1_16 && var_1_13) [L79] COND TRUE (var_1_5 * var_1_28) < var_1_7 [L80] var_1_15 = ((var_1_11 && var_1_13) || (! var_1_14)) [L84] var_1_21 = ((((((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) < 0 ) ? -((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) : ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) + (((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) - var_1_26)) [L85] COND FALSE !(var_1_10 <= var_1_21) [L88] COND FALSE !(var_1_10 >= (((((var_1_18 + var_1_26)) < (25)) ? ((var_1_18 + var_1_26)) : (25)))) [L91] var_1_31 = (32.5f - (64.4f + var_1_30)) [L94] COND TRUE (- 3.75) < var_1_29 [L95] var_1_34 = (((((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))) < 0 ) ? -((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))) : ((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))))) [L99] unsigned short int stepLocal_0 = var_1_10; [L100] COND TRUE var_1_27 <= stepLocal_0 [L101] var_1_1 = (var_1_5 - var_1_6) [L105] COND TRUE var_1_10 > var_1_27 [L106] COND TRUE (var_1_19 << 1) > (var_1_10 - (var_1_27 + var_1_27)) [L107] var_1_20 = (((((((var_1_18) < (2u)) ? (var_1_18) : (2u))) < 0 ) ? -((((var_1_18) < (2u)) ? (var_1_18) : (2u))) : ((((var_1_18) < (2u)) ? (var_1_18) : (2u))))) [L114] unsigned char stepLocal_1 = var_1_27; [L115] COND FALSE !(var_1_5 >= var_1_6) [L122] var_1_8 = var_1_27 [L184] RET step() [L185] CALL, EXPR property() [L175-L176] return ((((((((((((var_1_27 <= var_1_10) ? (var_1_1 == ((float) (var_1_5 - var_1_6))) : (var_1_1 == ((float) (10.5f + var_1_7)))) && ((var_1_5 >= var_1_6) ? ((var_1_27 < var_1_20) ? (var_1_8 == ((unsigned long int) (((((var_1_20 + ((((var_1_27) > (var_1_10)) ? (var_1_27) : (var_1_10))))) > (1u)) ? ((var_1_20 + ((((var_1_27) > (var_1_10)) ? (var_1_27) : (var_1_10))))) : (1u))))) : (var_1_8 == ((unsigned long int) var_1_10))) : (var_1_8 == ((unsigned long int) var_1_27)))) && (var_1_10 == ((unsigned short int) last_1_var_1_27))) && (var_1_16 ? (var_1_11 == ((unsigned char) (var_1_16 && var_1_13))) : (var_1_11 == ((unsigned char) ((! var_1_13) && var_1_14))))) && (((var_1_5 * var_1_28) < var_1_7) ? (var_1_15 == ((unsigned char) ((var_1_11 && var_1_13) || (! var_1_14)))) : (var_1_15 == ((unsigned char) (! var_1_13))))) && (var_1_13 ? (var_1_16 == ((unsigned char) (var_1_14 && var_1_17))) : ((var_1_10 <= ((var_1_18 + 64) - var_1_19)) ? (var_1_16 == ((unsigned char) var_1_14)) : (var_1_16 == ((unsigned char) var_1_14))))) && ((var_1_10 > var_1_27) ? (((var_1_19 << 1) > (var_1_10 - (var_1_27 + var_1_27))) ? (var_1_20 == ((unsigned long int) (((((((var_1_18) < (2u)) ? (var_1_18) : (2u))) < 0 ) ? -((((var_1_18) < (2u)) ? (var_1_18) : (2u))) : ((((var_1_18) < (2u)) ? (var_1_18) : (2u))))))) : (var_1_20 == ((unsigned long int) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19)))))) : (var_1_20 == ((unsigned long int) var_1_19)))) && (var_1_21 == ((signed char) ((((((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) < 0 ) ? -((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))) : ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) + (((((var_1_24) > (var_1_25)) ? (var_1_24) : (var_1_25))) - var_1_26))))) && ((((1.5899999999999999 * var_1_5) * (var_1_28 / 9.5)) <= var_1_6) ? (var_1_27 == ((unsigned char) var_1_19)) : 1)) && (var_1_16 ? (var_1_28 == ((float) ((((var_1_7) > (24.8f)) ? (var_1_7) : (24.8f))))) : (var_1_28 == ((float) (((((((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) - (var_1_29 - var_1_30))) < (var_1_7)) ? ((((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) - (var_1_29 - var_1_30))) : (var_1_7))))))) && ((var_1_10 <= var_1_21) ? (var_1_31 == ((float) ((var_1_32 + var_1_33) + ((((var_1_7) > (var_1_30)) ? (var_1_7) : (var_1_30)))))) : ((var_1_10 >= (((((var_1_18 + var_1_26)) < (25)) ? ((var_1_18 + var_1_26)) : (25)))) ? (var_1_31 == ((float) (var_1_32 + ((((((((var_1_33) < (var_1_30)) ? (var_1_33) : (var_1_30)))) < (var_1_7)) ? (((((var_1_33) < (var_1_30)) ? (var_1_33) : (var_1_30)))) : (var_1_7)))))) : (var_1_31 == ((float) (32.5f - (64.4f + var_1_30))))))) && (((- 3.75) < var_1_29) ? (var_1_34 == ((float) (((((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))) < 0 ) ? -((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))) : ((((var_1_30 - var_1_29) < 0 ) ? -(var_1_30 - var_1_29) : (var_1_30 - var_1_29))))))) : (var_1_34 == ((float) ((((var_1_30) < (8.75f)) ? (var_1_30) : (8.75f)))))) ; [L185] RET, EXPR property() [L185] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_27=4, var_1_10=4, var_1_11=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_20=2, var_1_21=3, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=3, var_1_28=124/5, var_1_30=35/4, var_1_34=35/4, var_1_7=124/5, var_1_8=3] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_27=4, var_1_10=4, var_1_11=0, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=1, var_1_17=0, var_1_18=63, var_1_19=3, var_1_20=2, var_1_21=3, var_1_22=1, var_1_23=1, var_1_24=63, var_1_25=62, var_1_26=61, var_1_27=3, var_1_28=124/5, var_1_30=35/4, var_1_34=35/4, var_1_7=124/5, var_1_8=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 27, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:40:19,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7fe6678e6dee0757bbafd48f1956712f3f9f10de2405846c9036c2565c43ad1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:40:21,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:40:21,967 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:40:21,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:40:21,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:40:22,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:40:22,021 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:40:22,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:40:22,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:40:22,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:40:22,028 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:40:22,028 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:40:22,029 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:40:22,030 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:40:22,031 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:40:22,031 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:40:22,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:40:22,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:40:22,033 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:40:22,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:40:22,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:40:22,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:40:22,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:40:22,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:40:22,036 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:40:22,036 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:40:22,036 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:40:22,037 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:40:22,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:40:22,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:40:22,039 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:40:22,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:40:22,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:40:22,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:40:22,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:40:22,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:40:22,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:40:22,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:40:22,041 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:40:22,042 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:40:22,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:40:22,042 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:40:22,042 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:40:22,042 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:40:22,043 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_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7fe6678e6dee0757bbafd48f1956712f3f9f10de2405846c9036c2565c43ad1 [2023-11-23 20:40:22,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:40:22,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:40:22,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:40:22,497 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:40:22,498 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:40:22,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i [2023-11-23 20:40:25,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:40:25,989 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:40:25,989 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i [2023-11-23 20:40:26,006 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/data/e965a5b1b/1abd0c58c67842ea8d2f556f4ea3dd54/FLAG8f0852e8f [2023-11-23 20:40:26,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/data/e965a5b1b/1abd0c58c67842ea8d2f556f4ea3dd54 [2023-11-23 20:40:26,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:40:26,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:40:26,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:40:26,026 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:40:26,031 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:40:26,032 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,033 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d56add6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26, skipping insertion in model container [2023-11-23 20:40:26,033 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,072 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:40:26,225 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_5652d129-7391-4f0a-810e-3756a474e82b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i[916,929] [2023-11-23 20:40:26,361 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:40:26,388 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:40:26,403 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_5652d129-7391-4f0a-810e-3756a474e82b/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-24.i[916,929] [2023-11-23 20:40:26,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:40:26,524 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:40:26,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26 WrapperNode [2023-11-23 20:40:26,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:40:26,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:40:26,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:40:26,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:40:26,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,614 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-23 20:40:26,614 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:40:26,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:40:26,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:40:26,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:40:26,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:40:26,684 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:40:26,684 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:40:26,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:40:26,685 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (1/1) ... [2023-11-23 20:40:26,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:40:26,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:40:26,766 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:40:26,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:40:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:40:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:40:26,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:40:26,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:40:26,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:40:26,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:40:26,962 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:40:26,966 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:40:36,496 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:40:36,584 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:40:36,585 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:40:36,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:36 BoogieIcfgContainer [2023-11-23 20:40:36,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:40:36,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:40:36,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:40:36,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:40:36,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:40:26" (1/3) ... [2023-11-23 20:40:36,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337b10f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:40:36, skipping insertion in model container [2023-11-23 20:40:36,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:26" (2/3) ... [2023-11-23 20:40:36,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@337b10f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:40:36, skipping insertion in model container [2023-11-23 20:40:36,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:36" (3/3) ... [2023-11-23 20:40:36,598 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-24.i [2023-11-23 20:40:36,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:40:36,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:40:36,684 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:40:36,694 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;@44ee4eef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:40:36,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:40:36,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 45 states have internal predecessors, (63), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 20:40:36,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-23 20:40:36,726 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:36,727 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:40:36,727 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:40:36,735 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:36,735 INFO L85 PathProgramCache]: Analyzing trace with hash -271627732, now seen corresponding path program 1 times [2023-11-23 20:40:36,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:40:36,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [214420321] [2023-11-23 20:40:36,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:36,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:40:36,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:40:36,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:40:36,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:40:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:37,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:40:37,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:40:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 664 proven. 0 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2023-11-23 20:40:37,986 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:40:37,987 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:40:37,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [214420321] [2023-11-23 20:40:37,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [214420321] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:40:37,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:40:37,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:40:37,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815022472] [2023-11-23 20:40:37,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:40:37,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:40:37,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:40:38,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:40:38,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:40:38,025 INFO L87 Difference]: Start difference. First operand has 74 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 45 states have internal predecessors, (63), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 20:40:40,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:40:40,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:40:40,472 INFO L93 Difference]: Finished difference Result 145 states and 259 transitions. [2023-11-23 20:40:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:40:40,626 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 170 [2023-11-23 20:40:40,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:40:40,634 INFO L225 Difference]: With dead ends: 145 [2023-11-23 20:40:40,634 INFO L226 Difference]: Without dead ends: 72 [2023-11-23 20:40:40,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:40:40,644 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:40:40,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 20:40:40,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-23 20:40:40,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-23 20:40:40,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 43 states have internal predecessors, (58), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 20:40:40,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 112 transitions. [2023-11-23 20:40:40,707 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 112 transitions. Word has length 170 [2023-11-23 20:40:40,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:40:40,708 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 112 transitions. [2023-11-23 20:40:40,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-23 20:40:40,709 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-11-23 20:40:40,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-23 20:40:40,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:40,715 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:40:40,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:40:40,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:40:40,940 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:40:40,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:40,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1961327966, now seen corresponding path program 1 times [2023-11-23 20:40:40,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:40:40,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680058142] [2023-11-23 20:40:40,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:40,943 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:40:40,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:40:40,945 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:40:40,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:40:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:42,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:40:42,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:40:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 386 proven. 66 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2023-11-23 20:40:45,631 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:40:47,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 12 proven. 66 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-23 20:40:47,341 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:40:47,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680058142] [2023-11-23 20:40:47,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [680058142] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:40:47,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1355680147] [2023-11-23 20:40:47,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:47,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:40:47,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:40:47,348 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:40:47,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:40:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:50,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:40:50,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:40:53,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 386 proven. 66 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2023-11-23 20:40:53,435 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:40:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 12 proven. 66 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-23 20:40:54,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1355680147] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:40:54,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768426311] [2023-11-23 20:40:54,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:54,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:40:54,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:40:54,892 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:40:54,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 20:40:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:55,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:40:55,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:40:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 386 proven. 66 refuted. 0 times theorem prover too weak. 952 trivial. 0 not checked. [2023-11-23 20:40:58,803 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:41:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 12 proven. 66 refuted. 0 times theorem prover too weak. 1326 trivial. 0 not checked. [2023-11-23 20:41:00,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768426311] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:41:00,125 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-23 20:41:00,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-23 20:41:00,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231371950] [2023-11-23 20:41:00,127 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-23 20:41:00,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-23 20:41:00,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:41:00,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 20:41:00,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-23 20:41:00,134 INFO L87 Difference]: Start difference. First operand 72 states and 112 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-11-23 20:41:05,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:41:07,526 WARN L539 Checker$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 [] [2023-11-23 20:41:09,532 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 [] [2023-11-23 20:41:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:41:09,537 INFO L93 Difference]: Finished difference Result 151 states and 230 transitions. [2023-11-23 20:41:09,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-23 20:41:09,679 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 170 [2023-11-23 20:41:09,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:41:09,683 INFO L225 Difference]: With dead ends: 151 [2023-11-23 20:41:09,683 INFO L226 Difference]: Without dead ends: 80 [2023-11-23 20:41:09,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1018 GetRequests, 1006 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-23 20:41:09,687 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 85 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:41:09,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 166 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 162 Invalid, 3 Unknown, 0 Unchecked, 9.0s Time] [2023-11-23 20:41:09,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-23 20:41:09,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2023-11-23 20:41:09,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 46 states have internal predecessors, (60), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-23 20:41:09,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 114 transitions. [2023-11-23 20:41:09,735 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 114 transitions. Word has length 170 [2023-11-23 20:41:09,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:41:09,738 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 114 transitions. [2023-11-23 20:41:09,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 2 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2023-11-23 20:41:09,740 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2023-11-23 20:41:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-23 20:41:09,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:41:09,748 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:41:09,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:41:10,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:41:10,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:41:10,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:41:10,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:41:10,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:41:10,365 INFO L85 PathProgramCache]: Analyzing trace with hash -194517724, now seen corresponding path program 1 times [2023-11-23 20:41:10,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:41:10,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [922139038] [2023-11-23 20:41:10,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:41:10,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:41:10,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:41:10,368 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:41:10,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5652d129-7391-4f0a-810e-3756a474e82b/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 20:41:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:41:11,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:41:11,435 INFO L285 TraceCheckSpWp]: Computing forward predicates...